/* CSS Custom Properties */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-card: rgba(26, 26, 37, 0.7);
    --accent-primary: #00d4ff;
    --accent-secondary: #7c3aed;
    --accent-gradient: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
    --accent-glow: 0 0 30px rgba(0, 212, 255, 0.3);
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-tertiary: #71717a;
    --font-primary: 'Inter', sans-serif;
    --font-mono: 'Fira Code', monospace;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    --transition-base: 250ms ease;
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.5);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover {
    color: var(--accent-secondary);
}

ul {
    list-style: none;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
}

/* Background Animation */
.bg-animation {
    position: fixed;
    inset: 0;
    z-index: -1;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent-primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 15s infinite ease-in-out;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
        opacity: 0.3;
    }

    50% {
        transform: translateY(-100px) translateX(50px);
        opacity: 0.6;
    }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 6rem 0;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 300;
    padding: 1rem 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width var(--transition-base);
}

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

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

.nav-toggle {
    display: none;
    background: transparent;
    padding: 0.5rem;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-base);
}

.hamburger {
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-greeting {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.wave {
    display: inline-block;
    animation: wave 2s ease-in-out infinite;
    transform-origin: 70% 70%;
}

@keyframes wave {

    0%,
    100% {
        transform: rotate(0);
    }

    10%,
    30% {
        transform: rotate(14deg);
    }

    20% {
        transform: rotate(-8deg);
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.hero-title .name {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    height: 40px;
}

.typing-text {
    color: var(--accent-primary);
}

.cursor {
    color: var(--accent-primary);
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin-bottom: 2rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero-visual {
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.4);
    color: var(--bg-primary);
}

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

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.1);
    transform: translateY(-3px);
}

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

/* Social Links */
.hero-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-size: 1.125rem;
    transition: all var(--transition-base);
}

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

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

.window-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.dot.red {
    background: #ff5f56;
}

.dot.yellow {
    background: #ffbd2e;
}

.dot.green {
    background: #27ca40;
}

.filename {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.code-content {
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.8;
}

.code-content .keyword {
    color: #c678dd;
}

.code-content .string {
    color: #98c379;
}

.code-content .property {
    color: #e5c07b;
}

/* Profile Image */
.profile-image-container {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
}

.profile-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid transparent;
    background: linear-gradient(var(--bg-primary), var(--bg-primary)) padding-box, var(--accent-gradient) border-box;
    box-shadow: var(--accent-glow), 0 10px 40px rgba(0, 0, 0, 0.4);
    transition: all var(--transition-base);
}

.profile-image:hover {
    transform: scale(1.05);
    box-shadow: 0 0 50px rgba(0, 212, 255, 0.5), 0 15px 50px rgba(0, 0, 0, 0.5);
}

/* Verify Badge */
.verify-badge {
    margin-left: auto;
    padding: 0.25rem 0.75rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: all var(--transition-base);
}

.cert-card:hover .verify-badge {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
}

a.cert-card {
    text-decoration: none;
    color: inherit;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-tertiary);
    font-size: 1.25rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-15px);
    }
}

/* Section Title */
.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.title-number {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    color: var(--accent-primary);
}

.section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.2), transparent);
    max-width: 300px;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

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

.about-text strong {
    color: var(--accent-primary);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.stat-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all var(--transition-base);
}

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

.stat-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: var(--radius-lg);
    font-size: 1.25rem;
    color: var(--bg-primary);
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.skill-category {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: 2rem;
    transition: all var(--transition-base);
}

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

.category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.category-header i {
    font-size: 1.25rem;
    color: var(--accent-primary);
}

.category-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.skill-item:hover {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-primary);
}

.skill-item i {
    font-size: 1.125rem;
}

.skill-item img {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary));
}

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

.timeline-marker {
    position: absolute;
    left: -3rem;
    width: 24px;
    height: 24px;
    background: var(--bg-primary);
    border: 3px solid var(--accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: var(--accent-primary);
    margin-left: 4px;
}

.timeline-content {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: 2rem;
    transition: all var(--transition-base);
}

.timeline-content:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--accent-glow);
}

.timeline-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.timeline-company {
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.timeline-date {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-bottom: 1.5rem;
}

.timeline-description {
    margin-bottom: 1.5rem;
}

.timeline-description li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.timeline-description li i {
    color: var(--accent-primary);
    margin-top: 5px;
    flex-shrink: 0;
}

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

.tag {
    padding: 0.25rem 1rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--accent-primary);
}

.education .timeline-marker {
    border-color: var(--accent-secondary);
    color: var(--accent-secondary);
}

.education-description {
    color: var(--text-secondary);
}

/* Certifications */
.cert-grid {
    display: grid;
    gap: 2rem;
}

.cert-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: 2rem;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2rem;
    align-items: center;
    transition: all var(--transition-base);
}

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

.cert-badge {
    width: 120px;
    height: 120px;
}

.cert-badge img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.cert-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.cert-issuer {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-primary);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.cert-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.cert-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.cert-skills span {
    padding: 0.25rem 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.contact-info>p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    color: inherit;
}

.contact-item:hover {
    border-color: var(--accent-primary);
    transform: translateX(5px);
}

.contact-icon {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    font-size: 1.125rem;
    color: var(--bg-primary);
    flex-shrink: 0;
}

.contact-text .label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: block;
}

.contact-text .value {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Contact Form */
.contact-form-container {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    padding: 3rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    text-align: center;
}

.footer-text {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

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

.footer-social {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--accent-gradient);
    color: var(--bg-primary);
    transform: translateY(-3px);
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

/* Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        order: 2;
    }

    .hero-visual {
        order: 1;
        max-width: 500px;
        margin: 0 auto;
    }

    .hero-description {
        margin: 0 auto 2rem;
    }

    .hero-cta,
    .hero-social {
        justify-content: center;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg-secondary);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: right var(--transition-base);
    }

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

    .nav-toggle {
        display: block;
        z-index: 400;
    }

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

    .cert-card {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .cert-badge {
        margin: 0 auto;
    }

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

@media (max-width: 480px) {
    .section {
        padding: 4rem 0;
    }

    .hero-cta {
        flex-direction: column;
    }

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

    .section-title {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .section-title::after {
        display: none;
    }
}