:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --primary-color: #38bdf8;
    --secondary-color: #818cf8;
    --text-color: #f1f5f9;
    --text-muted: #94a3b8;
    --gradient: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
    list-style: none;
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-color);
}

.logo span {
    color: var(--primary-color);
}

nav ul {
    display: flex;
    gap: 30px;
}

nav a {
    color: var(--text-color);
    font-weight: 500;
    font-size: 1rem;
    transition: 0.3s;
}

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

footer {
    background: var(--card-bg);
    padding: 30px 8%;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: auto;
}

.footer-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.footer-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

.footer-info .tech-credit {
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 5px;
}

.btn-alternative-portfolio { 
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: var(--card-bg);
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    border-radius: 5px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 10px;
    transition: background 0.3s, color 0.3s;
}

.btn-alternative-portfolio:hover {
    background: var(--primary-color);
    color: var(--bg-color);
}


section {
    padding: 100px 8%;
}

.heading {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.heading span {
    color: var(--primary-color);
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    background: var(--primary-color);
    color: var(--bg-color);
    border-radius: 5px;
    font-weight: 600;
    transition: 0.3s;
    border: 2px solid var(--primary-color);
    cursor: pointer;
}

.btn:hover {
    background: transparent;
    color: var(--primary-color);
    box-shadow: 0 0 15px var(--primary-color);
}

.projects-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr); 
    gap: 30px;
}

@media (max-width: 1200px) {
    .projects-container {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

.project-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: 0.3s;
    display: flex;
    flex-direction: column;
    width: 100%; 
}

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

.project-img {
    width: 100%;
    background: #2d3748;
    color: var(--text-muted);
    overflow: hidden; 
}

.project-img img {
    width: 100%; 
    height: auto;
    display: block;
}


.project-info {
    padding: 25px;
    flex-grow: 1; 
    display: flex;
    flex-direction: column;
}

.project-info h4 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.project-info .alert-text {
    font-size: 0.85rem;
    padding: 8px;
    border-radius: 4px;
    margin-top: 10px;
    margin-bottom: 10px;
    line-height: 1.4;
    font-weight: 500;
}

.project-info .latency {
    background-color: rgba(255, 165, 0, 0.1);
    color: #ff9800;
    border: 1px solid rgba(255, 165, 0, 0.3);
}

.project-info .responsive {
    background-color: rgba(56, 189, 248, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(56, 189, 248, 0.3);
}


.project-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.tech-tag {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
    background: rgba(56, 189, 248, 0.15);
    color: var(--primary-color);
    border: 1px solid rgba(56, 189, 248, 0.2);
}

.project-info p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 20px;
    flex-grow: 1; 
}

.project-links {
    display: flex;
    gap: 15px;
    margin-top: auto;
}

.project-links a {
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: 0.3s;
}

.project-links a:hover {
    color: var(--secondary-color);
}

.menu-icon {
    font-size: 2rem;
    color: var(--text-color);
    cursor: pointer;
    display: none;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
@media (max-width: 991px) {
    header { padding: 20px 4%; }
    section { padding: 80px 4%; }
}

@media (max-width: 768px) {
    header {
        padding: 15px 4%;
    }

    .menu-icon {
        display: block;
    }

    .navbar {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--card-bg); 
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding: 1rem 4%;
        display: none; 
        flex-direction: column;
        box-shadow: 0 10px 10px rgba(0,0,0,0.3);
    }

    .navbar.active {
        display: flex;
        animation: slideDown 0.3s ease forwards;
    }

    .navbar ul {
        display: flex;
        flex-direction: column;
        gap: 20px;
        width: 100%;
    }

    .navbar ul li {
        width: 100%;
        text-align: center;
    }

    .navbar a {
        display: block;
        font-size: 1.2rem;
        padding: 10px 0;
    }
}

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