@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

:root {
   --primary-color: #10B981;
    --secondary-color: #1F2937;
    --text-color-light: #F9FAFB;
    --text-color-dark: #cbd5e0;
    --bg-card: #2d3748;
    --font-family: 'Poppins', sans-serif;
    --glass-bg-color: rgba(255, 255, 255, 0.1);
    --glass-border-color: rgba(255, 255, 255, 0.2);
    --glass-blur: 10px;
    --glass-shadow: rgba(0, 0, 0, 0.2);
}

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

body {
    font-family: var(--font-family);
    background-color: var(--secondary-color);
    color: var(--text-color-light);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top left, #2d3748 0%, transparent 50%),
                radial-gradient(circle at bottom right, #1a202c 0%, transparent 50%);
    z-index: -1;
    opacity: 0.8;
}

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

.main-content {
    padding-top: 180px; 
}

header {
    background-color: transparent;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    padding: 20px 0;
    display: flex;
    justify-content: center;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    border-radius: 50px;
    background: var(--glass-bg-color);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border-color);
    box-shadow: 0 8px 32px var(--glass-shadow);
    max-width: fit-content;
    margin: 0 auto;
    gap: 20px;
}

.logo span img {
    height: 40px;
    width: auto;
    vertical-align: middle;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 25px;
}

.nav-links a {
    color: var(--text-color-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s, background-color 0.3s;
    padding: 8px 15px;
    border-radius: 25px;
    display: block;
}

.nav-links a:hover {
    color: var(--primary-color);
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-links a[href="skills.html"] {
    color: var(--secondary-color);
    background-color: var(--primary-color);
    font-weight: 600;
}

.download-btn {
    background-color: var(--primary-color);
    color: var(--secondary-color);
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: background-color 0.3s, transform 0.2s, box-shadow 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(6, 182, 212, 0.4);
}

.download-btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.6);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    padding-top: 100px; 
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-color-light);
}

.section-title p {
    color: var(--text-color-dark);
    font-size: 1.1rem;
}

.skills-section {
    padding: 80px 0 100px 0;
    min-height: calc(100vh - 100px); 
}

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.skill-category {
    background-color: var(--bg-card);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s, box-shadow 0.3s;
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(6, 182, 212, 0.3);
}

.category-title {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.category-title i, .category-title svg {
    font-size: 1.8rem;
    color: var(--primary-color);
}

.category-title h3 {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--primary-color);
}

.skills-list {
    list-style: none;
}

.skill-item {
    margin-bottom: 25px;
}

.skill-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.skill-name {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    font-size: 1.1rem;
    color: var(--text-color-light);
}

.skill-name i {
    font-size: 1.2rem;
    color: var(--primary-color);
}

.skill-name svg.flutter-icon {
    width: 1.2rem;
    height: 1.2rem;
    fill: var(--primary-color);
}
.skill-name svg.flutter-icon path {
    fill: var(--primary-color);
}


.skill-percentage {
    font-weight: 700;
    color: var(--primary-color);
}

.progress-bar {
    height: 10px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0; 
    background-color: var(--primary-color);
    border-radius: 5px;
    position: relative;
    animation: fillBar 2s ease-in-out forwards;
}

@keyframes fillBar {
    to {
        width: var(--progress-width);
    }
}

footer {
    background-color: #111827;
    padding: 60px 0 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    padding-bottom: 40px;
}

.footer-col h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-col p {
    color: var(--text-color-dark);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a,
.footer-links li i {
    color: var(--text-color-dark);
    text-decoration: none;
    transition: color 0.3s;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--primary-color);
    margin-left: 5px; 
}

.footer-links li i {
    margin-right: 10px;
    color: var(--primary-color);
}

.footer-col .social-links {
    display: flex;
    gap: 15px;
}

.footer-col .social-links a {
    color: var(--text-color-dark);
    border-color: var(--text-color-dark);
    font-size: 1rem;
    margin-right: 0; 
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--text-color-dark);
    border-radius: 50%;
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

.footer-col .social-links a:hover {
    background-color: var(--primary-color);
    color: #111827;
    border-color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom p {
    color: var(--text-color-dark);
    font-size: 0.85rem;
}


@media (max-width: 1024px) {
    .skills-container {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 900px) {
    header {
        padding: 15px 0;
    }
    nav {
        flex-direction: column;
        padding: 15px 20px;
        gap: 15px;
        border-radius: 20px;
        max-width: 95%;
    }
    .nav-links {
        gap: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }
    .download-btn {
        width: 100%;
        justify-content: center;
    }

    .skills-section {
        padding-top: 50px;
    }
    .section-title {
        padding-top: 50px;
        margin-bottom: 40px;
    }
    .skills-container {
        grid-template-columns: 1fr; 
        gap: 30px;
    }
    .skill-category {
        padding: 25px;
    }

    .footer-container {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 30px;
    }
}

@media (max-width: 600px) {
    .main-content {
        padding-top: 250px; 
    }
    .section-title h2 {
        font-size: 2rem;
    }
    .skills-section {
        padding-bottom: 60px;
    }
}