*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --paper: #f6f1eb;
  --paper-bg: #ebeae8;
  --ink: #2c2824;
  --ink-light: #6b6259;
  --ink-faint: #9e9487;
  --accent: #8b4513;
  --accent-light: #a0522d;
  --rule: #d4cbbf;
  --rule-dark: #b8ada0;
  --shadow: rgba(0,0,0,0.06);
  --page-texture: linear-gradient(rgba(246, 241, 235, 0.92), rgba(246, 241, 235, 0.92));
  --bg-texture: linear-gradient(rgba(235, 234, 232, 0.94), rgba(235, 234, 232, 0.94));
  --margin-x: clamp(1.25rem, 4vw, 4.5rem);
  --max-content: 760px;
}

[data-theme="dark"] {
  --paper: #24211d;
  --paper-bg: #171513;
  --ink: #f2eadf;
  --ink-light: #d2c4b4;
  --ink-faint: #a79886;
  --accent: #e0a56f;
  --accent-light: #efbb87;
  --rule: rgba(233, 214, 190, 0.16);
  --rule-dark: rgba(233, 214, 190, 0.28);
  --shadow: rgba(0,0,0,0.5);
  --page-texture: linear-gradient(rgba(36, 33, 29, 0.94), rgba(36, 33, 29, 0.94));
  --bg-texture: linear-gradient(rgba(23, 21, 19, 0.96), rgba(23, 21, 19, 0.96));
}

html {
  font-size: 17px;
  scroll-behavior: smooth;
  background-color: var(--paper-bg);
  background-image: var(--bg-texture), url("https://www.transparenttextures.com/patterns/textured-paper.png");
  transition: background-color 0.4s ease;
}

body {
  font-family: 'Source Serif 4', 'Georgia', serif;
  color: var(--ink);
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  transition: color 0.4s ease;
}

.page {
  max-width: 920px;
  margin: 0 auto;
  background-color: var(--paper);
  background-image: var(--page-texture), url("https://www.transparenttextures.com/patterns/textured-paper.png");
  min-height: 100vh;
  padding: 4rem var(--margin-x) 6rem;
  box-shadow: 0 0 0 1px var(--rule), 4px 4px 20px var(--shadow);
  position: relative;
  transition: background-color 0.4s ease, box-shadow 0.4s ease;
}

.page::before {
  content: '';
  position: fixed;
  left: max(calc((100vw - 920px) / 2 + 56px), 56px);
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--rule);
  opacity: 0.5;
  pointer-events: none;
}

@media (max-width: 960px) {
  .page::before { display: none; }
}

nav {
  position: sticky;
  top: 0;
  z-index: 21;
  background-color: var(--paper);
  background-image: var(--page-texture), url("https://www.transparenttextures.com/patterns/textured-paper.png");
  margin: -4rem calc(var(--margin-x) * -1) 0;
  padding: 1.2rem var(--margin-x);
  border-bottom: 1px solid var(--rule);
  display: flex;
  gap: 1.8rem;
  flex-wrap: wrap;
  align-items: baseline;
  transition: background-color 0.4s ease, border-color 0.4s ease;
}

.nav-links {
  display: flex;
  gap: 1.8rem;
  flex-wrap: wrap;
  align-items: center;
}

nav a {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-light);
  text-decoration: none;
  transition: color 0.2s;
}

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

nav .nav-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--ink);
  margin-right: auto;
}

.nav-toggle {
  display: none;
  margin-left: auto;
  appearance: none;
  width: 50px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.7), rgba(237, 229, 217, 0.94)),
    var(--page-texture),
    url("https://www.transparenttextures.com/patterns/textured-paper.png");
  color: var(--ink);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: none;
  transition: color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.nav-toggle:hover {
  color: var(--accent);
  box-shadow: none;
}

.nav-toggle-inner span {
  position: absolute;
  left: 0;
  display: block;
  width: 20px;
  height: 2.25px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease, background-color 0.3s ease;
}

.nav-toggle-inner {
  position: relative;
  width: 20px;
  height: 14px;
}

.nav-toggle-inner span:nth-child(1) { top: 0; }
.nav-toggle-inner span:nth-child(2) { top: 6px; }
.nav-toggle-inner span:nth-child(3) { top: 12px; }

section[id] {
  scroll-margin-top: 5rem;
}

.nav-overlay {
  position: fixed;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(17, 15, 13, 0) 0%, rgba(17, 15, 13, 0.05) 58%, rgba(17, 15, 13, 0.16) 100%),
    radial-gradient(circle at 100% 8%, rgba(224, 165, 111, 0.12), transparent 26%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  z-index: 18;
}

body.nav-open .nav-overlay {
  opacity: 1;
  pointer-events: auto;
}

header {
  margin-top: 5rem;
  margin-bottom: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--rule);
}

header h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 0.6rem;
}

header .contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.6rem;
  font-size: 0.85rem;
  color: var(--ink-light);
}

header .contact-row a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

header .contact-row a:hover {
  border-bottom-color: var(--accent);
}

section {
  margin-bottom: 3.5rem;
}

.summary p {
  font-size: 0.95rem;
  color: var(--ink-light);
  max-width: var(--max-content);
}

