:root {
  --bg: #08080e;
  --bg-2: #0f0f1a;
  --bg-3: #141420;
  --border: rgba(255,255,255,0.06);
  --border-mid: rgba(255,255,255,0.12);
  --text: #eeeef5;
  --text-2: #9090a8;
  --text-3: #55556a;
  --accent: #c8f060;
  --accent-dim: rgba(200,240,96,0.08);
  --accent-border: rgba(200,240,96,0.2);
  --accent-text: #8aaa20;
}
[data-theme="light"] {
  --bg: #f8f8f2;
  --bg-2: #f0f0e8;
  --bg-3: #ffffff;
  --border: rgba(0,0,0,0.07);
  --border-mid: rgba(0,0,0,0.14);
  --text: #0c0c18;
  --text-2: #555568;
  --text-3: #aaaabc;
  --accent: #5a7a00;
  --accent-dim: rgba(90,122,0,0.07);
  --accent-border: rgba(90,122,0,0.2);
  --accent-text: #5a7a00;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  line-height: 1.7;
  transition: background 0.3s, color 0.3s;
}

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 3rem; height: 56px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}
.nav-logo {
  font-family: 'DM Mono', monospace;
  font-size: 13px; color: var(--accent);
  text-decoration: none; letter-spacing: 0.05em;
}
.nav-right { display: flex; align-items: center; gap: 2.5rem; }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  font-size: 12px; font-weight: 500; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-3);
  text-decoration: none; transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.theme-btn {
  background: none; border: 1px solid var(--border);
  border-radius: 20px; padding: 4px 14px; cursor: pointer;
  font-family: 'DM Mono', monospace; font-size: 11px;
  color: var(--text-3); transition: all 0.2s;
}
.theme-btn:hover { border-color: var(--accent-border); color: var(--accent); }

/* LAYOUT */
.container { max-width: 1000px; margin: 0 auto; padding: 0 3rem; }

/* HERO */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding-top: 56px;
}
.hero-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: center; width: 100%;
}
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent-dim); border: 1px solid var(--accent-border);
  border-radius: 20px; padding: 5px 14px; margin-bottom: 2rem;
}
.hero-tag span {
  font-family: 'DM Mono', monospace; font-size: 11px;
  color: var(--accent); letter-spacing: 0.1em; text-transform: uppercase;
}
.hero-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); animation: pulse 2s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
h1 {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(3rem, 5.5vw, 4.8rem);
  font-weight: 400; line-height: 1.08;
  letter-spacing: -0.02em; margin-bottom: 1.5rem;
}
h1 em { font-style: italic; color: var(--accent); }
.hero-bio {
  font-size: 1rem; color: var(--text-2);
  max-width: 420px; line-height: 1.75; margin-bottom: 2rem;
}
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 22px; border-radius: 4px;
  font-size: 12px; font-weight: 500; letter-spacing: 0.1em;
  text-transform: uppercase; text-decoration: none;
  transition: all 0.2s; font-family: 'DM Sans', sans-serif;
  cursor: pointer;
}
.btn-solid { background: var(--accent); color: #08080e; border: 1px solid var(--accent); }
[data-theme="light"] .btn-solid { color: #fff; }
.btn-solid:hover { opacity: 0.85; }
.btn-outline {
  background: transparent; color: var(--text-2);
  border: 1px solid var(--border-mid);
}
.btn-outline:hover { color: var(--text); border-color: var(--border-mid); }

.hero-right { display: flex; align-items: center; justify-content: center; }
.hero-photo-wrap {
  position: relative; width: 340px; height: 400px;
  border-radius: 12px; overflow: hidden;
  border: 1px solid var(--border);
}
.hero-photo-wrap img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center top;
  display: block; filter: grayscale(20%);
  transition: filter 0.3s;
}
.hero-photo-wrap:hover img { filter: grayscale(0%); }
.hero-photo-overlay {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 1.25rem 1.5rem;
  background: linear-gradient(transparent, rgba(8,8,14,0.85));
}
[data-theme="light"] .hero-photo-overlay {
  background: linear-gradient(transparent, rgba(248,248,242,0.85));
}
.hero-photo-tag {
  font-family: 'DM Mono', monospace; font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent);
}

/* SECTIONS */
section { padding: 100px 0; }
.section-header { margin-bottom: 3rem; }
.section-tag {
  font-family: 'DM Mono', monospace; font-size: 11px;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.75rem;
}
h2 {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 400; letter-spacing: -0.02em; line-height: 1.15;
}
h2 em { font-style: italic; }
.line { width: 32px; height: 1px; background: var(--accent); margin-bottom: 1.5rem; }

/* ABOUT */
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 4rem; align-items: start; }
.about-text p { font-size: 1rem; color: var(--text-2); line-height: 1.8; margin-bottom: 1.25rem; }
.about-text p strong { color: var(--text); font-weight: 500; }
.interests { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 1.5rem; }
.interest-tag {
  background: var(--bg-2); border: 1px solid var(--border);
  padding: 6px 14px; border-radius: 3px;
  font-size: 12px; color: var(--text-2);
  font-family: 'DM Mono', monospace;
}
.skills-stack { display: flex; flex-direction: column; gap: 1px; }
.skill-row {
  background: var(--bg-2); padding: 1.25rem 1.5rem;
  border-radius: 0; transition: background 0.2s;
}
.skill-row:first-child { border-radius: 8px 8px 0 0; }
.skill-row:last-child { border-radius: 0 0 8px 8px; }
.skill-row:hover { background: var(--bg-3); }
.skill-cat {
  font-family: 'DM Mono', monospace; font-size: 10px;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--text-3); margin-bottom: 10px;
}
.skill-pills { display: flex; flex-wrap: wrap; gap: 6px; }
.pill {
  background: var(--accent-dim); border: 1px solid var(--accent-border);
  color: var(--accent); padding: 3px 10px; border-radius: 3px;
  font-size: 11px; font-family: 'DM Mono', monospace;
}
.pill-gray {
  background: var(--bg); border-color: var(--border);
  color: var(--text-3);
}

