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

:root {
    --bg: #fafafa;
    --text: #111;
    --text-secondary: #555;
    --accent: #0066cc;
    --border: #e5e5e5;
    --card-bg: #fff;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    font-size: 16px;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(250, 250, 250, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

.nav-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--text);
    text-decoration: none;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--text);
}

/* Main Content */
main {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 2rem 0;
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text);
}

/* Hero */
.hero {
    min-height: auto;
    display: flex;
    align-items: center;
    padding-top: 3rem;
    padding-bottom: 2rem;
}

.hero-content {
    width: 100%;
}

.intro {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 4rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.tagline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.hero-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    margin-left: 0.25rem;
}

.hero-links a {
    color: var(--text-secondary);
    transition: color 0.2s;
}

.hero-links a:hover {
    color: var(--text);
}

/* About */
.about-content p {
    color: var(--text-secondary);
    max-width: 650px;
    margin-bottom: 1rem;
    font-size: 1.05rem;
}

.about-content strong {
    color: var(--text);
}

.awards {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.award {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Experience */
.timeline {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.experience-item {
    padding: 0;
}

.experience-item h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.experience-item h3 a {
    color: var(--text);
    text-decoration: none;
    border-bottom: 1px solid var(--border);
}

.experience-item h3 a:hover {
    border-bottom-color: var(--text);
}

.experience-item ul {
    list-style: none;
    padding: 0;
}

.experience-item li {
    color: var(--text-secondary);
    font-size: 0.95rem;
    padding-left: 1rem;
    position: relative;
    margin-bottom: 0.5rem;
}

.experience-item li::before {
    content: "–";
    position: absolute;
    left: 0;
    color: var(--border);
}

/* Projects */
.project-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.project-card {
    padding: 0;
}

.project-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.project-tag {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    font-weight: 500;
    margin-right: 0.5rem;
}

.project-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Responsive */
@media (max-width: 600px) {
    .nav-content {
        padding: 1rem 1.5rem;
    }

    .nav-links {
        gap: 1.25rem;
    }

    main {
        padding: 0 1.5rem;
    }

    section {
        padding: 3.5rem 0;
    }

    .hero {
        min-height: auto;
        padding-top: 8rem;
        padding-bottom: 4rem;
    }

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

    .exp-header {
        flex-direction: column;
        gap: 0.25rem;
    }
}