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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #000000;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    border-bottom: 1px solid #333;
    transition: all 0.3s ease;
}

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

.logo {
    font-size: 28px;
    font-weight: bold;
    color: #00AEEF;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.1);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    padding: 5px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #00AEEF;
    transition: width 0.3s ease;
}

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

.nav-links a:hover {
    color: #00AEEF;
}

.mobile-menu {
    display: none;
    font-size: 24px;
    color: #ffffff;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: linear-gradient(135deg, #000000 0%, #111111 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 60px;
    align-items: center;
    width: 100%;
}

.hero-text h1 {
    font-size: 4rem;
    margin-bottom: 10px;
    background: linear-gradient(45deg, #ffffff, #00AEEF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease;
}

.hero-text h2 {
    font-size: 1.5rem;
    color: #cccccc;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-description {
    font-size: 1.1rem;
    color: #aaaaaa;
    margin-bottom: 30px;
    max-width: 500px;
    animation: fadeInUp 1s ease 0.4s both;
}

.cta-button {
    background: linear-gradient(45deg, #00AEEF, #0088CC);
    color: #ffffff;
    border: none;
    padding: 15px 30px;
    font-size: 1.1rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    animation: fadeInUp 1s ease 0.6s both;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 174, 239, 0.4);
}

.hero-image {
    display: flex;
    justify-content: center;
    animation: fadeInRight 1s ease 0.8s both;
}

.profile-placeholder {
    width: 280px;
    height: 280px;
    background: linear-gradient(135deg, #333333, #555555);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    color: #00AEEF;
    border: 4px solid #00AEEF;
    transition: all 0.3s ease;
}

.profile-placeholder:hover {
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(0, 174, 239, 0.3);
}

/* Sections */
section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 60px;
    color: #ffffff;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: #00AEEF;
}

/* About Section */
.about {
    background: #111111;
}

.about-content {
    display: grid;
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.about-item {
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 30px;
    background: #222222;
    border-radius: 15px;
    border-left: 4px solid #00AEEF;
    transition: all 0.3s ease;
}

.about-item:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 174, 239, 0.1);
}

.about-icon {
    font-size: 2.5rem;
    color: #00AEEF;
    min-width: 60px;
}

.about-details h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: #ffffff;
}

.about-details p {
    color: #cccccc;
    margin-bottom: 5px;
}

.date {
    color: #00AEEF;
    font-weight: bold;
    font-size: 0.9rem;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.skill-item {
    background: #222222;
    padding: 30px 20px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #333333;
}

.skill-item:hover {
    transform: translateY(-10px);
    background: #333333;
    border-color: #00AEEF;
    box-shadow: 0 15px 40px rgba(0, 174, 239, 0.2);
}

.skill-item i {
    font-size: 2.5rem;
    color: #00AEEF;
    margin-bottom: 15px;
    display: block;
}

.skill-item span {
    font-size: 1.1rem;
    font-weight: 600;
    color: #ffffff;
}

/* Experience Section */
.experience {
    background: #111111;
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: #00AEEF;
}

.timeline-item {
    position: relative;
    padding-left: 80px;
    margin-bottom: 50px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 21px;
    top: 0;
    width: 20px;
    height: 20px;
    background: #00AEEF;
    border-radius: 50%;
    border: 4px solid #000000;
}

.timeline-date {
    color: #00AEEF;
    font-weight: bold;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.timeline-content {
    background: #222222;
    padding: 25px;
    border-radius: 15px;
    border-left: 4px solid #00AEEF;
    transition: all 0.3s ease;
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 174, 239, 0.1);
}

.timeline-content h3 {
    font-size: 1.4rem;
    margin-bottom: 5px;
    color: #ffffff;
}

.timeline-content h4 {
    color: #00AEEF;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.timeline-content p {
    color: #cccccc;
    line-height: 1.6;
}

/* Certifications Section */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.cert-card {
    background: #222222;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #333333;
}

.cert-card:hover {
    transform: translateY(-10px);
    background: #333333;
    border-color: #00AEEF;
    box-shadow: 0 15px 40px rgba(0, 174, 239, 0.2);
}

.cert-icon {
    font-size: 3rem;
    color: #00AEEF;
    margin-bottom: 20px;
}

.cert-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #ffffff;
}

.cert-card p {
    color: #cccccc;
    margin-bottom: 10px;
}

.cert-year {
    color: #00AEEF;
    font-weight: bold;
}

/* Contact Section */
.contact {
    background: #111111;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: #222222;
    border-radius: 15px;
    transition: all 0.3s ease;
    border-left: 4px solid #00AEEF;
}

.contact-item:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 174, 239, 0.1);
}

.contact-item i {
    font-size: 1.8rem;
    color: #00AEEF;
    min-width: 30px;
}

.contact-item h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: #ffffff;
}

.contact-item p {
    color: #cccccc;
    word-break: break-word;
}

/* Footer */
footer {
    background: #000000;
    padding: 30px 0;
    border-top: 1px solid #333333;
}

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

footer p {
    color: #aaaaaa;
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    color: #aaaaaa;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: #00AEEF;
    transform: translateY(-3px);
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.98);
        flex-direction: column;
        padding: 20px;
        gap: 20px;
    }

    .nav-links.active {
        display: flex;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

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

    .hero-text h2 {
        font-size: 1.2rem;
    }

    .profile-placeholder {
        width: 220px;
        height: 220px;
        font-size: 60px;
    }

    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 20px;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        padding-left: 60px;
    }

    .timeline-item::before {
        left: 11px;
    }

    .about-item {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    footer .container {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

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

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

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

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

/* Scroll animations */
.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

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

/* Additional hover effects */
.cta-button:active {
    transform: translateY(-1px);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #111111;
}

::-webkit-scrollbar-thumb {
    background: #00AEEF;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #0088CC;
}