:root {
    --primary: #00d4ff;
    --primary-hover: #00a8cc;
    --bg: #0a0b10;
    --card-bg: rgba(255, 255, 255, 0.05);
    --border: rgba(255, 255, 255, 0.1);
    --text: #ffffff;
    --text-gray: #8b949e;
}

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

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    background: rgba(13, 17, 23, 0.95);
    position: fixed;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.logo { font-size: 24px; font-weight: bold; }
.logo span { color: var(--primary); }

.nav-links { display: flex; list-style: none; }
.nav-links li { margin-left: 25px; }
.nav-links a { color: var(--text-gray); text-decoration: none; transition: 0.3s; font-size: 0.9rem; }
.nav-links a:hover { color: var(--primary); }

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 100px 10% 50px;
    background: radial-gradient(circle at top right, #1a2a44, #0d1117);
}

.hero-container { 
    display: flex; 
    align-items: center; 
    justify-content: space-between;
    gap: 40px; 
    width: 100%; 
}

.hero-text { flex: 1; }
.hero-text h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); margin: 10px 0; }
.hero-text span { color: var(--primary); }

.hero-image img {
    width: clamp(250px, 30vw, 350px);
    height: clamp(250px, 30vw, 350px);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    border: 5px solid var(--primary);
    object-fit: cover;
    animation: morph 8s ease-in-out infinite;
}

@keyframes morph {
    0%, 100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
    50% { border-radius: 50% 50% 20% 80% / 25% 80% 20% 75%; }
}


.hero-btns { display: flex; gap: 20px; flex-wrap: wrap; }
.btn-primary, .btn-secondary {
    padding: 12px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
}
.btn-primary { background: var(--primary); color: #0a0b10; }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 5px 15px rgba(0, 212, 255, 0.3); }
.btn-secondary { border: 1px solid var(--primary); color: var(--primary); }
.btn-secondary:hover { background: rgba(0, 212, 255, 0.1); }

section { padding: 100px 10%; }
.section-title { text-align: center; margin-bottom: 60px; font-size: 2.5rem; }
.section-title::after {
    content: ''; display: block; width: 60px; height: 4px; background: var(--primary); margin: 10px auto; border-radius: 2px;
}


.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}
.project-card {
    background: var(--card-bg); padding: 20px; border-radius: 15px;
    border: 1px solid var(--border); transition: 0.4s; text-decoration: none; color: inherit;
}
.project-card:hover { transform: translateY(-10px); border-color: var(--primary); }
.project-img img { width: 100%; border-radius: 10px; margin-bottom: 15px; }



@media (max-width: 992px) {
    .menu-icon { display: block; }
    
    .nav-links {
        display: none; 
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--bg);
        padding: 30px 0;
        border-bottom: 1px solid var(--border);
        gap: 20px;
    }

    .nav-links.active { display: flex; } 
    .nav-links li { margin: 0; }

    .hero-container { 
        flex-direction: column-reverse;
        text-align: center;
        padding-top: 40px;
    }
    
    .hero-text p { margin: 0 auto 30px; }
    .hero-btns { justify-content: center; }
    
    .hero-image img { max-width: 280px; } 
}

@media (max-width: 600px) {
    section { padding: 60px 5%; }
    .hero { padding-top: 120px; }
    .edu-item { flex-direction: column; text-align: center; align-items: center; }
}
.section-title { text-align: center; margin-bottom: 50px; font-size: 2.5rem; }
.skills, .projects { padding: 100px 10%; }
.skills-wrapper, .projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}
.skill-category, .project-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: 0.4s;
    backdrop-filter: blur(10px);
}

.project-card:hover { transform: translateY(-10px); border-color: var(--primary); }
.project-img img { width: 100%; border-radius: 10px; margin-bottom: 15px; }

.hero-btns {
    margin-top: 40px; 
    display: flex;
    gap: 20px; 
}

.btn-primary {
    background-color: #58a6ff;
    color: #0d1117;
    padding: 12px 25px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
}

.btn-primary:hover {
    background-color: #1f6feb;
    transform: translateY(-3px); 
}

.btn-secondary {
    border: 1px solid #58a6ff;
    color: #58a6ff;
    padding: 12px 25px;
    border-radius: 8px;
    text-decoration: none;
    transition: 0.3s;
}

.btn-secondary:hover {
    background-color: rgba(88, 166, 255, 0.1);
}

.education-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
    max-width: 850px;
    margin: 40px auto;
}

.edu-item {
    display: flex; 
    gap: 20px;
    background: #161b22;
    padding: 25px;
    border-radius: 0 12px 12px 0;
    border-left: 5px solid #58a6ff; 
    border-top: 1px solid #30363d;
    border-right: 1px solid #30363d;
    border-bottom: 1px solid #30363d;
    transition: all 0.3s ease;
}

.edu-item:hover {
    background: #1c2128;
    transform: translateX(10px);
    border-left-width: 8px;
}

.edu-icon {
    font-size: 1.8rem;
    color: #58a6ff;
    min-width: 45px;
    display: flex;
    align-items: flex-start;
    padding-top: 5px;
}

