:root {
  --bg: #f7f7f9;
  --bg-dot: #e7e7ec;
  --card-bg: #ffffff;
  --text: #23252b;
  --text-soft: #63666f;
  --accent: #6c8cff;
  --accent-soft: #eef1ff;
  --border: #e7e7ec;
  --shadow: 0 8px 24px rgba(30, 32, 40, 0.06);
  --radius: 18px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14151a;
    --bg-dot: #1f2027;
    --card-bg: #1b1c22;
    --text: #eceef2;
    --text-soft: #9a9ca6;
    --accent: #8fa4ff;
    --accent-soft: #23263a;
    --border: #26272f;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Inter, Roboto, sans-serif;
  color: var(--text);
  background-color: var(--bg);
  background-image: radial-gradient(var(--bg-dot) 1px, transparent 1px);
  background-size: 22px 22px;
  line-height: 1.6;
}

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

a:hover {
  text-decoration: underline;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background-color: color-mix(in srgb, var(--bg) 80%, transparent);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-name {
  font-weight: 600;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-links a {
  color: var(--text-soft);
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: var(--accent);
  text-decoration: none;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero {
  padding: 96px 0 56px;
}

.eyebrow {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 2.75rem;
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}

.hero-sub {
  color: var(--text-soft);
  font-size: 1.1rem;
  max-width: 480px;
}

.hero-photo {
  display: block;
  max-width: 240px;
  width: 100%;
  height: auto;
  margin-top: 24px;
}

.section {
  margin-bottom: 28px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 36px;
}

.card h2 {
  margin-top: 0;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
}

.card p {
  color: var(--text-soft);
}

.interest-list {
  margin: 0;
  padding-left: 1.2em;
  color: var(--text-soft);
}

.interest-list li {
  margin-bottom: 8px;
}

.contact a {
  font-weight: 600;
}

.footer {
  text-align: center;
  color: var(--text-soft);
  font-size: 0.85rem;
  padding: 40px 24px 60px;
}

.ai-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.ai-links a {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 600;
}

.ai-links a:hover {
  background: var(--accent);
  color: var(--card-bg);
  text-decoration: none;
}