:root {
  --ink: #0f0f13;
  --paper: #ffffff;
  --cream: #f7f8fa;
  --accent: #c0392b;
  --accent2: #1d4ed8;
  --muted: #4b4b57;
  --rule: #dde0e6;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  font-size: 15px;
  line-height: 1.75;
  overflow-x: hidden;
}

/* MASTHEAD */
.masthead {
  border-bottom: 3px solid var(--ink);
  padding: 0 60px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 64px;
  position: sticky;
  top: 0;
  background: var(--paper);
  z-index: 100;
  box-shadow: 0 1px 0 var(--rule);
}
.masthead-left {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
  text-transform: uppercase;
}
.masthead-logo {
  font-family: 'Playfair Display', serif;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.02em;
  text-align: center;
}
.masthead-right {
  display: flex;
  gap: 28px;
  justify-content: flex-end;
}
.masthead-right a {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  transition: color 0.2s;
}
.masthead-right a:hover { color: var(--accent); }

/* HERO */
.hero {
  padding: 80px 60px 60px;
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 60px;
  align-items: end;
}
.hero-kicker {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: fadeUp 0.6s 0.1s both;
}
.hero-kicker::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--accent);
}
.hero-headline {
  font-family: 'Playfair Display', serif;
  font-size: clamp(52px, 7vw, 96px);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: 32px;
  animation: fadeUp 0.7s 0.2s both;
}
.hero-headline em { font-style: italic; color: var(--accent); }
.hero-desc {
  font-size: 16px;
  color: var(--muted);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 40px;
  animation: fadeUp 0.7s 0.35s both;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  animation: fadeUp 0.7s 0.5s both;
}
.tag {
  border: 1px solid var(--ink);
  padding: 5px 14px;
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 100px;
  transition: all 0.2s;
  cursor: default;
}
.tag:hover { background: var(--ink); color: var(--paper); }
.tag.accent { background: var(--accent); color: white; border-color: var(--accent); }
.tag.accent2 { background: var(--accent2); color: white; border-color: var(--accent2); }

.hero-aside {
  border-left: 1px solid var(--rule);
  padding-left: 40px;
  padding-bottom: 8px;
  animation: fadeUp 0.8s 0.4s both;
}
.contact-block { margin-bottom: 22px; }
.contact-label {
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}
.contact-value { font-size: 13.5px; color: var(--ink); }
.contact-value a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--rule); transition: border-color 0.2s; }
.contact-value a:hover { border-color: var(--accent); }

.stat-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
}
.stat-num {
  font-family: 'Playfair Display', serif;
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}
.stat-label {
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 4px;
}

/* SECTION */
.section {
  padding: 70px 60px;
  border-bottom: 1px solid var(--rule);
}
.section:nth-child(even) { background: var(--cream); }
.section-header {
  display: flex;
  align-items: baseline;
  gap: 20px;
  margin-bottom: 48px;
}
.section-num {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.1em;
}
.section-title {
  font-family: 'Playfair Display', serif;
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.section-rule { flex: 1; height: 1px; background: var(--rule); }

/* EXPERIENCE */
.exp-grid { display: grid; gap: 0; }
.exp-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  padding: 36px 0;
  border-top: 1px solid var(--rule);
}
.exp-meta { padding-top: 4px; }
.exp-period {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.exp-company {
  font-family: 'Playfair Display', serif;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 4px;
}
.exp-location {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.1em;
}
.exp-role {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 14px;
  font-weight: 500;
}
.exp-body h4 {
  font-family: 'Playfair Display', serif;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 14px;
  line-height: 1.2;
}
.exp-bullets { list-style: none; }
.exp-bullets li {
  font-size: 14.5px;
  color: var(--ink);
  line-height: 1.7;
  padding: 7px 0 7px 22px;
  position: relative;
  border-top: 1px solid var(--cream);
}
.exp-bullets li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 12px;
  top: 10px;
}

/* EDUCATION */
.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--ink);
  border: 2px solid var(--ink);
}
.edu-card {
  background: var(--paper);
  padding: 40px;
}
.edu-year {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.edu-school {
  font-family: 'Playfair Display', serif;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.2;
}
.edu-degree {
  font-size: 13.5px;
  color: var(--muted);
  margin-bottom: 18px;
  line-height: 1.6;
}
.edu-thesis {
  font-size: 13.5px;
  padding: 14px 18px;
  background: var(--cream);
  border-left: 3px solid var(--accent);
  font-style: italic;
  color: var(--ink);
  line-height: 1.6;
}

