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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    color: #333;
    background: #0a0a0a;
    overflow-x: hidden;
}

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

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
}

.hero-content {
    text-align: center;
    color: white;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -2px;
}

.hero p {
    font-size: clamp(1.2rem, 3vw, 2rem);
    opacity: 0.9;
    font-weight: 300;
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards;
}

.fade-in-delay {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease 0.3s forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.9rem;
    opacity: 0.7;
    animation: bounce 2s infinite;
}

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

/* About Section */
.about {
    padding: 8rem 0;
    background: #ffffff;
    color: #333;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 2rem;
    font-weight: 700;
    text-align: center;
}

.intro-text {
    font-size: 1.3rem;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    color: #555;
}

/* Skills Section */
.skills {
    padding: 8rem 0;
    background: #f8f9fa;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.skill-card {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.skill-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #667eea;
}

.skill-card ul {
    list-style: none;
}

.skill-card li {
    padding: 0.5rem 0;
    font-size: 1.1rem;
    border-bottom: 1px solid #eee;
}

.skill-card li:last-child {
    border-bottom: none;
}

/* Experience Section */
.experience {
    padding: 8rem 0;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
}

.experience .section-title {
    color: white;
}

.experience-content {
    margin-top: 4rem;
}

.experience-item {
    margin-bottom: 3rem;
    padding: 2rem;
    background: rgba(255,255,255,0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.experience-item h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.experience-item p {
    font-size: 1.1rem;
    line-height: 1.7;
    opacity: 0.9;
}

/* Contact Section */
.contact {
    padding: 8rem 0;
    background: #0a0a0a;
    color: white;
    text-align: center;
}

.contact .section-title {
    color: white;
}

.contact-text {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.8;
}

.cta-button {
    display: inline-block;
    padding: 1.2rem 3rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

/* Parallax effects */
.parallax-section {
    will-change: transform;
}

/* Responsive */
@media (max-width: 768px) {
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 1rem;
    }
}