/* ===== REACTBITS-INSPIRED COLOR PALETTE ===== */
:root {
    /* Core colors */
    --bg-primary: #060010;
    --bg-secondary: #0a0a1a;
    --bg-tertiary: #0f0f1f;
    --bg-card: #11111f;
    
    /* Accent colors */
    --accent-primary: #5227ff;
    --accent-secondary: #8b5fff;
    --accent-tertiary: #ff6b9d;
    --accent-success: #00ff9d;
    
    /* Text colors */
    --text-primary: #ffffff;
    --text-secondary: #a0a0c0;
    --text-tertiary: #6b6b8a;
    
    /* Social Colors */
    --github: #ffffff;
    --linkedin: #0a66c2;
    --twitter: #1da1f2;
    --instagram: #e4405f;
    
    /* Utility */
    --border-color: rgba(255, 255, 255, 0.07);
    --overlay: rgba(6, 0, 16, 0.8);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.4);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* ===== BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section {
    padding: var(--space-2xl) 0;
}

/* ===== TRANSPARENT HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: var(--overlay);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition-base);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    text-decoration: none;
    padding: var(--space-xs) var(--space-sm);
    border: 2px solid var(--accent-primary);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.logo:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

.nav {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    position: relative;
    padding: var(--space-xs) 0;
}

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

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

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

.nav-link.cta {
    background: var(--accent-primary);
    color: var(--text-primary);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
}

.nav-link.cta:hover {
    background: var(--accent-secondary);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    margin: 4px 0;
    transition: var(--transition-base);
}

/* ===== HERO SECTION - COMPLETELY FIXED LAYOUT ===== */
.hero {
    min-height: 100vh;
    padding-top: 70px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 30%, rgba(82, 39, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 70%, rgba(255, 107, 157, 0.1) 0%, transparent 50%);
    z-index: -1;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2xl);
    width: 100%;
}

.hero-content {
    flex: 0 0 60%;
    max-width: 600px;
    z-index: 1;
}

.hero-label {
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--accent-primary);
    margin-bottom: var(--space-sm);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-sm);
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-tertiary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-full);
    transition: var(--transition-base);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    gap: var(--space-xs);
}

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

.btn-primary:hover {
    background: var(--accent-secondary);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(82, 39, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--accent-primary);
    border: 2px solid var(--accent-primary);
}

.btn-secondary:hover {
    background: rgba(82, 39, 255, 0.1);
    transform: translateY(-2px);
}

.hero-visual {
    flex: 0 0 35%;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0.5;
}

.code-visual {
    width: 100%;
    max-width: 280px;
    height: 200px;
    background: rgba(82, 39, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    border: 1px solid var(--border-color);
}

.code-line {
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), transparent);
    margin-bottom: var(--space-md);
    border-radius: var(--radius-sm);
    animation: pulse 2s infinite;
}

.code-line:nth-child(1) { width: 80%; animation-delay: 0s; }
.code-line:nth-child(2) { width: 60%; animation-delay: 0.5s; }
.code-line:nth-child(3) { width: 40%; animation-delay: 1s; }

@keyframes pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* ===== SECTION HEADERS ===== */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-xl);
}

.section-label {
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--accent-primary);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== PROJECTS SECTION - 2x2 Layout ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
    margin-top: var(--space-xl);
}

.project-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition-base);
    position: relative;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-lg);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-tertiary));
    opacity: 0;
    transition: var(--transition-base);
}

.project-card:hover::before {
    opacity: 1;
}

.project-image {
    height: 220px;
    background: linear-gradient(135deg, rgba(82, 39, 255, 0.2), rgba(255, 107, 157, 0.2));
    position: relative;
    overflow: hidden;
}

.project-content {
    padding: var(--space-lg);
}

.project-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.6;
    font-size: 0.95rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.tech-tag {
    background: rgba(82, 39, 255, 0.1);
    color: var(--accent-primary);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.tech-tag:hover {
    background: var(--accent-primary);
    color: var(--text-primary);
}

.project-links {
    display: flex;
    gap: var(--space-md);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.project-link:hover {
    color: var(--accent-tertiary);
}

.project-link i {
    font-size: 1.1rem;
}

/* ===== SKILLS SECTION ===== */
.skills-visual {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.skill-category {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.skill-category:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.category-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.category-icon {
    width: 48px;
    height: 48px;
    background: rgba(82, 39, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.category-icon i {
    font-size: 1.5rem;
    color: var(--accent-primary);
}

.category-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.skills-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: var(--space-md);
}

.skill-bubble {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.skill-bubble::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(82, 39, 255, 0.2), transparent);
    transition: left 0.6s;
}

.skill-bubble:hover::before {
    left: 100%;
}

.skill-bubble:hover {
    background: var(--accent-primary);
    color: var(--text-primary);
    transform: scale(1.05);
}

/* ===== ABOUT SECTION ===== */
.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.about-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition-base);
    text-align: center;
}

.about-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.about-icon {
    width: 64px;
    height: 64px;
    background: rgba(82, 39, 255, 0.1);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
}

.about-icon i {
    font-size: 1.75rem;
    color: var(--accent-primary);
}

.about-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.about-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* ===== CONTACT SECTION ===== */
.contact-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-xl);
    margin-top: var(--space-xl);
}

.contact-form-container {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.form-header {
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-color);
}

