:root {
  /* Light base */
  --bg: #FAF8F5;
  --bg-warm: #F5F1EB;
  --bg-card: #FFFFFF;
  --ink: #1A1A1A;
  --ink-soft: #2E2E2E;
  --mid: #6B6560;
  --muted: #9C9690;
  --light-line: #E4DFDA;
  --faint: #F0ECE7;

  /* Color accents — warm, hand-picked, like markers on paper */
  --red: #D94F3B;
  --blue: #3B7DD9;
  --gold: #D4953A;
  --green: #4A8B6E;
  --violet: #7B5FA0;

  /* Wing accents */
  --accent-music: var(--red);
  --accent-ds: var(--blue);

  /* Fonts */
  --font-display: 'Syne', sans-serif;
  --font-body: 'Source Serif 4', Georgia, serif;
  --font-mono: 'Space Mono', monospace;
  --font-hand: 'Caveat', cursive;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

/* ================================================================
   LANDING PAGE
   ================================================================ */
.landing {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* Subtle paper-like texture */
.landing::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='400' height='400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='0.65' numOctaves='4' type='fractalNoise' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  pointer-events: none;
}

.landing-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem;
}

.landing-photo-placeholder {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  margin: 0 auto 2rem;
  background: var(--faint);
  border: 2px solid var(--light-line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-hand);
  font-size: 2.2rem;
  color: var(--muted);
  opacity: 0;
  animation: fadeUp 0.6s 0.1s forwards;
  overflow: hidden;
}
.landing-photo-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.landing-name {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 0.6rem;
  color: var(--ink);
  opacity: 0;
  animation: fadeUp 0.6s 0.2s forwards;
}

.landing-annotation {
  font-family: var(--font-hand);
  font-size: 1.3rem;
  color: var(--muted);
  margin-bottom: 3rem;
  opacity: 0;
  animation: fadeUp 0.6s 0.3s forwards;
}

.landing-doors {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  opacity: 0;
  animation: fadeUp 0.6s 0.4s forwards;
}

.door {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.8rem 3rem;
  cursor: pointer;
  border: 1.5px solid var(--light-line);
  border-radius: 3px;
  background: var(--bg-card);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}
.door:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.06);
}
.door.door-music:hover { border-color: var(--accent-music); }
.door.door-ds:hover { border-color: var(--accent-ds); }

.door-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 0.2rem;
  transition: color 0.3s;
}
.door.door-music:hover .door-title { color: var(--accent-music); }
.door.door-ds:hover .door-title { color: var(--accent-ds); }

.door-sub {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.02em;
}

.door-arrow {
  margin-top: 0.8rem;
  color: var(--muted);
  font-size: 1rem;
  transition: all 0.3s;
}
.door:hover .door-arrow { transform: translateX(4px); }

/* ================================================================
   SHARED NAV
   ================================================================ */
.wing-nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  padding: 0.9rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(250,248,245,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--light-line);
}
.wing-nav-left {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}
.wing-nav-home {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  transition: opacity 0.3s;
  letter-spacing: -0.01em;
  line-height: 1;
}
.wing-nav-home:hover { opacity: 0.6; }
.wing-nav-section {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.45;
  transition: opacity 0.3s;
  cursor: pointer;
}
.wing-nav-section::before {
  content: '';
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}
.wing-nav-section.ds-label::after,
.wing-nav-section.music-label::after { content: none; }
.wing-nav-section:hover { opacity: 1; }
.wing-nav-section.current {
  opacity: 1;
  cursor: default;
}
.wing-nav-section.music-label { color: var(--accent-music); }
.wing-nav-section.ds-label { color: var(--accent-ds); }

.wing-nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.wing-nav-links a {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--mid);
  cursor: pointer;
  transition: color 0.3s;
}
.music-wing .wing-nav-links a:hover { color: var(--accent-music); }
.ds-wing .wing-nav-links a:hover { color: var(--accent-ds); }

/* Hamburger — hidden on desktop */
.nav-burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 2px;
  flex-direction: column;
  gap: 4px;
  margin-left: auto;
}
.nav-burger span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--ink);
  border-radius: 1px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-burger.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* ================================================================
   MUSIC WING — sketchbook / mixtape feel
   ================================================================ */
.music-wing { padding-top: 0; }

.music-hero {
  min-height: 90vh;
  display: flex;
  align-items: flex-end;
  position: relative;
  overflow: hidden;
  background: var(--bg-warm);
}
.music-hero-img-area {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-family: var(--font-hand);
  font-size: 1.2rem;
}
.music-hero-img-area img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.music-hero-fade {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(to bottom, transparent, var(--bg));
  pointer-events: none;
}
.music-hero-content {
  position: relative;
  z-index: 2;
  padding: 0 6vw 6vh;
}
.music-hero-name {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--ink);
  margin-bottom: 0.6rem;
}
.music-hero-sub {
  font-family: var(--font-hand);
  font-size: 1.4rem;
  color: var(--mid);
}