.edu-content {
    flex: 1;
}

.edu-date {
    color: #58a6ff;
    font-size: 0.85rem;
    font-weight: bold;
    display: block;
    margin-bottom: 5px;
}

.edu-content h3 {
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.institution {
    color: #c9d1d9;
    font-weight: 500;
    margin-bottom: 10px;
}

.edu-desc {
    color: #8b949e;
    line-height: 1.6;
}

.edu-desc strong {
    color: #58a6ff;
}
.education {
    padding: 80px 10%;
    background: rgba(255, 255, 255, 0.02);
}

.edu-container {
    display: flex;
    justify-content: center;
}

.edu-card {
    background: var(--card-bg);
    border-left: 4px solid var(--primary);
    padding: 30px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    border-radius: 0 20px 20px 0;
    width: 100%;
    max-width: 800px;
    backdrop-filter: blur(10px);
    transition: 0.3s;
}
.edu-card:hover {
    background: rgba(255, 255, 255, 0.08);
}
.edu-icon i {
    font-size: 2rem;
    color: var(--primary);
}

.edu-info h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
    color: var(--text);
}
.edu-info h4 {
    color: var(--primary);
    margin-bottom: 10px;
    font-weight: 400;
}
.edu-date {
    display: inline-block;
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary);
    padding: 2px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 15px;
}
.contact-section {
    padding: 80px 10%;
    background-color: #0d1117; 
    text-align: center;
    border-top: 1px solid #30363d;
}

.contact-container h2 {
    font-size: 2.5rem;
    color: #58a6ff;
    margin-bottom: 10px;
}

.contact-subtitle {
    color: #8b949e;
    margin-bottom: 40px;
}

.contact-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.contact-card {
    background: #161b22;
    padding: 25px;
    border-radius: 12px;
    text-decoration: none;
    color: #c9d1d9;
    border: 1px solid #30363d;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.contact-card i {
    font-size: 2rem;
    color: #58a6ff;
}

.contact-card:hover {
    transform: translateY(-5px);
    border-color: #58a6ff;
    background: #1c2128;
    color: #fff;
}

.cv-download {
    margin-top: 50px;
}

.download-btn {
    display: inline-block;
    padding: 15px 30px;
    background-color: #58a6ff;
    color: #000;
    font-weight: bold;
    text-decoration: none;
    border-radius: 30px;
    transition: 0.3s;
}

.download-btn:hover {
    background-color: #1f6feb;
    color: #fff;
    box-shadow: 0 0 15px rgba(88, 166, 255, 0.4);
}

.simple-footer {
    padding: 20px;
    background: #010409;
    color: #8b949e;
    font-size: 0.9rem;
    border-top: 1px solid #30363d;
}

.certs-section {
    padding: 80px 10%;
    background-color: #0d1117;
}

.certs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.cert-category {
    background: #161b22;
    padding: 30px;
    border-radius: 15px;
    border: 1px solid #30363d;
}

.cert-category h3 {
    color: #58a6ff;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.cert-category ul {
    list-style: none;
    padding: 0;
}

.cert-category ul li {
    margin-bottom: 12px;
    position: relative;
    padding-left: 25px;
    color: #c9d1d9;
}

.cert-category ul li::before {
    content: "✔";
    position: absolute;
    left: 0;
    color: #58a6ff;
}
.main-footer {
    background-color: #0d1117;
    padding: 50px 0 20px 0;
    border-top: 1px solid #30363d;
    text-align: center;
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: #fff;
    margin-bottom: 15px;
}

.footer-logo span {
    color: #58a6ff;
}

.footer-text {
    color: #8b949e;
    font-size: 1rem;
    margin-bottom: 25px;
    line-height: 1.6;
}

.footer-socials {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
}

.footer-socials a {
    color: #c9d1d9;
    font-size: 1.5rem;
    transition: 0.3s;
}

.footer-socials a:hover {
    color: #58a6ff;
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid #21262d;
    padding-top: 20px;
    margin-top: 20px;
}

.footer-bottom p {
    color: #8b949e;
    font-size: 0.85rem;
}


@media (max-width: 992px) {
    .hero-container { flex-direction: column-reverse; text-align: center; }
    .hero-btns { justify-content: center; }
    .nav-links { display: none; } 
}
@media (max-width: 600px) {
    section { padding: 60px 5%; }
    .edu-item { flex-direction: column; text-align: center; }
    .hero-text h1 { font-size: 2.2rem; }
}
.menu-icon {
    display: none;
    font-size: 1.8rem;
    color: var(--text);
    cursor: pointer;
}
@media (max-width: 992px) {
    .menu-icon {
        display: block;
    }
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--bg);
        border-bottom: 1px solid var(--border);
        padding: 20px 0;
        text-align: center;
        gap: 15px;
        z-index: 999;
    }
    .nav-links li {
        margin-left: 0;
    }
    .nav-links.active {
        display: flex;
        animation: slideDown 0.3s ease-out;
    }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}