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

:root {
    --primary: #00d4ff;
    --secondary: #6366f1;
    --accent: #a855f7;
    --dark: #0a0a0f;
    --dark-card: #13131a;
    --dark-light: #1a1a24;
    --gray: #8b8b9a;
    --light: #e4e4e7;
    --white: #ffffff;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--dark);
    color: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Animated Background */
.mesh-gradient {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    background: var(--dark);
}

.mesh-gradient::before,
.mesh-gradient::after {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    animation: float 20s ease-in-out infinite;
}

.mesh-gradient::before {
    background: var(--primary);
    top: -200px;
    right: -200px;
}

.mesh-gradient::after {
    background: var(--accent);
    bottom: -200px;
    left: -200px;
    animation-delay: -10s;
}

@keyframes float {

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

    33% {
        transform: translate(100px, -100px) rotate(120deg);
    }

    66% {
        transform: translate(-50px, 100px) rotate(240deg);
    }
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 1000;
    padding: 20px 0;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-links a {
    color: var(--light);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s;
}

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

/* Hero Section */
header {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 50px;
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease 0.1s backwards;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.8rem;
    color: var(--gray);
    margin-bottom: 30px;
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 600px;
    animation: fadeInUp 0.8s ease 0.3s backwards;
}

.hero-cta {
    display: flex;
    gap: 20px;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.btn {
    padding: 16px 40px;
    border: none;
    border-radius: 12px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 50px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--light);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

/* 3D Card */
.hero-visual {
    perspective: 1000px;
    animation: fadeInUp 0.8s ease 0.3s backwards;
}

.card-3d {
    position: relative;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(168, 85, 247, 0.05));
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 40px;
    transform-style: preserve-3d;
    transition: all 0.4s ease;
}

.card-3d:hover {
    transform: rotateY(5deg) rotateX(5deg);
}

.tech-stack-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.tech-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s;
}

.tech-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--primary);
    transform: translateY(-5px);
}

.tech-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
    display: block;
}

.tech-name {
    font-size: 0.95rem;
    color: var(--light);
    font-weight: 500;
}

/* Metrics Section */
.metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin: 80px 0;
}

.metric-card {
    background: var(--dark-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
}

.metric-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.2);
}

.metric-value {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}

.metric-label {
    color: var(--gray);
    font-size: 1rem;
    font-weight: 500;
}

/* Section Styling */
section {
    padding: 100px 0;
}

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

.section-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 50px;
    color: var(--secondary);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.section-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* Skills Section */
.skills-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.skills-info h3 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.skills-info p {
    color: var(--gray);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 30px;
}

.skill-category {
    margin-bottom: 40px;
}

.category-title {
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 20px;
    font-weight: 600;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.skill-tag {
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    color: var(--light);
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s;
}

.skill-tag:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--primary);
    transform: translateY(-3px);
}

/* Experience Cards */
.experience-grid {
    display: grid;
    gap: 40px;
}

.exp-card {
    background: var(--dark-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    padding: 50px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s;
}

.exp-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary), var(--accent));
}

.exp-card:hover {
    transform: translateX(10px);
    border-color: var(--primary);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.15);
}

.exp-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
}

.exp-title {
    font-size: 2rem;
    margin-bottom: 8px;
    color: var(--light);
}

.exp-company {
    font-size: 1.2rem;
    color: var(--primary);
    font-weight: 600;
}

.exp-date {
    padding: 10px 20px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 50px;
    color: var(--primary);
    font-weight: 600;
    white-space: nowrap;
}

.exp-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.highlight-item {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.highlight-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 5px;
}

.highlight-label {
    font-size: 0.9rem;
    color: var(--gray);
}

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

.exp-list li {
    color: var(--gray);
    padding-left: 30px;
    margin-bottom: 15px;
    position: relative;
    font-size: 1.05rem;
    line-height: 1.7;
}

.exp-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
    font-size: 1.2rem;
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.project-card {
    background: var(--dark-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    overflow: hidden;
    transition: all 0.4s;
    cursor: pointer;
    position: relative;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(168, 85, 247, 0.1));
    opacity: 0;
    transition: opacity 0.4s;
}

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

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 30px 70px rgba(0, 212, 255, 0.2);
}

.project-image {
    height: 250px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(168, 85, 247, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    position: relative;
}

.project-content {
    padding: 40px;
    position: relative;
}

.project-title {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--light);
}

.project-description {
    color: var(--gray);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 25px;
}

.project-tag {
    padding: 6px 16px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 50px;
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
}

.project-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
}

.project-link:hover {
    gap: 12px;
}

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

.cert-card {
    background: var(--dark-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 40px;
    display: flex;
    align-items: start;
    gap: 25px;
    transition: all 0.3s;
}

.cert-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.15);
}

.cert-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
}

.cert-info h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.cert-issuer {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 5px;
}

.cert-date {
    color: var(--gray);
    font-size: 0.9rem;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: var(--dark-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    padding: 40px;
    position: relative;
}

.quote-icon {
    font-size: 4rem;
    color: var(--primary);
    opacity: 0.2;
    position: absolute;
    top: 20px;
    left: 30px;
}

.testimonial-text {
    color: var(--gray);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.author-info h4 {
    color: var(--light);
    margin-bottom: 3px;
}

.author-role {
    color: var(--gray);
    font-size: 0.9rem;
}

/* Contact Section */
.contact-container {
    max-width: 1000px;
    margin: 0 auto;
}

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

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 25px;
    padding: 25px;
    background: var(--dark-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    transition: all 0.3s;
}

.contact-item:hover {
    transform: translateX(10px);
    border-color: var(--primary);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 5px;
}

.contact-details a {
    color: var(--light);
    text-decoration: none;
    font-size: 1.05rem;
    font-weight: 500;
}

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

.cta-box {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(168, 85, 247, 0.1));
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 24px;
    padding: 50px;
}

.cta-box h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.cta-box p {
    color: var(--gray);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 30px;
}

.value-list {
    list-style: none;
    margin-bottom: 30px;
}

.value-list li {
    color: var(--light);
    padding-left: 30px;
    margin-bottom: 15px;
    position: relative;
    font-size: 1.05rem;
}

.value-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
    font-size: 1.3rem;
}

/* Footer */
footer {
    background: var(--dark-card);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 60px 0 30px;
    margin-top: 100px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-about h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-about p {
    color: var(--gray);
    line-height: 1.8;
}

.footer-links h4 {
    margin-bottom: 20px;
    color: var(--light);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--gray);
    text-decoration: none;
    transition: all 0.3s;
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    color: var(--gray);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

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

/* Progress Bar */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    z-index: 10000;
    transition: width 0.1s;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--light);
    font-size: 1.8rem;
    cursor: pointer;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .hero-title {
        font-size: 3.5rem;
    }

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

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

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

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        display: none;
    }

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

    .hero-subtitle {
        font-size: 1.3rem;
    }

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

    .section-title {
        font-size: 2.5rem;
    }

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

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

    .exp-highlights {
        grid-template-columns: 1fr;
    }

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