.music-hero-socials {
  display: flex;
  gap: 1.1rem;
  margin-top: 1.2rem;
  align-items: center;
}
.music-hero-socials a {
  display: inline-flex;
  transition: transform 0.3s, opacity 0.3s;
  opacity: 0.92;
}
.music-hero-socials a:hover {
  opacity: 1;
  transform: translateY(-2px);
}

/* Section styling — music */
.m-section {
  padding: 4rem 6vw;
  max-width: 800px;
  margin: 0 auto;
  scroll-margin-top: 80px;
}
.m-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-music);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.m-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--light-line);
}

/* Coming soon — sketchbook card */
.sketch-card {
  border: 1.5px dashed var(--light-line);
  border-radius: 2px;
  padding: 3rem 2.5rem;
  text-align: center;
  background: var(--bg-card);
  position: relative;
}
.sketch-card::before,
.sketch-card::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
}
.sketch-card::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--accent-music);
  border-left: 2px solid var(--accent-music);
}
.sketch-card::after {
  bottom: -1px;
  right: -1px;
  border-bottom: 2px solid var(--accent-music);
  border-right: 2px solid var(--accent-music);
}
.sketch-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}
.sketch-card .hand-note {
  font-family: var(--font-hand);
  font-size: 1.15rem;
  color: var(--mid);
  margin-bottom: 2rem;
  line-height: 1.5;
}

/* Mixtape player */
.mixtape-player {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  margin-top: 1.75rem;
  padding: 0.25rem 0.25rem 0;
  text-align: left;
}

.mixtape-play {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1.5px solid var(--accent-music);
  background: var(--bg-card);
  color: var(--accent-music);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 0 0 3px;
  transition: background 0.3s, transform 0.3s;
}
.mixtape-play:hover {
  background: rgba(217,79,59,0.08);
  transform: scale(1.04);
}
.mixtape-play.playing { padding: 0; }
.mixtape-play .mixtape-pause-icon { display: none; }
.mixtape-play.playing .mixtape-play-icon { display: none; }
.mixtape-play.playing .mixtape-pause-icon { display: block; }

.mixtape-track {
  flex: 1;
  min-width: 0;
}

.mixtape-track-meta {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  margin-bottom: 0.55rem;
}
.mixtape-side {
  font-family: var(--font-mono);
  font-size: 0.54rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-music);
  border: 1px solid var(--accent-music);
  padding: 0.15rem 0.42rem;
  border-radius: 2px;
  line-height: 1;
  flex-shrink: 0;
}
.mixtape-title {
  font-family: var(--font-hand);
  font-size: 1.2rem;
  color: var(--ink-soft);
  line-height: 1;
}

.mixtape-progress {
  height: 4px;
  background-color: var(--faint);
  background-image: repeating-linear-gradient(
    90deg,
    transparent 0,
    transparent 5px,
    rgba(26,26,26,0.07) 5px,
    rgba(26,26,26,0.07) 6px
  );
  border-radius: 2px;
  overflow: hidden;
  cursor: pointer;
  position: relative;
}
.mixtape-progress-fill {
  height: 100%;
  width: 0%;
  background: var(--accent-music);
  transition: width 0.1s linear;
}

.mixtape-time {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-top: 0.5rem;
}
.mixtape-time-sep { opacity: 0.5; margin: 0 0.15rem; }

.social-row {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.social-pill {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  color: var(--mid);
  padding: 0.45rem 1rem;
  border: 1px solid var(--light-line);
  border-radius: 100px;
  transition: all 0.3s;
  background: var(--bg);
}
.social-pill:hover {
  color: var(--accent-music);
  border-color: var(--accent-music);
  background: rgba(217,79,59,0.04);
}

/* Collabs — like notes pinned to a board */
.collabs-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.collab-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1rem 0;
  border-bottom: 1px solid var(--faint);
  transition: all 0.2s;
}
.collab-row:hover {
  padding-left: 0.5rem;
}
.collab-row:last-child { border-bottom: none; }
.collab-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.collab-row:hover .collab-name { color: var(--accent-music); }
.collab-desc {
  font-size: 0.82rem;
  color: var(--muted);
  text-align: right;
}

/* Music bio */
.m-bio p {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 580px;
}

/* Contact */
.contact-row {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}
.contact-item {
  font-size: 0.88rem;
  color: var(--ink-soft);
}
.contact-item span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.25rem;
}
.contact-item a {
  border-bottom: 1px solid var(--light-line);
  transition: all 0.3s;
}
.music-wing .contact-item a:hover {
  color: var(--accent-music);
  border-color: var(--accent-music);
}
.ds-wing .contact-item a:hover {
  color: var(--accent-ds);
  border-color: var(--accent-ds);
}

/* ================================================================
   DATA SCIENCE WING — cleaner, academic
   ================================================================ */
.ds-wing { padding-top: 60px; }

.ds-hero {
  padding: 4rem 6vw 3rem;
  max-width: 800px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: start;
}
.ds-hero-text h1 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}
.ds-hero-text p {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--ink-soft);
  margin-bottom: 0.6rem;
}
.ds-link {
  color: var(--accent-ds);
  border-bottom: 1px solid rgba(59,125,217,0.25);
  transition: border-color 0.3s;
}
.ds-link:hover { border-color: var(--accent-ds); }

