/* Material You inspired color palette */
:root[data-theme="light"] {
    --color-background: #f8f9fa;
    --color-surface: #ffffff;
    --color-primary: #22c55e;
    --color-primary-variant: #0d662e;
    --color-secondary: #22c55e52;
    --color-on-background: #1f2937;
    --color-on-surface: #374151;
    --color-on-primary: #ffffff;
    --color-border: #e5e7eb;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

:root[data-theme="dark"] {
    --color-background: #1a1a1a;
    --color-surface: #2d2d2d;
    --color-primary: #22c55e;
    --color-primary-variant: #0d662e;
    --color-secondary: #1c2a1f;
    --color-on-background: #e5e7eb;
    --color-on-surface: #d1d5db;
    --color-on-primary: #ffffff;
    --color-border: #404040;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s ease;
}

:root {
    color-scheme: dark;
    transition: background-color 1s ease, color 1s ease;
}

:root[data-theme="light"],
:root[data-theme="dark"] {
    transition: background-color 1s ease,
                color 1s ease,
                border-color 1s ease,
                box-shadow 1s ease;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--color-background);
    color: var(--color-on-background);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    scroll-behavior: smooth;
    overflow-x: hidden;
}

.navbar,
.project-card,
.social-card,
.form-group input,
.form-group textarea,
.btn,
.filter-btn,
.theme-toggle,
.social-link,
footer {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.navbar {
    background-color: var(--color-surface);
    box-shadow: var(--shadow-sm);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}
.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav-logo {
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
}
.nav-logo img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    transition: var(--transition);
}
.nav-logo:hover img {
    transform: scale(1.1);
    box-shadow: var(--shadow-sm);
}
.nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 1rem);
    right: 0;
    background-color: var(--color-surface);
    border-radius: 0.75rem;
    padding: 0.75rem;
    box-shadow: var(--shadow-md);
    min-width: 220px;
    z-index: 1000;
    list-style-type: none;
    border: 1px solid var(--color-border);
}
.nav-links.active {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    opacity: 1;
    @starting-style {
        opacity: 0;
    }
    @ending-style {
        opacity: 1;
    }
    transition: opacity 0.5s ease;
    transition-behavior: allow-discrete;
}
.nav-buttons {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.container {
    max-width: 1200px;
    margin: 5rem auto 2rem;
    padding: 0 1rem;
}
.hero {
    text-align: center;
    padding: 4rem 0;
}
.hero-content {
    max-width: 800px;
    margin: 0 auto;
}
.title {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--color-on-background);
}
.subtitle {
    font-size: 1.25rem;
    color: var(--color-on-surface);
    margin-bottom: 2rem;
}
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
}
.btn.primary {
    background-color: var(--color-secondary);
    color: var(--color-on-surface);
}
.btn.primary:hover {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-md);
}
.btn.primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: translateX(-100%);
    transition: 0.6s;
    z-index: -1;
}
.btn.primary:hover::before {
    transform: translateX(100%);
}
.btn.secondary {
    background-color: var(--color-secondary);
    color: var(--color-on-surface);
    position: relative;
    overflow: hidden;
}
.btn.secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-md);
}
.btn.secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: translateX(-100%);
    transition: 0.6s;
    z-index: -1;
}
.btn.secondary:hover::before {
    transform: translateX(100%);
}
.about {
    padding: 4rem 0;
    text-align: center;
}
.about h2 {
    margin-bottom: 1.5rem;
    color: var(--color-on-background);
}
.projects-header,
.contact-header {
    text-align: center;
    padding: 2rem 0;
}
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 5rem;
    padding: 2rem 0;
    justify-items: center;
}
.project-card {
    /* max-width: 300px; */
    width: 80%;
    /* margin: 0 auto; */
    background-color: var(--color-surface);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    border: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 1.5rem;
}
.project-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}
.project-image {
    width: 50px;
    height: 50px;
    object-fit: cover;
    display: block;
    margin: 0 auto;
}
.project-content {
    padding: 1.5rem;
    width: 100%;
    text-align: center;
}
.project-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}
.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 0;
}
.form-group {
    margin-bottom: 1.5rem;
}
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--color-on-surface);
}
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    background-color: var(--color-surface);
    transition: var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px var(--color-secondary);
}
.social-card {
    background-color: var(--color-surface);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-sm);
}
.social-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}
.social-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-on-surface);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: var(--transition);
    position: relative;
    top: -0.5rem;
}
.social-link:hover {
    color: var(--color-primary);
    background-color: var(--color-secondary);
    border-radius: 0.5rem;
}
footer {
    background-color: var(--color-surface);
    padding: 2rem 0;
    margin-top: 4rem;
}
.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--color-on-surface);
    transition: transform 0.3s ease;
    border-radius: 0.5rem;
    position: relative;
}

/* .menu-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--color-on-surface);
    transition: transform 0.3s ease;
    border-radius: 0.5rem;
    position: relative;
} */

.theme-toggle .material-symbols-rounded {
    transition: transform 0.3s ease;
}

[data-theme="dark"] .theme-toggle .material-symbols-rounded {
    transform: rotate(360deg);
}
.theme-toggle:hover {
    color: var(--color-primary);
    background-color: var(--color-secondary);
    border-radius: 0.5rem;
}

.menu-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--color-on-surface);
    transition: transform 0.3s ease;
    border-radius: 0.5rem;
    position: relative;
}

.menu-btn .material-symbols-rounded {
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.menu-btn:hover {
    color: var(--color-primary);
    background-color: var(--color-secondary);
    border-radius: 0.5rem;
}

.menu-btn.active .material-symbols-rounded {
    transform: rotate(360deg) scale(1.2);
}

/* Animation 1: Morph & Spin */
.theme-toggle.morph-spin .material-symbols-rounded {
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-toggle.morph-spin:active .material-symbols-rounded {
    transform: rotate(360deg) scale(1.2);
}
.nav-links a {
    color: var(--color-on-surface);
    text-decoration: none;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    transition: var(--transition);
    display: inline-block;
    width: 85%;
    text-align: left;
}
.nav-links a:hover,
.nav-links a.active {
    color: var(--color-on-primary);
    background-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .menu-btn {
        display: block;
    }
    .contact-content {
        grid-template-columns: 1fr;
    }
    .title {
        font-size: 2.5rem;
    }
    .cta-buttons {
        display: flex;
        flex-direction: column;
        gap: 1rem;
    }
}
@keyframes fadeIn {
    from { 
        opacity: 0; 
        transform: translateY(20px); 
        filter: blur(5px);
    }
    to { 
        opacity: 1; 
        transform: translateY(0);
        filter: blur(0);
    }
}

@keyframes scaleIn {
    from { 
        transform: scale(0.9); 
        opacity: 0; 
    }
    to { 
        transform: scale(1); 
        opacity: 1; 
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(30px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}
.hero-content,
.about,
.projects-grid,
.contact-content {
    animation: fadeIn 0.6s ease-out;
}
.project-filters {
    text-align: center;
    margin: 2rem 0;
}
.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}
.filter-btn {
    padding: 0.75rem 1.5rem;
    background-color: var(--color-secondary);
    color: var(--color-on-surface);
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
    pointer-events: none;
    z-index: -1;
}
.filter-btn:hover,
.filter-btn.active {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-md);
}

.filter-btn:hover::before {
    transform: translateX(100%);
}