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

:root {
    --primary-color: #8B7EFF;
    --secondary-color: #FF6B9D;
    --bg-dark: #0F0F1E;
    --bg-secondary: #1A1A2E;
    --bg-card: #16213E;
    --text-light: #E4E6EB;
    --text-secondary: #B0B3B8;
    --text-muted: #8B8D94;
    --white: #FFFFFF;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 15px 50px rgba(139, 126, 255, 0.2);
    --border-radius: 20px;
    --gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 15, 30, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
    transition: all 0.3s ease;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

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

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

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

/* Hero Section */
.hero {
    padding: 150px 0 100px;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-secondary) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(139, 126, 255, 0.1) 0%, transparent 70%);
    animation: float 20s infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

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

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.highlight {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from { filter: drop-shadow(0 0 5px rgba(139, 126, 255, 0.5)); }
    to { filter: drop-shadow(0 0 20px rgba(139, 126, 255, 0.8)); }
}

.subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.location {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 5px 20px rgba(139, 126, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(108, 99, 255, 0.4);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(139, 126, 255, 0.4);
}

/* Animations */
.fade-in {
    animation: fadeIn 1s ease-out;
}

.fade-in-delay {
    animation: fadeIn 1s ease-out 0.3s both;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease-out 0.6s both;
}

.fade-in-delay-3 {
    animation: fadeIn 1s ease-out 0.9s both;
}

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

/* Section fade transitions */
section {
    opacity: 1;
    transition: opacity 0.5s ease-in-out;
}

section.faded {
    opacity: 0.3;
}

/* Sections */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-light);
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-top: -2rem;
    margin-bottom: 3rem;
}

/* About Section */
.about {
    background: var(--bg-secondary);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.education-highlight {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 15px;
    margin: 2rem 0;
    border: 1px solid rgba(139, 126, 255, 0.2);
}

.education-highlight h3 {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.education-highlight p {
    margin-bottom: 1rem;
    font-size: 1rem;
    color: var(--text-secondary);
}

.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.skill-tag {
    background: var(--bg-card);
    color: var(--primary-color);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid var(--primary-color);
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background: var(--gradient);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(139, 126, 255, 0.3);
}

/* Experience Section */
.experience {
    background: var(--bg-dark);
}

.experience-content {
    max-width: 900px;
    margin: 0 auto;
}

.experience-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border: 1px solid rgba(139, 126, 255, 0.2);
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.experience-card h3 {
    color: var(--text-light);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.company {
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 600;
}

.experience-date {
    color: var(--primary-color);
    font-size: 0.95rem;
    font-weight: 600;
    background: rgba(139, 126, 255, 0.1);
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid rgba(139, 126, 255, 0.3);
}

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

.experience-list li {
    color: var(--text-secondary);
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    position: relative;
    line-height: 1.6;
}

.experience-list li::before {
    content: '✨';
    position: absolute;
    left: 0;
}

/* Certifications Section */
.certifications {
    background: var(--bg-secondary);
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.cert-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--text-light);
    display: block;
    cursor: pointer;
    position: relative;
    border: 1px solid rgba(139, 126, 255, 0.2);
}

.cert-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    background: var(--bg-secondary);
    border-color: var(--primary-color);
}

.cert-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cert-card h3 {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cert-issuer {
    color: var(--primary-color);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cert-id {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    font-family: 'Courier New', monospace;
}

.cert-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.cert-badge {
    display: inline-block;
    background: var(--gradient);
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 1rem;
    transition: all 0.3s ease;
}

.cert-card:hover .cert-badge {
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(108, 99, 255, 0.3);
}

/* Projects Section */
.projects {
    background: var(--bg-dark);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.project-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid rgba(139, 126, 255, 0.2);
}

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

.project-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.project-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.project-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

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

.project-tags span {
    background: rgba(139, 126, 255, 0.1);
    color: var(--primary-color);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid rgba(139, 126, 255, 0.3);
}

/* Contact Section */
.contact {
    background: var(--bg-secondary);
}

.contact-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
    font-size: 1.1rem;
}

.detail-icon {
    font-size: 1.5rem;
}

.contact-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: stretch;
    gap: 1rem;
    max-width: 1100px;
    margin: 0 auto;
}

.contact-card {
    flex: 1 1 200px;
    max-width: 220px;
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    text-decoration: none;
    color: var(--text-light);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid rgba(139, 126, 255, 0.2);
}

.contact-card:hover {
    transform: translateY(-5px);
    background: var(--gradient);
    color: white;
    box-shadow: var(--shadow-hover);
    border-color: transparent;
}

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

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-secondary);
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid rgba(139, 126, 255, 0.2);
}

.footer-subtitle {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
        font-size: 0.85rem;
    }

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

    .subtitle {
        font-size: 1.2rem;
    }

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

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

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

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

    .experience-header {
        flex-direction: column;
    }

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

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }

    .nav-links {
        font-size: 0.9rem;
    }

    .contact-card {
        flex-basis: 100%;
        max-width: 100%;
    }
}