:root {
    --bg-color: #0a192f;
    --card-bg: #112240;
    --text-main: #ccd6f6;
    --text-dim: #8892b0;
    --accent: #64ffda;
    --nav-height: 70px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.5;
    overflow-x: hidden;
}


#navbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: var(--nav-height);
    background: var(--card-bg);
    display: flex;
    align-items: center;
    z-index: 1000;
}

.nav-content {
    width: 90%;
    max-width: 1200px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    color: var(--accent);
    font-weight: bold;
    font-size: 1.5rem;
}

.nav-btn {
    background: none;
    border: 1px solid transparent;
    color: var(--text-main);
    padding: 6px 12px;
    cursor: pointer;
    border-radius: 4px;
    margin-left: 8px;
}

.nav-btn:hover,
.nav-btn.active {
    border-color: var(--accent);
    color: var(--accent);
}

.container {
    margin-top: calc(var(--nav-height) + 20px);
    width: 90%;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    padding-bottom: 30px;
}

.content-section {
    display: none;
}

.content-section.active {
    display: block;
}

h1 {
    font-size: 2.5rem;
    color: var(--accent);
    text-align: center;
    margin-bottom: 10px;
}

h2 {
    font-size: 2rem;
    border-bottom: 2px solid var(--accent);
    display: inline-block;
    margin-bottom: 20px;
}


.card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 15px;
}

.hero {
    text-align: center;
    padding: 30px 0;
}

.tagline {
    font-size: 1rem;
    color: var(--text-dim);
    margin-bottom: 10px;
}

.summary {
    max-width: 700px;
    margin: 20px auto;
    color: var(--text-dim);
    font-size: 1rem;
}


.skills-grid,
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.badge {
    background: rgba(100, 255, 218, 0.1);
    color: var(--accent);
    padding: 3px 8px;
    border-radius: 10px;
    font-size: 0.8rem;
    margin-right: 4px;
}

.social-links a {
    color: var(--accent);
    text-decoration: none;
    border: 1px solid var(--accent);
    padding: 6px 12px;
    border-radius: 4px;
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    position: relative;
}

.close-btn {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--accent);
}


.project-card {
    cursor: pointer;
    transition: transform 0.2s; 
}

.project-card:hover {
    transform: scale(1.03); 
}