.skills-grid {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 0.6rem 1.4rem;
  font-size: 0.88rem;
  max-width: var(--max-content);
}

.skills-grid dt {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding-top: 0.15rem;
}

.skills-grid dd {
  color: var(--ink-light);
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--rule);
}

@media (max-width: 540px) {
  .skills-grid { grid-template-columns: 1fr; gap: 0.2rem; }
  .skills-grid dt { padding-top: 0.6rem; }
}

@media (max-width: 700px) {
  nav {
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
  }

  .nav-toggle {
    display: inline-flex;
  }

  nav .nav-name {
    margin-right: 0;
    text-align: left;
    font-size: 1.42rem;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    width: min(84vw, 340px);
    height: 100vh;
    padding: 5.9rem 1.45rem 2rem;
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0.4rem;
    background:
      linear-gradient(180deg, rgba(252, 248, 242, 0.995), rgba(246, 239, 230, 0.985) 38%, rgba(232, 220, 205, 0.97)),
      radial-gradient(circle at top right, rgba(160, 82, 45, 0.14), transparent 34%),
      url("https://www.transparenttextures.com/patterns/textured-paper.png");
    box-shadow: -24px 0 60px rgba(32, 24, 18, 0.18);
    border-left: 1px solid rgba(139, 69, 19, 0.1);
    transform: translateX(110%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.3s ease;
    z-index: 19;
  }

  [data-theme="dark"] .nav-links {
    background:
      linear-gradient(180deg, rgba(27, 24, 22, 0.995), rgba(22, 19, 17, 0.99) 55%, rgba(18, 16, 14, 0.985)),
      radial-gradient(circle at top right, rgba(224, 165, 111, 0.14), transparent 34%),
      url("https://www.transparenttextures.com/patterns/textured-paper.png");
    box-shadow: -24px 0 62px rgba(0, 0, 0, 0.5);
  }

  [data-theme="dark"] .nav-toggle {
    background:
      linear-gradient(180deg, rgba(47, 41, 37, 0.92), rgba(28, 24, 21, 0.98)),
      var(--page-texture),
      url("https://www.transparenttextures.com/patterns/textured-paper.png");
    box-shadow: none;
  }

  .nav-links::before {
    content: "MENU";
    display: block;
    margin-bottom: 1rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--rule);
    font-size: 0.68rem;
    letter-spacing: 0.28em;
    color: var(--ink-faint);
  }

  .nav-links a {
    font-size: 0.8rem;
    letter-spacing: 0.16em;
    padding: 1rem 0.15rem;
    border-bottom: 1px solid var(--rule);
    text-align: left;
    opacity: 0;
    transform: translateX(18px);
    transition: color 0.2s ease, border-color 0.2s ease, opacity 0.35s ease, transform 0.45s ease, padding-left 0.25s ease;
  }

  .nav-links a:hover {
    padding-left: 0.45rem;
  }

  body.nav-open .nav-links {
    transform: translateX(0);
    opacity: 1;
    pointer-events: auto;
  }

  body.nav-open .nav-links a {
    opacity: 1;
    transform: translateX(0);
  }

  body.nav-open .nav-links a:nth-child(1) { transition-delay: 0.1s; }
  body.nav-open .nav-links a:nth-child(2) { transition-delay: 0.16s; }
  body.nav-open .nav-links a:nth-child(3) { transition-delay: 0.22s; }
  body.nav-open .nav-links a:nth-child(4) { transition-delay: 0.28s; }

  body.nav-open .nav-toggle {
    border-color: var(--accent);
    color: var(--accent);
  }

  body.nav-open .nav-toggle-inner span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  body.nav-open .nav-toggle-inner span:nth-child(2) {
    opacity: 0;
  }

  body.nav-open .nav-toggle-inner span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  html {
    font-size: 15.5px;
  }

  body {
    line-height: 1.64;
  }

  header {
    margin-top: 4.2rem;
    margin-bottom: 3.1rem;
    padding-bottom: 2.2rem;
  }

  header h1 {
    font-size: clamp(2.15rem, 11.5vw, 2.9rem);
    line-height: 1.08;
    margin-bottom: 0.7rem;
  }

  header .subtitle,
  header .contact-row,
  .summary p,
  .entry ul,
  .project p,
  .edu-item p,
  .cert-item,
  .skills-grid,
  footer {
    font-size: 0.92rem;
  }

