/* Main styles */
:root {
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --secondary-color: #6b7280;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --light-gray: #f3f4f6;
    --dark-gray: #1f2937;
    --text-dark: #111827;
    --text-light: #f9fafb;
    --transition-speed: 300ms;
}

@font-face {
    font-family: NotoColorEmojiLimited;
    unicode-range: U+1F1E6-1F1FF;
    src: url(https://raw.githack.com/googlefonts/noto-emoji/main/fonts/NotoColorEmoji.ttf);
}

/* Global Styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    transition: background-color var(--transition-speed) ease;
}

/* Flags */
.flag-icon {
    font-family: 'NotoColorEmojiLimited', -apple-system, BlinkMacSystemFont, 
    'Segoe UI', Roboto, Helvetica, Arial, sans-serif, 'Apple Color Emoji', 
    'Segoe UI Emoji', 'Segoe UI Symbol';
}

/* Section Title */
.section-title {
    position: relative;
    font-size: 2.25rem;
    font-weight: 700;
    text-align: center;
    padding-bottom: 1rem;
    margin-bottom: 2rem;
    color: var(--text-dark);
}

.dark body {
    color: var(--text-light);
}

.dark .section-title {
    color: var(--text-light);
}

.dark .btn-primary {
    background-color: var(--primary-hover);
    color: var(--text-light);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    font-size: 1rem;
    font-weight: 500;
    color: white;
    background-color: var(--primary-color);
    border-radius: 0.375rem;
    transition: background-color var(--transition-speed) ease;
}

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

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.625rem 1.25rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--primary-color);
    background-color: transparent;
    border: 1px solid var(--primary-color);
    border-radius: 0.375rem;
    transition: all var(--transition-speed) ease;
}

.btn-secondary:hover {
    color: white;
    background-color: var(--primary-color);
}

/* Navigation Links */
.nav-link {
    position: relative;
    color: var(--text-dark);
    font-weight: 500;
    transition: color var(--transition-speed) ease;
}

.dark .nav-link {
    color: var(--text-light);
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-speed) ease;
}

.nav-link:hover::after {
    width: 100%;
}

.mobile-nav-link {
    display: block;
    padding: 0.75rem 0;
    color: var(--text-dark);
    font-weight: 500;
    border-bottom: 1px solid var(--light-gray);
    transition: color var(--transition-speed) ease;
}

.dark .mobile-nav-link {
    color: var(--text-light);
    border-bottom-color: var(--dark-gray);
}

.mobile-nav-link:hover {
    color: var(--primary-color);
}

/* Form Elements */
.form-input,
.form-textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #e5e7eb;
    border-radius: 0.375rem;
    background-color: white;
    color: var(--text-dark);
    transition: border-color var(--transition-speed) ease;
}

.dark .form-input,
.dark .form-textarea {
    background-color: var(--dark-gray);
    border-color: #4b5563;
    color: var(--text-light);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25);
}

/* Card Styles */
.skill-card {
    padding: 1.5rem;
    background-color: white;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.dark .skill-card {
    background-color: #2d3748;
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.project-card {
    background-color: white;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
}

.dark .project-card {
    background-color: #2d3748;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Animations */
.animated-code-background {
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.1) 25%, rgba(59, 130, 246, 0.2) 50%, rgba(59, 130, 246, 0.1) 75%);
    background-size: 200% 100%;
    animation: move-bg 3s linear infinite;
}

@keyframes move-bg {
    0% {
        background-position: 0% 0%;
    }
    100% {
        background-position: 100% 0%;
    }
}

@keyframes fill-skill-bar {
    from {
        width: 0;
    }
    to {
        width: var(--width);
    }
}

.skill-card .animate-skill-fill, .lang-bar .animate-skill-fill {
    width: 0; 
    transition: width 1.5s ease-in-out;
}

/* Footer */
footer {
    background-color: var(--dark-gray);
    color: var(--text-light);
    padding: 2rem 0;
    text-align: center;
}

footer a {
    color: var(--primary-color);
    transition: color var(--transition-speed) ease;
}

footer a:hover {
    color: var(--primary-hover);
}

/* Responsive Design */
@media (max-width: 768px) {
    .section-title {
        font-size: 1.875rem;
    }

    .btn-primary,
    .btn-secondary {
        font-size: 0.875rem;
        padding: 0.5rem 1rem;
    }

    .skill-card,
    .project-card {
        padding: 1rem;
    }
}

.toggle-label {
    display: block;
    width: 2.5rem;
    height: 1.25rem;
    background-color: #e5e7eb;
    border-radius: 9999px;
    position: relative;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.toggle-label::after {
    content: '';
    position: absolute;
    top: 0.125rem;
    left: 0.125rem;
    width: 1rem;
    height: 1rem;
    background-color: white;
    border-radius: 50%;
    transition: transform 0.3s ease;
}

input[type="checkbox"]:checked + .toggle-label {
    background-color: #3b82f6;
}

input[type="checkbox"]:checked + .toggle-label::after {
    transform: translateX(1.25rem);
}

/* Active link styles */
.nav-link.active,
.mobile-nav-link.active {
    color: var(--primary-color); /* Highlight color */
    font-weight: bold;
    position: relative;
}

.nav-link.active::after,
.mobile-nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
    border-radius: 2px;
}