:root {
  --color-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-muted: #6b6b6b;
  --color-accent: #2f6fed;
  --color-border: #ececec;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;

  --max-width: 960px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Nav */
nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-sm);
  padding-bottom: var(--space-sm);
}

nav .nav-name {
  font-weight: 600;
  text-decoration: none;
  color: var(--color-text);
}

nav ul {
  list-style: none;
  display: flex;
  gap: var(--space-md);
  margin: 0;
  padding: 0;
}

nav a {
  text-decoration: none;
  color: var(--color-text);
}

nav a:hover {
  color: var(--color-accent);
}

/* Sections */
section,
header.hero {
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-border);
}

section:last-of-type {
  border-bottom: none;
}

h1,
h2 {
  margin-top: 0;
}

h2 {
  font-size: 1.75rem;
  margin-bottom: var(--space-md);
}

/* Hero */
.hero-inner {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.hero-text {
  flex: 1 1 320px;
}

.hero-text h1 {
  font-size: 3rem;
  margin-bottom: var(--space-sm);
}

.hero-text p {
  color: var(--color-muted);
  font-size: 1.1rem;
  max-width: 40ch;
}

.hero-visual {
  position: relative;
  flex: 0 0 auto;
  width: 240px;
  height: 240px;
}

.hero-visual .artwork {
  position: absolute;
  top: -20px;
  right: -20px;
  width: 260px;
  height: 260px;
  z-index: 0;
}

.hero-visual img {
  position: relative;
  z-index: 1;
  width: 240px;
  height: 240px;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

/* Experience & Projects */
.entry-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.entry {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-md);
}

.entry h3 {
  margin: 0 0 var(--space-xs);
}

.entry .meta {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin: 0 0 var(--space-xs);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
}

/* Contact */
.contact-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  font-size: 1.1rem;
}

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

.contact-links a:hover {
  color: var(--color-accent);
}

footer {
  padding: var(--space-md) 0;
  color: var(--color-muted);
  font-size: 0.85rem;
  text-align: center;
}

@media (max-width: 600px) {
  .hero-inner {
    flex-direction: column-reverse;
    text-align: center;
  }

  .hero-text p {
    max-width: none;
  }

  nav ul {
    gap: var(--space-sm);
    flex-wrap: wrap;
  }
}