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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: #ffffff;
    color: #000000;
    line-height: 1.6;
}

/* Header/Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid #f0f0f0;
}

nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 300;
    letter-spacing: -0.02em;
}

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

.nav-links a {
    color: #666;
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #000;
}

.btn {
    padding: 0.5rem 1.5rem;
    border: 1px solid #e0e0e0;
    background: white;
    color: #000;
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: inherit;
}

.btn:hover {
    background: #f5f5f5;
}

.btn-primary {
    background: #000;
    color: #fff;
    border-color: #000;
}

.btn-primary:hover {
    background: #333;
}

.btn-lg {
    padding: 0.875rem 2rem;
    font-size: 1rem;
}

/* Sections */
section {
    padding: 6rem 3rem;
    max-width: 1400px;
    margin: 0 auto;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 5rem;
}

.hero-content {
    max-width: 1000px;
}

.profile-image {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid #f5f5f5;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

h1 {
    font-size: 6rem;
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.subtitle {
    font-size: 1.5rem;
    color: #666;
    font-weight: 300;
    margin-bottom: 3rem;
}

h2 {
    font-size: 4rem;
    font-weight: 300;
    letter-spacing: -0.02em;
    margin-bottom: 4rem;
}

h3 {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 0.5rem;
}

.bg-gray {
    background: #fafafa;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.about-text {
    font-size: 1.125rem;
    color: #333;
    line-height: 1.8;
}

/* Experience Cards */
.experience-list {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.card {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s;
}

.card:hover {
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
}

.card-header {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.icon-box {
    padding: 0.75rem;
    background: #f5f5f5;
    border-radius: 8px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-title {
    flex: 1;
}

.company {
    color: #666;
    margin-bottom: 0.25rem;
}

.date {
    font-size: 0.875rem;
    color: #999;
}

.card-text {
    color: #333;
    line-height: 1.8;
}

/* Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: #fafafa;
    border-radius: 8px;
    transition: background 0.3s;
}

.skill-item:hover {
    background: #f0f0f0;
}

/* Contact Section */
.contact-container {
    max-width: 700px;
    margin: 0 auto;
}

.contact-intro {
    text-align: center;
    font-size: 1.125rem;
    color: #666;
    margin-bottom: 3rem;
}

.contact-form {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    padding: 3rem;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: #333;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #000;
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form button[type="submit"] {
    width: 100%;
    justify-content: center;
}

.form-message {
    padding: 1rem;
    border-radius: 6px;
    text-align: center;
    margin-bottom: 2rem;
}

.form-message.success {
    background: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.form-message.error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.contact-info {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #e0e0e0;
}

.contact-info p {
    color: #666;
    margin-bottom: 1rem;
}

.linkedin-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #000;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

.linkedin-link:hover {
    opacity: 0.7;
}

/* Footer */
footer {
    padding: 3rem;
    border-top: 1px solid #e0e0e0;
    text-align: center;
}

footer p {
    color: #666;
    margin-bottom: 1rem;
}

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

.footer-links a {
    color: #666;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #000;
}

/* SVG Icons */
svg {
    width: 24px;
    height: 24px;
}

.icon-sm {
    width: 20px;
    height: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    nav {
        padding: 1rem 1.5rem;
    }

    .nav-links {
        display: none;
    }

    h1 {
        font-size: 3rem;
    }

    h2 {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1.125rem;
    }

    section {
        padding: 3rem 1.5rem;
    }

    .about-grid,
    .skills-grid {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 2rem 1.5rem;
    }
}