html {
    overflow-y: auto;
    scrollbar-gutter: stable;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Courier New', Courier, monospace;
}

body {
    background-color: #0d1117;
    color: #c9d1d9;
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: #58a6ff;
    transition: 0.3s;
}

a:hover {
    color: #1f6feb;
    text-decoration: underline;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background-color: #161b22;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    height: 70px;
    display: flex;
    align-items: center;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 900px;
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    font-weight: bold;
    color: #f5f5f5;
    font-size: 1.2rem;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
}

.nav-links a {
    color: #c9d1d9;
    font-size: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 3px;
    position: relative;
    padding: 8px 15px;
    transition: color 0.1s;
    display: inline-block;
}

.nav-links a:hover {
    color: #2ea043;
    text-shadow: 0 0 15px rgba(46, 160, 67, 0.6);
}

.nav-links a .dud {
    color: #2ea043;
    opacity: 0.7;
    filter: blur(0.5px);
    pointer-events: none;
}

.nav-links a::after {
    content: ']';
    position: absolute;
    right: -5px;
    opacity: 0;
    transition: all 0.3s;
    color: #2ea043;
    transform: translateX(-10px);
    pointer-events: none;
}

.nav-links a::before {
    content: '[';
    position: absolute;
    left: -5px;
    opacity: 0;
    transition: all 0.3s;
    color: #2ea043;
    transform: translateX(10px);
    pointer-events: none;
}

.nav-links a:hover::after, 
.nav-links a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.nav-links a.active::after,
.nav-links a.active::before {
    opacity: 0.5;
    transform: translateX(0);
    color: #8b949e;
}

.logo {
    animation: logo-flicker 4s linear infinite;
}

@keyframes logo-flicker {
    0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% { opacity: 1; text-shadow: 0 0 5px rgba(255,255,255,0.2); }
    20%, 22%, 24%, 55% { opacity: 0.7; text-shadow: none; }
}

.hero {
    min-height: calc(100vh - 170px);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.terminal-text {
    color: #8b949e;
    margin-bottom: 10px;
}

.hero h1 {
    font-size: 3rem;
    color: #fff;
    margin-bottom: 10px;
}

.highlight {
    color: #2ea043;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border: 1px solid #2ea043;
    color: #2ea043;
    border-radius: 5px;
    margin-top: 20px;
}

.btn:hover {
    background-color: #2ea043;
    color: #fff;
    text-decoration: none;
}

.section {
    padding: 60px 0;
}

h3 {
    color: #fff;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.skills {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.badge {
    background-color: #1f6feb;
    color: #fff;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.9rem;
}

.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.card {
    background-color: #161b22;
    padding: 20px;
    border-radius: 6px;
    transition: transform 0.2s;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 10px;
    height: 100%;
    text-align: left;
    word-wrap: break-word;
}

.card:hover {
    transform: translateY(-5px);
}

.card h4 {
    color: #fff;
    margin: 0;
    font-size: 1.1rem;
}

.card p {
    margin: 0;
    flex-grow: 1;
    font-size: 0.9rem;
    color: #8b949e;
}

.card a, .card .date {
    margin-top: auto;
    font-size: 0.85rem;
    font-weight: bold;
}

.social-links {
    margin-top: 20px;
    display: flex;
    gap: 20px;
    font-size: 1.2rem;
}

footer {
    text-align: center;
    padding: 20px;
    font-size: 0.8rem;
    color: #8b949e;
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.free-palestine {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: #c9d1d9;
    text-decoration: none;
    opacity: 0.8;
    transition: all 0.3s ease;
    padding: 6px 15px;
    border-radius: 20px;
    background: rgba(48, 54, 61, 0.2);
}

.free-palestine:hover {
    opacity: 1;
    border-color: #ee2a35;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(238, 42, 53, 0.1);
}

@media (max-width: 600px) {
    header {
        height: auto;
        padding: 10px 0;
    }
    nav {
        flex-direction: column;
    }
    .nav-links {
        display: flex;
        margin-top: 15px;
        gap: 15px;
    }
    .hero h1 {
        font-size: 2rem;
    }
    .experience-grid {
        grid-template-columns: 1fr; /* ছোট ফোনে কার্ডগুলো পূর্ণ চওড়া হবে */
        gap: 15px;
    }
}

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

#about h3, #about p, #about .skills {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

#about h3 { animation-delay: 0.2s; }
#about p { animation-delay: 0.4s; }
#about .skills { animation-delay: 0.6s; }

.hero p, .hero h1, .hero h2, .hero .btn {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.hero .terminal-text { animation-delay: 0.2s; }
.hero p:nth-of-type(2) { animation-delay: 0.4s; }
.hero h1 { animation-delay: 0.6s; }
.hero h2 { animation-delay: 0.8s; }
.hero .tagline { animation-delay: 1.0s; }
.hero .btn { animation-delay: 1.2s; }

#connect h3, #connect p, #connect .social-links {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

#connect h3 { animation-delay: 0.2s; }
#connect p { animation-delay: 0.4s; }
#connect .social-links { animation-delay: 0.6s; }

/* Experience Page Animations */
#experience h3, #experience .card {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

#experience h3 { animation-delay: 0.2s; }
#experience .card:nth-child(1) { animation-delay: 0.4s; }
#experience .card:nth-child(2) { animation-delay: 0.6s; }
#experience .card:nth-child(3) { animation-delay: 0.8s; }