  .meta,
  .stack {
    font-size: 0.72rem;
  }
}

.entry {
  margin-bottom: 2.4rem;
  max-width: var(--max-content);
  position: relative;
}

.entry h3 {
  font-family: 'Source Serif 4', serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.15rem;
  line-height: 1.4;
}

.entry .meta {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
  margin-bottom: 0.7rem;
}

.entry ul {
  list-style: none;
  padding: 0;
}

.entry ul li {
  font-size: 0.88rem;
  color: var(--ink-light);
  padding-left: 1.1rem;
  position: relative;
  margin-bottom: 0.35rem;
  line-height: 1.6;
}

.entry ul li::before {
  content: '-';
  position: absolute;
  left: 0;
  color: var(--rule-dark);
}

.project {
  margin-bottom: 1.8rem;
  max-width: var(--max-content);
}

.project h3 {
  font-family: 'Source Serif 4', serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.2rem;
}

.project p {
  font-size: 0.88rem;
  color: var(--ink-light);
  margin-bottom: 0.3rem;
}

.project .stack {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  color: var(--ink-faint);
  letter-spacing: 0.03em;
}

.cert-item, .edu-item {
  margin-bottom: 0.8rem;
  max-width: var(--max-content);
}

.cert-item strong, .edu-item strong {
  font-weight: 600;
  color: var(--ink);
}

.cert-item span {
  font-size: 0.88rem;
  color: var(--ink-light);
}

.edu-item p {
  font-size: 0.88rem;
  color: var(--ink-light);
}

.edu-item .meta {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
  margin-bottom: 0.3rem;
}

footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  color: var(--ink-faint);
  letter-spacing: 0.03em;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.reveal .entry,
.reveal .project,
.reveal .cert-item,
.reveal .edu-item,
.reveal .skills-grid {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.visible .entry,
.reveal.visible .project,
.reveal.visible .cert-item,
.reveal.visible .edu-item,
.reveal.visible .skills-grid {
  opacity: 1;
  transform: translateY(0);
}

header.reveal {
  opacity: 0;
  transform: none;
}

header.reveal.visible {
  opacity: 1;
}

.typewriter-cursor {
  display: inline-block;
  width: 2px;
  height: 0.9em;
  background: var(--accent);
  margin-left: 3px;
  vertical-align: baseline;
  animation: cursorBlink 0.7s steps(1) infinite;
}

.typewriter-cursor.hidden {
  opacity: 0;
  transition: opacity 0.4s ease;
}

@keyframes cursorBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

header .subtitle {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1.6rem;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

header .subtitle.typed-in {
  opacity: 1;
  transform: translateY(0);
}

header .contact-row > * {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

header .contact-row.typed-in > * {
  opacity: 1;
  transform: translateY(0);
}

section h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.3rem;
  letter-spacing: 0.01em;
}

section h2::after {
  content: '';
  display: block;
  width: 0;
  height: 1.5px;
  background: var(--accent);
  margin-top: 0.5rem;
  margin-bottom: 1.4rem;
  transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.2s;
}

.reveal.visible h2::after {
  width: 2.4rem;
}

.reveal .entry ul li {
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.reveal.visible .entry ul li {
  opacity: 1;
  transform: translateX(0);
}

footer.reveal {
  opacity: 0;
  transform: translateY(10px);
}

footer.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.theme-toggle {
  position: fixed;
  bottom: 1.8rem;
  right: 1.8rem;
  z-index: 20;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--rule);
  background-color: var(--paper);
  background-image: var(--page-texture), url("https://www.transparenttextures.com/patterns/textured-paper.png");
  color: var(--ink-faint);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.4s ease, border-color 0.4s ease, color 0.3s ease, transform 0.2s ease;
  box-shadow: 0 2px 8px var(--shadow);
}

.theme-toggle:hover {
  color: var(--accent);
  transform: scale(1.08);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  transition: opacity 0.3s ease, transform 0.4s ease;
}

.theme-toggle .icon-moon { display: block; }
.theme-toggle .icon-sun { display: none; }

[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }

@media print {
  html { background: white; }
  .page { box-shadow: none; padding: 2rem; background-image: none; }
  .page::before { display: none; }
  nav { display: none; }
  .theme-toggle { display: none; }
  header { margin-top: 1rem; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .reveal .entry, .reveal .project, .reveal .cert-item, .reveal .edu-item, .reveal .skills-grid,
  .reveal .entry ul li { opacity: 1; transform: none; transition: none; }
  header .subtitle, header .contact-row > * { opacity: 1; transform: none; transition: none; }
  .typewriter-cursor { display: none; }
}