:root {
  --bg: #0f1115;
  --bg-elevated: #161923;
  --text: #eef0f5;
  --text-dim: #a4a9b8;
  --accent: #6ee7d0;
  --accent-strong: #35c9ab;
  --border: #262b38;
  --shadow: rgba(0, 0, 0, 0.35);
  --radius: 14px;
  --max-width: 960px;
}

[data-theme="light"] {
  --bg: #f7f8fb;
  --bg-elevated: #ffffff;
  --text: #1a1d27;
  --text-dim: #5a5f70;
  --accent: #0f9d84;
  --accent-strong: #0c7c69;
  --border: #e2e5ee;
  --shadow: rgba(15, 17, 21, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: background 0.25s ease, color 0.25s ease;
  line-height: 1.6;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

a:hover {
  text-decoration: underline;
}

h1, h2, h3 {
  line-height: 1.2;
  margin: 0 0 0.5em;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.site-nav {
  display: flex;
  gap: 24px;
}

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

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

.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  width: 36px;
  height: 36px;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
}

.theme-toggle:hover {
  border-color: var(--accent);
}

/* Hero */

.hero {
  text-align: center;
  padding: 88px 24px 64px;
}

.avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.5rem;
  color: #0f1115;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 8px 24px var(--shadow);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
}

.wave {
  display: inline-block;
  animation: wave 2.2s infinite;
  transform-origin: 70% 70%;
}

@keyframes wave {
  0%, 60%, 100% { transform: rotate(0deg); }
  10% { transform: rotate(14deg); }
  20% { transform: rotate(-8deg); }
  30% { transform: rotate(14deg); }
  40% { transform: rotate(-4deg); }
  50% { transform: rotate(10deg); }
}

.tagline {
  font-size: 1.15rem;
  color: var(--accent);
  min-height: 1.6em;
  font-weight: 600;
}

.cursor {
  animation: blink 1s step-start infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.hero-bio {
  max-width: 560px;
  margin: 16px auto 32px;
  color: var(--text-dim);
}

.cta-row {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn:hover {
  transform: translateY(-2px);
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #0f1115;
}

.btn-primary:hover {
  box-shadow: 0 8px 20px var(--shadow);
}

.btn-secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-ghost {
  background: var(--bg-elevated);
  border-color: var(--border);
  color: var(--text);
  margin-top: 8px;
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Sections */

section {
  padding: 64px 24px;
}

section h2 {
  font-size: 1.75rem;
  text-align: center;
}

.section-intro {
  text-align: center;
  color: var(--text-dim);
  max-width: 520px;
  margin: 0 auto 40px;
}

/* About / traits */

.traits {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.traits li {
  display: flex;
  gap: 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.traits li.visible {
  opacity: 1;
  transform: translateY(0);
}

.trait-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
}

.traits h3 {
  margin: 0 0 4px;
  font-size: 1.05rem;
}

.traits p {
  margin: 0;
  color: var(--text-dim);
}

#fun-fact-btn {
  display: block;
  margin: 32px auto 0;
}

.fun-fact {
  text-align: center;
  color: var(--accent);
  font-style: italic;
  min-height: 1.5em;
  margin-top: 16px;
}

/* Projects */

.project-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.project-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease, box-shadow 0.2s ease;
}

.project-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.project-card:hover {
  box-shadow: 0 10px 30px var(--shadow);
}

.project-rank {
  position: absolute;
  top: 16px;
  right: 20px;
  color: var(--text-dim);
  font-weight: 700;
  font-size: 0.85rem;
}

.section-heading-spaced {
  margin-top: 56px;
}

.featured-grid {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  margin-bottom: 8px;
}

.project-card.featured {
  border-color: var(--accent);
  background: linear-gradient(160deg, color-mix(in srgb, var(--accent) 10%, var(--bg-elevated)), var(--bg-elevated));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 35%, transparent);
}

.project-card.featured .project-rank {
  color: var(--accent-strong);
}

.project-card.featured .badge {
  background: color-mix(in srgb, var(--accent) 28%, transparent);
}

.project-card h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  padding-right: 32px;
}

.project-card p {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin: 0 0 16px;
}

.badge {
  display: inline-block;
  font-size: 0.8rem;
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  color: var(--accent-strong);
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 600;
}

.project-links {
  margin-top: 16px;
  display: flex;
  gap: 16px;
  font-size: 0.9rem;
  font-weight: 600;
}

.more-projects {
  text-align: center;
  color: var(--text-dim);
  margin-top: 32px;
}

/* Stats */

.stat-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  text-align: center;
}

.stat-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 12px;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 24px;
  text-align: center;
  color: var(--text-dim);
}

.footer-links {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin: 12px 0;
  font-weight: 600;
}

.copyright {
  font-size: 0.85rem;
  margin-top: 16px;
}

@media (max-width: 600px) {
  .site-nav {
    display: none;
  }
}

/* Legal content (privacy policy, etc.) */

.legal {
  max-width: 680px;
}

.legal h1 {
  font-size: 2rem;
}

.legal h2 {
  font-size: 1.2rem;
  text-align: left;
  margin-top: 32px;
}

.legal p {
  color: var(--text-dim);
}

.legal ul {
  color: var(--text-dim);
  padding-left: 20px;
}

.legal li {
  margin-bottom: 6px;
}

.legal code {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.9em;
}