/* PROJECTS */
.proj-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.proj-card {
  border: 1px solid var(--rule);
  padding: 32px;
  position: relative;
  overflow: hidden;
  background: var(--paper);
  transition: border-color 0.3s;
}
.proj-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}
.proj-card:hover::before { transform: scaleX(1); }
.proj-card:hover { border-color: var(--ink); }
.proj-period {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.proj-title {
  font-family: 'Playfair Display', serif;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.2;
}
.proj-role-badge {
  display: inline-block;
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 4px 10px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 2px;
  margin-bottom: 16px;
}
.proj-desc {
  font-size: 13.5px;
  color: var(--muted);
  margin-bottom: 20px;
  line-height: 1.65;
}
.proj-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}
.stack-pill {
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.08em;
  padding: 3px 9px;
  border: 1px solid var(--rule);
  border-radius: 3px;
  color: var(--muted);
}
.proj-highlights { list-style: none; }
.proj-highlights li {
  font-size: 13.5px;
  color: var(--ink);
  padding: 6px 0 6px 18px;
  position: relative;
  border-top: 1px solid var(--cream);
  line-height: 1.6;
}
.proj-highlights li::before {
  content: '·';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 20px;
  line-height: 1;
  top: 5px;
}

/* SKILLS */
.skills-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.skill-group { margin-bottom: 32px; }
.skill-group-label {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}
.skills-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-pill {
  font-size: 13px;
  padding: 5px 14px;
  background: var(--cream);
  border-radius: 4px;
  color: var(--ink);
  transition: all 0.2s;
  cursor: default;
}
.skill-pill:hover { background: var(--ink); color: var(--paper); }
.skill-pill.highlight { background: var(--accent); color: white; }
.skill-pill.highlight2 { background: var(--accent2); color: white; }

/* LANGUAGES */
.lang-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--ink);
  border: 2px solid var(--ink);
}
.lang-card { background: var(--paper); padding: 32px; text-align: center; }
.lang-name {
  font-family: 'Playfair Display', serif;
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}
.lang-level {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.lang-bar {
  width: 60px;
  height: 3px;
  background: var(--rule);
  margin: 12px auto;
  border-radius: 2px;
  overflow: hidden;
}
.lang-fill { height: 100%; background: var(--accent); border-radius: 2px; }

/* EXTRACURRICULAR */
.extra-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; }
.extra-card { padding: 28px; border: 1px solid var(--rule); background: var(--paper); }
.extra-period {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}
.extra-title {
  font-family: 'Playfair Display', serif;
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.3;
}
.extra-org {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  color: var(--accent2);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.extra-desc { font-size: 13.5px; color: var(--muted); line-height: 1.6; }

/* INTERESTS */
.interests-cloud { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.interest-item {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: clamp(13px, 2vw, 20px);
  color: var(--muted);
  transition: color 0.2s;
  cursor: default;
}
.interest-item:hover { color: var(--accent); }
.interest-dot { color: var(--rule); font-family: 'DM Mono', monospace; }

/* FOOTER */
footer {
  padding: 48px 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--ink);
  color: var(--paper);
}
.footer-name { font-family: 'Playfair Display', serif; font-size: 28px; font-weight: 700; }
.footer-meta {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: #a0a0a8;
  text-align: right;
  line-height: 1.8;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: none; }
}

@media (max-width: 900px) {
  .masthead { padding: 0 24px; }
  .masthead-left { display: none; }
  .hero { grid-template-columns: 1fr; padding: 48px 24px; }
  .hero-aside { border-left: none; border-top: 1px solid var(--rule); padding-left: 0; padding-top: 32px; }
  .section { padding: 48px 24px; }
  .exp-item { grid-template-columns: 1fr; gap: 8px; }
  .edu-grid, .proj-grid, .lang-row, .extra-grid, .skills-layout { grid-template-columns: 1fr; }
  footer { flex-direction: column; gap: 20px; text-align: center; padding: 40px 24px; }
  .footer-meta { text-align: center; }
}