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

body {
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    min-height: 100vh;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

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

/* Header */
header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.2rem 0;
    box-shadow: 0 4px 30px rgba(102, 126, 234, 0.15), 0 2px 20px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(102, 126, 234, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: -0.02em;
    animation: gradientShift 3s ease infinite;
    text-shadow: 0 0 30px rgba(102, 126, 234, 0.3);
    position: relative;
    cursor: pointer;
    transition: all 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
    text-shadow: 0 0 40px rgba(102, 126, 234, 0.5);
}

.logo::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -10px;
    right: -10px;
    bottom: -5px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-radius: 15px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.logo:hover::before {
    opacity: 1;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    transition: width 0.3s ease;
}

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

.nav-links a:hover {
    color: #667eea;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 20px;
    margin: 2rem;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: float 20s linear infinite;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.2) 50%, rgba(0,0,0,0.4) 100%);
    z-index: 1;
}

@keyframes float {
    0% { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(-50px, -50px) rotate(360deg); }
}

.hero h1 {
    font-size: 4.2rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease-out;
    font-weight: 700;
    text-shadow: 3px 3px 25px rgba(0,0,0,0.8), 0 0 40px rgba(0,0,0,0.6);
    position: relative;
    z-index: 2;
    letter-spacing: -0.02em;
    color: #ffffff;
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    animation: fadeInUp 1s ease-out 0.2s both;
    font-weight: 500;
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 2px 2px 15px rgba(0,0,0,0.7);
    color: #ffffff;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, #ff6b6b 0%, #ff8e8e 50%, #ff6b6b 100%);
    background-size: 200% 200%;
    color: white;
    padding: 18px 40px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    animation: fadeInUp 1s ease-out 0.4s both;
    position: relative;
    z-index: 2;
    box-shadow: 0 8px 30px rgba(255, 107, 107, 0.4);
    border: 2px solid rgba(255,255,255,0.2);
    letter-spacing: 0.5px;
}

.cta-button:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 50px rgba(255, 107, 107, 0.6);
    background-position: 100% 0;
}

/* Sections */
section {
    background: white;
    margin: 2rem 0;
    padding: 5rem 0;
    border-radius: 20px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.1);
}

h2 {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 4rem;
    color: #333;
    position: relative;
    font-weight: 700;
    letter-spacing: -0.02em;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2, #f093fb);
    border-radius: 2px;
}

/* Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.skill-category {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(102, 126, 234, 0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.skill-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.03), transparent);
    transition: left 0.5s;
}

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

.skill-category:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 60px rgba(102, 126, 234, 0.15);
    border-color: rgba(102, 126, 234, 0.2);
}

.skill-category h3 {
    color: #667eea;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-family: 'Space Grotesk', sans-serif;
}

.skill-category h3 i {
    font-size: 1.8rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.skill-tag {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.8rem 1.3rem;
    border-radius: 30px;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.3px;
}

.skill-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

.skill-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

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

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.project-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea, #764ba2, #f093fb);
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
}

.project-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 30px 70px rgba(102, 126, 234, 0.15);
}

.project-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    background-size: 200% 200%;
    animation: gradientShift 8s ease infinite;
    color: white;
    padding: 2rem;
    text-align: center;
    position: relative;
}

.project-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
    letter-spacing: -0.01em;
}

.project-content {
    padding: 2.5rem;
}

.project-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    color: #4a5568;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin: 1.5rem 0;
}

.tech-tag {
    background: linear-gradient(135deg, #e3f2fd 0%, #f3e5f5 100%);
    color: #1565c0;
    padding: 0.6rem 1.1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid rgba(21, 101, 192, 0.1);
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 0.2px;
}

.tech-tag:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, #1976d2 0%, #7b1fa2 100%);
    color: white;
    box-shadow: 0 5px 15px rgba(25, 118, 210, 0.3);
}

.project-content p:last-child {
    font-weight: 600;
    color: #2d3748;
    font-size: 1rem;
}

/* Contact Section */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    text-align: center;
}

.contact-item {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    background-size: 200% 200%;
    animation: gradientShift 10s ease infinite;
    color: white;
    padding: 2.5rem;
    border-radius: 20px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    border: 2px solid rgba(255,255,255,0.1);
}

.contact-item::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 20px 20px;
    animation: float 15s linear infinite;
    opacity: 0.3;
}

.contact-item:hover {
    transform: scale(1.08) rotate(2deg);
    box-shadow: 0 20px 50px rgba(102, 126, 234, 0.3);
}

.contact-item i {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
}

.contact-item h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    letter-spacing: 0.5px;
}

.contact-item p {
    font-size: 1.1rem;
    font-weight: 500;
    opacity: 0.95;
    font-family: 'JetBrains Mono', monospace;
}

.contact-item a {
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-item a:hover {
    color: #f0f0f0;
    text-decoration: underline;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    background-size: 400% 400%;
    animation: gradientShift 3s ease infinite;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 6px solid rgba(255, 255, 255, 0.2);
    border-top: 6px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
}

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

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .hero p {
        font-size: 1.2rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    h2 {
        font-size: 2.5rem;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    section {
        padding: 3rem 0;
        margin: 1rem 0;
    }
}

/* Scroll behavior */
html {
    scroll-behavior: smooth;
}