.ds-hero-photo {
  width: 120px;
  height: 150px;
  border-radius: 3px;
  background: var(--faint);
  border: 1px solid var(--light-line);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-hand);
  font-size: 0.9rem;
  color: var(--muted);
  overflow: hidden;
}
.ds-hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ds-section {
  padding: 2.5rem 6vw;
  max-width: 800px;
  margin: 0 auto;
  scroll-margin-top: 80px;
}
.ds-section .ds-label {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-ds);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.ds-section .ds-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--light-line);
}

.ds-item {
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--faint);
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 1rem;
  align-items: baseline;
}
.ds-item:last-of-type { border-bottom: none; }
.ds-item-year {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  padding-top: 0.1rem;
}
.ds-item-content h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.15rem;
  letter-spacing: -0.01em;
}
.ds-item-content p {
  font-size: 0.82rem;
  color: var(--mid);
  line-height: 1.55;
}
.ds-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.03em;
  color: var(--accent-ds);
  background: rgba(59,125,217,0.06);
  padding: 0.15rem 0.5rem;
  border-radius: 2px;
  margin-right: 0.3rem;
  margin-top: 0.35rem;
}

.ds-projects {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 0.5rem;
}

.ds-project-card {
  border: 1px solid var(--light-line);
  border-radius: 3px;
  padding: 1.5rem 1.4rem 1.6rem;
  background: var(--bg-card);
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.ds-project-card:hover {
  border-color: var(--accent-ds);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.04);
}

.ds-project-num {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  color: var(--accent-ds);
  margin-bottom: 0.85rem;
}

.ds-project-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
  line-height: 1.25;
}

.ds-project-desc {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--ink-soft);
}

.ds-cv-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  color: var(--accent-ds);
  border: 1px solid rgba(59,125,217,0.2);
  padding: 0.5rem 1.2rem;
  border-radius: 2px;
  transition: all 0.3s;
}
.ds-cv-link:hover {
  background: rgba(59,125,217,0.05);
  border-color: rgba(59,125,217,0.4);
}

/* ================================================================
   SHARED FOOTER
   ================================================================ */
.wing-footer {
  padding: 3rem 6vw 2rem;
  max-width: 800px;
  margin: 0 auto;
  border-top: 1px solid var(--faint);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--muted);
}
.wing-footer a {
  color: var(--mid);
  transition: color 0.3s;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.03em;
}
.music-wing .wing-footer a:hover { color: var(--accent-ds); }
.ds-wing .wing-footer a:hover { color: var(--accent-music); }

/* ================================================================
   ANIMATIONS
   ================================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 640px) {
  /* Landing */
  .landing-doors { flex-direction: column; gap: 0.75rem; }
  .door { padding: 1.4rem 2.5rem; }

  /* Nav — single row with hamburger for section links */
  .wing-nav { padding: 0.7rem 1.2rem; }
  .nav-burger { display: flex; }
  .wing-nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(250,248,245,0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--light-line);
    padding: 0.5rem 1.2rem;
  }
  .wing-nav-links.open { display: flex; }
  .wing-nav-links li { padding: 0.6rem 0; border-bottom: 1px solid var(--faint); }
  .wing-nav-links li:last-child { border-bottom: none; }
  .wing-nav-links a { font-size: 0.82rem; }

  /* Sections */
  .m-section, .ds-section, .ds-hero { padding-left: 1.5rem; padding-right: 1.5rem; }

  /* DS hero — stack photo below text */
  .ds-hero { grid-template-columns: 1fr; }
  .ds-hero-photo { width: 90px; height: 110px; }

  /* DS project cards — single column */
  .ds-projects { grid-template-columns: 1fr; gap: 0.9rem; }
  .ds-item { grid-template-columns: 1fr; gap: 0.2rem; }

  /* Music hero */
  .music-hero { min-height: 70vh; }
  .music-hero-content { padding: 0 1.5rem 4vh; }
  .music-hero-name { font-size: clamp(2rem, 10vw, 2.8rem); }

  /* Sketch card */
  .sketch-card { padding: 2rem 1.2rem; }

  /* Collabs */
  .collab-row { flex-direction: column; gap: 0.15rem; }
  .collab-desc { text-align: left; }

  /* Contact */
  .contact-row { flex-direction: column; gap: 1.2rem; }

  /* Footer */
  .wing-footer { flex-direction: column; gap: 0.5rem; text-align: center; }
}

@media (max-width: 380px) {
  .wing-nav-left { gap: 0.7rem; }
  .wing-nav-home { font-size: 0.85rem; }
  .wing-nav-section { font-size: 0.58rem; }

  .mixtape-player { flex-direction: column; align-items: stretch; gap: 0.8rem; }
  .mixtape-play { align-self: center; }

  .ds-hero-text h1 { font-size: 1.4rem; }
  .ds-project-desc { font-size: 0.8rem; }
}