/* EXPERIENCE */
.exp-list { display: flex; flex-direction: column; }
.exp-item {
  display: grid; grid-template-columns: 200px 1fr;
  gap: 3rem; padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
}
.exp-item:last-child { border-bottom: none; }
.exp-period {
  font-family: 'DM Mono', monospace; font-size: 11px;
  color: var(--text-3); line-height: 1.6; margin-bottom: 8px;
}
.exp-co {
  font-size: 13px; font-weight: 600; color: var(--accent);
  text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 3px;
}
.exp-loc { font-size: 11px; color: var(--text-3); }
.exp-role {
  font-family: 'Instrument Serif', serif;
  font-size: 1.3rem; font-weight: 400; margin-bottom: 1rem;
  letter-spacing: -0.01em;
}
.exp-bullets { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.exp-bullets li {
  font-size: 14px; color: var(--text-2);
  padding-left: 20px; position: relative; line-height: 1.65;
}
.exp-bullets li::before {
  content: '→'; position: absolute; left: 0;
  color: var(--accent); font-size: 12px; top: 2px;
}

/* PROJECTS */
.projects-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1px; border: 1px solid var(--border);
  border-radius: 12px; overflow: hidden;
}
.proj-card {
  background: var(--bg-2); padding: 2rem;
  display: flex; flex-direction: column; gap: 1rem;
  text-decoration: none; color: inherit;
  transition: background 0.2s; position: relative;
}
.proj-card:hover { background: var(--bg-3); }
.proj-card:hover .proj-arrow { transform: translate(3px, -3px); }
.proj-top { display: flex; justify-content: space-between; align-items: flex-start; }
.proj-title {
  font-family: 'Instrument Serif', serif;
  font-size: 1.15rem; font-weight: 400;
  line-height: 1.3; letter-spacing: -0.01em;
}
.proj-arrow {
  color: var(--accent); font-size: 16px;
  transition: transform 0.2s; flex-shrink: 0; margin-top: 2px;
}
.proj-desc { font-size: 13px; color: var(--text-2); line-height: 1.65; flex: 1; }
.proj-pills { display: flex; flex-wrap: wrap; gap: 5px; }
.proj-year {
  font-family: 'DM Mono', monospace; font-size: 10px;
  color: var(--text-3); letter-spacing: 0.1em;
}

/* EDUCATION */
.edu-list { display: flex; flex-direction: column; gap: 1px; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.edu-item {
  background: var(--bg-2); padding: 1.75rem 2rem;
  display: grid; grid-template-columns: 1fr auto; gap: 2rem;
  align-items: start; transition: background 0.2s;
}
.edu-item:hover { background: var(--bg-3); }
.edu-school {
  font-family: 'DM Mono', monospace; font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 6px;
}
.edu-degree {
  font-family: 'Instrument Serif', serif;
  font-size: 1.1rem; font-weight: 400; margin-bottom: 4px;
}
.edu-detail { font-size: 12px; color: var(--text-3); font-family: 'DM Mono', monospace; }
.edu-date {
  font-family: 'DM Mono', monospace; font-size: 11px;
  color: var(--text-3); text-align: right; white-space: nowrap;
  padding-top: 4px;
}

/* CONTACT */
.contact-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.contact-copy p { font-size: 1rem; color: var(--text-2); line-height: 1.8; margin-bottom: 1rem; }
.contact-links { display: flex; flex-direction: column; gap: 1px; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.contact-link {
  background: var(--bg-2); padding: 1.25rem 1.5rem;
  display: flex; justify-content: space-between; align-items: center;
  text-decoration: none; color: inherit; transition: background 0.2s;
}
.contact-link:hover { background: var(--bg-3); }
.contact-link-label {
  font-family: 'DM Mono', monospace; font-size: 10px;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--text-3); margin-bottom: 3px;
}
.contact-link-val { font-size: 13px; color: var(--text-2); }
.contact-link-arrow { color: var(--accent); font-size: 14px; }

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 3rem;
  display: flex; justify-content: space-between; align-items: center;
}
.footer-mono {
  font-family: 'DM Mono', monospace; font-size: 11px;
  color: var(--text-3); letter-spacing: 0.1em;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  nav { padding: 0 1.25rem; }
  .nav-links { display: none; }
  .container { padding: 0 1.25rem; }
  .hero-inner { grid-template-columns: 1fr; gap: 3rem; }
  .hero-right { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .exp-item { grid-template-columns: 1fr; gap: 0.75rem; }
  .projects-grid { grid-template-columns: 1fr; }
  .contact-wrap { grid-template-columns: 1fr; }
  footer { flex-direction: column; gap: 0.5rem; text-align: center; }
}