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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #f59e0b;
    --accent: #ec4899;
    --dark: #1f2937;
    --light: #f8fafc;
    --gray: #6b7280;
    --gray-light: #e5e7eb;
}

body {
    font-family: 'Space Grotesk', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: var(--light);
    overflow-x: hidden;
}

/* Animated Background */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(245, 158, 11, 0.05) 0%, transparent 50%);
    z-index: -1;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(1deg); }
}

/* Navigation */
.main-nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 1000;
    transition: all 0.3s ease;
}

.main-nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--dark);
    display: flex;
    align-items: center;
}

.logo-dot {
    color: var(--accent);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--gray);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

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

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 20px;
    height: 2px;
    background: var(--dark);
    transition: all 0.3s ease;
}

/* Mobile Menu */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
}

.mobile-menu {
    position: absolute;
    top: 0;
    right: 0;
    width: 70%;
    height: 100%;
    background: white;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mobile-menu a {
    text-decoration: none;
    color: var(--dark);
    font-size: 1.2rem;
    padding: 1rem;
    border-radius: 8px;
    transition: background 0.3s ease;
}

.mobile-menu a:hover,
.mobile-menu a.active {
    background: var(--gray-light);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 2rem;
    position: relative;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
}

.title-line.accent {
    color: var(--primary);
    position: relative;
}

.title-line.accent::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 8px;
    background: var(--secondary);
    opacity: 0.3;
    z-index: -1;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--gray);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

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

.btn.primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

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

.btn.secondary:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* Floating Elements */
.floating-elements {
    position: relative;
    height: 300px;
}

.floating-element {
    position: absolute;
    font-size: 3rem;
    animation: floatElement 6s ease-in-out infinite;
}

.element-1 {
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.element-2 {
    top: 60%;
    left: 60%;
    animation-delay: 2s;
}

.element-3 {
    top: 40%;
    left: 40%;
    animation-delay: 4s;
}

@keyframes floatElement {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    cursor: pointer;
    color: var(--gray);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

.arrow {
    width: 2px;
    height: 20px;
    background: var(--gray);
    margin: 0.5rem auto;
}

/* Sections */
section {
    padding: 100px 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 4rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary);
}

/* About Section */
.about {
    background: white;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.intro {
    font-size: 1.3rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--gray);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--light);
    border-radius: 12px;
    transition: transform 0.3s ease;
}

.skill-item:hover {
    transform: translateY(-5px);
}

.skill-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.skill-info h4 {
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.skill-info p {
    color: var(--gray);
    font-size: 0.9rem;
}

/* Projects Section */
.projects {
    background: var(--light);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    width: 100%;
}

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    padding: 10px 20px;
    background: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: background 0.3s ease;
}

.project-link:hover {
    background: var(--primary-dark);
}


/* Single project centering */
.projects-grid.single-project {
    grid-template-columns: minmax(350px, 350px);
    justify-content: center;
}

.project-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    max-width: 100%;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.project-image {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-placeholder {
    font-size: 3rem;
    color: white;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.project-info {
    padding: 1.5rem;
    flex-grow: 1;
}

.project-info h3 {
    margin-bottom: 0.5rem;
    color: var(--dark);
    font-size: 1.25rem;
}

.project-info p {
    color: var(--gray);
    margin-bottom: 1rem;
    font-size: 0.9rem;
    line-height: 1.5;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    background: var(--gray-light);
    color: var(--dark);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Cat Pictures Section - Enhanced with Images */
.cat-pictures {
    background: white;
}

.cat-intro {
    text-align: center;
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.cat-card {
    background: var(--light);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.cat-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.cat-image {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.cat-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.cat-card:hover .cat-image img {
    transform: scale(1.1);
}

.cat-placeholder {
    font-size: 4rem;
    color: white;
}

/* Image loading states */
.cat-image.loading {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.cat-image.error {
    background: linear-gradient(135deg, #ff6b6b, #ee5a52);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
}

.error-text {
    font-size: 0.9rem;
    margin-top: 0.5rem;
    opacity: 0.8;
}

.cat-info {
    padding: 1.5rem;
    text-align: center;
}

.cat-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.cat-breed {
    color: var(--gray);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.cat-personality {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 1rem;
}

.personality-tag {
    background: var(--primary);
    color: white;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.cat-stats {
    display: flex;
    justify-content: space-around;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--gray-light);
}

.stat {
    text-align: center;
}

.stat-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cat-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.btn.cat-btn {
    background: var(--accent);
    color: white;
    border: none;
}

.btn.cat-btn:hover {
    background: #db2777;
    transform: translateY(-2px);
}

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

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

/* Contact Section */
.contact {
    background: var(--light);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-info p {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 2rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 20px;
    background: white;
    border-radius: 10px;
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.social-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    color: var(--primary);
}

.social-icon {
    font-size: 1.2rem;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }

    .nav-links {
        display: none;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }

    .section-title {
        font-size: 2rem;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .projects-grid.single-project {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .cat-grid {
        grid-template-columns: 1fr;
    }

    .social-links {
        flex-direction: column;
        align-items: center;
    }

    .cat-actions {
        flex-direction: column;
        align-items: center;
    }

    .cat-stats {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .project-card {
        margin: 0;
    }
    
    .hero {
        padding: 0 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .cat-image {
        height: 200px;
    }
}

/* Loading State for Projects */
.projects-loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 3rem;
    grid-column: 1 / -1;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-light);
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}