.form-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xs);
}

.form-header h3 i {
    color: var(--accent-primary);
}

.form-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.professional-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.form-group {
    position: relative;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: var(--space-sm);
    font-size: 0.95rem;
}

.form-group label i {
    color: var(--accent-primary);
    width: 16px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: rgba(82, 39, 255, 0.05);
    box-shadow: 0 0 0 3px rgba(82, 39, 255, 0.1);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%235227ff'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-md) center;
    background-size: 16px;
    padding-right: var(--space-xl);
    cursor: pointer;
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
    line-height: 1.5;
}

/* ===== WEBGL ENHANCED SEND BUTTON ===== */
.submit-btn {
    position: relative;
    padding: var(--space-md) var(--space-xl);
    font-size: 1.1rem;
    font-weight: 600;
    width: 100%;
    gap: var(--space-sm);
    
    /* Enhanced button styles */
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: var(--text-primary);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    overflow: hidden;
    isolation: isolate;
    transition: all var(--transition-base);
    z-index: 2;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(82, 39, 255, 0.4);
}

.submit-btn:active {
    transform: translateY(0);
}

.submit-btn .btn-text {
    position: relative;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.submit-btn .btn-icon {
    transition: transform var(--transition-base);
}

.submit-btn:hover .btn-icon {
    transform: translateX(4px);
}

/* WebGL Canvas Container */
.webgl-button-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-full);
    overflow: hidden;
    z-index: 1;
}

.webgl-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* Button loading state */
.submit-btn.loading {
    pointer-events: none;
}

.submit-btn.loading .btn-text {
    opacity: 0.7;
}

.submit-btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 24px;
    height: 24px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--text-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    transform: translate(-50%, -50%);
    z-index: 4;
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.contact-info-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.info-card.professional {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition-base);
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.info-card.professional:hover {
    border-color: var(--accent-primary);
    transform: translateX(8px);
    box-shadow: var(--shadow);
}

.info-card .info-icon {
    width: 56px;
    height: 56px;
    background: rgba(82, 39, 255, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-card .info-icon i {
    font-size: 1.5rem;
    color: var(--accent-primary);
}

.info-card .info-content {
    flex: 1;
}

.info-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--text-primary);
}

.info-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--space-sm);
}

.info-card .email-address {
    font-family: monospace;
    background: rgba(255, 255, 255, 0.05);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    margin: var(--space-xs) 0;
    word-break: break-all;
    font-size: 0.9rem;
}

.email-link,
.profile-link,
.support-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    margin-top: var(--space-sm);
}

.email-link:hover,
.profile-link:hover,
.support-link:hover {
    color: var(--accent-tertiary);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-card);
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--border-color);
    margin-top: var(--space-2xl);
}

.footer-content {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.social-icons {
    display: flex;
    gap: var(--space-md);
}

.social-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.25rem;
    transition: all var(--transition-base);
}

/* Social Media Colors */
.social-icon.github {
    background: rgba(255, 255, 255, 0.05);
    color: var(--github);
}

.social-icon.github:hover {
    background: var(--github);
    color: var(--bg-primary);
    transform: translateY(-4px);
}

.social-icon.linkedin {
    background: rgba(255, 255, 255, 0.05);
    color: var(--linkedin);
}

.social-icon.linkedin:hover {
    background: var(--linkedin);
    color: white;
    transform: translateY(-4px);
}

.social-icon.twitter {
    background: rgba(255, 255, 255, 0.05);
    color: var(--twitter);
}

.social-icon.twitter:hover {
    background: var(--twitter);
    color: white;
    transform: translateY(-4px);
}

.social-icon.instagram {
    background: rgba(255, 255, 255, 0.05);
    color: var(--instagram);
}

.social-icon.instagram:hover {
    background: var(--instagram);
    color: white;
    transform: translateY(-4px);
}

/* ===== RESPONSIVE DESIGN - FIXED HERO ===== */
@media (max-width: 1024px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
        gap: var(--space-2xl);
    }
    
    .hero-content {
        flex: none;
        width: 100%;
        max-width: 700px;
        margin: 0 auto;
    }
    
    .hero-visual {
        flex: none;
        width: 100%;
        order: 2;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .nav {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--overlay);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--space-md);
        gap: var(--space-md);
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav.active {
        display: flex;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .container {
        padding: 0 var(--space-sm);
    }
    
    .contact-form-container,
    .info-card.professional {
        padding: var(--space-lg);
    }
    
    .social-icons {
        gap: var(--space-sm);
    }
    
    .social-icon {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
    }
    
    .submit-btn {
        padding: var(--space-sm) var(--space-lg);
        font-size: 1rem;
    }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.project-card,
.skill-category,
.about-card,
.info-card.professional {
    animation: fadeInUp 0.6s ease forwards;
}

/* Stagger animations for 2x2 grid */
.projects-grid .project-card:nth-child(1) { animation-delay: 0.1s; }
.projects-grid .project-card:nth-child(2) { animation-delay: 0.2s; }
.projects-grid .project-card:nth-child(3) { animation-delay: 0.3s; }
.projects-grid .project-card:nth-child(4) { animation-delay: 0.4s; }

.skill-category:nth-child(2) { animation-delay: 0.1s; }
.skill-category:nth-child(3) { animation-delay: 0.2s; }

.about-card:nth-child(2) { animation-delay: 0.1s; }
.about-card:nth-child(3) { animation-delay: 0.2s; }
.about-card:nth-child(4) { animation-delay: 0.3s; }