/* ============================================================
   SANIA SINGH — SHARED STYLESHEET
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=IM+Fell+English:ital@0;1&family=Jost:wght@300;400;500&display=swap');

/* ── VARIABLES ── */
:root {
  --bg:    #0A0806;
  --bg2:   #110E0A;
  --card:  #161210;
  --text:  #F0EAE0;
  --muted: #8A7E6E;

  --font:  "Helvetica Neue", Helvetica, Arial, sans-serif;
  --serif: "IM Fell English", Georgia, serif;

  /* ── TYPE SCALE ── */
  --fs:       18px;   /* body copy — edit this to change all body text */
  --fs-sm:    14px;   /* secondary text, captions */
  --fs-xs:    11px;   /* labels, tags, meta, uppercase UI */
  --fs-xxs:   10px;   /* tiny labels, section numbers */
  --fs-lg:    24px;   /* large body, card titles */
  --fs-hero:  clamp(60px, 9vw, 120px);
  --fs-h1:    clamp(56px, 9vw, 120px);
  --fs-h2:    clamp(28px, 4vw, 48px);
  --fs-h3:    clamp(24px, 3vw, 38px);

  --accent:       #C8A87A;
  --accent-strong:#A0804E;
  --accent-soft:  #E0CEB0;
  --accent-warm:  #D4785A;

  --link:         #C8A84B;
  --link-hover:   #E8C86A;

  --rule: rgba(255,255,255,0.05);
  --edge: rgba(255,255,255,0.08);
  --noise-light: rgba(255,255,255,0.02);

  --nav-h:       80px;
  --pad-x:       56px;
  --pad-section: 88px;

  --nav:             color-mix(in srgb, var(--bg) 94%, black);
  --hover-surface:   color-mix(in srgb, var(--bg2) 85%, white);
  --accent-contrast: color-mix(in srgb, var(--bg) 90%, black);
}

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

/* ── BASE ── */
body {
  font-family: var(--font);
  font-size: var(--fs);
  line-height: 1.85;
  letter-spacing: 0.015em;
  font-weight: 400;
  color: var(--text);
  background: var(--bg);
}

/* Scoped paragraph width — only in prose contexts */
.about-text p,
.inst-bio p,
.album-info p,
.listen-copy p,
.interests-text p,
.thesis-copy p,
.phd-header p,
.article-body p { max-width: 64ch; }

::selection { background: var(--accent); color: var(--accent-contrast); }

/* ── LINKS ── */
a {
  color: var(--link);
  text-decoration: none;
  transition: opacity 0.3s;
}
a:hover { color: var(--link-hover); }

.nav-links a,
footer a { color: var(--muted); }
.nav-links a:hover,
footer a:hover { color: var(--accent); }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; justify-content: space-between; align-items: center;
  height: var(--nav-h);
  padding: 0 var(--pad-x);
  background: var(--nav);
  border-bottom: 1px solid var(--rule);
  transition: background 0.3s ease;
}
nav.scrolled {
  background: color-mix(in srgb, var(--bg) 98%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.nav-name {
  font-size: var(--fs-xxs); font-weight: 500; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--text); text-decoration: none;
}
.nav-links { display: flex; gap: 40px; list-style: none; }
.nav-links a {
  font-size: var(--fs-xs); letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted); text-decoration: none; transition: color 0.2s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--accent); }

/* ── SECTION BASE ── */
section { position: relative; z-index: 1; padding: var(--pad-section) var(--pad-x); }

.section-header {
  display: flex; align-items: baseline; gap: 16px; margin-bottom: 52px;
}
.section-num   { font-size: var(--fs-xxs); letter-spacing: 0.22em; color: var(--accent); }
.section-title { font-size: var(--fs-xxs); letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted); }
.section-rule  { flex: 1; height: 1px; background: linear-gradient(to right, var(--rule), transparent); margin-left: 8px; }

/* ── PAGE HERO (inner pages) ── */
.page-hero {
  min-height: 52vh;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--nav-h) + 80px) var(--pad-x) 80px;
  overflow: visible;
}
.page-hero-label {
  font-size: var(--fs-xs); letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 20px;
  opacity: 0; animation: fadeUp 0.7s ease 0.2s forwards;
}
.page-hero h1 {
  font-size: var(--fs-h1);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--text);
  overflow: visible;
  opacity: 0; animation: fadeUp 0.8s ease 0.35s forwards;
}
.page-hero h1 em { font-style: italic; color: var(--accent); font-family: var(--serif); }
.page-hero-sub {
  margin-top: 28px; font-size: var(--fs); line-height: 1.85;
  color: var(--muted); max-width: 520px;
  opacity: 0; animation: fadeUp 0.8s ease 0.5s forwards;
}
.page-hero-sub strong { color: var(--text); font-weight: 400; }

/* ── HOMEPAGE HERO ── */
#hero {
  min-height: 100vh;
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: end;
  padding: calc(var(--nav-h) + 20px) var(--pad-x) 88px;
}
.hero-eyebrow {
  font-size: var(--fs-xs); letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 24px;
  opacity: 0; animation: fadeUp 0.8s ease 0.2s forwards;
}
.hero-name {
  font-size: var(--fs-hero); font-weight: 300;
  line-height: 1; letter-spacing: -0.025em; color: var(--text);
  overflow: visible;
  opacity: 0; animation: fadeUp 0.9s ease 0.35s forwards;
}
.hero-name em { font-style: italic; color: var(--accent); font-family: var(--serif); }
.hero-tagline {
  margin-top: 36px; font-size: var(--fs); line-height: 1.85;
  color: var(--muted); max-width: 420px;
  opacity: 0; animation: fadeUp 0.9s ease 0.55s forwards;
}
.hero-tagline strong { color: var(--text); font-weight: 400; }
.hero-ctas {
  margin-top: 44px; display: flex; gap: 20px; align-items: center;
  opacity: 0; animation: fadeUp 0.9s ease 0.75s forwards;
}
.hero-right {
  display: flex; flex-direction: column; align-items: flex-end;
  gap: 32px; opacity: 0; animation: fadeIn 1.2s ease 0.9s forwards;
}
.hero-stat { text-align: right; border-right: 1px solid var(--rule); padding-right: 24px; }
.hero-stat-num { font-size: 36px; font-weight: 300; color: var(--text); letter-spacing: -0.02em; line-height: 1; }
.hero-stat-label { font-size: var(--fs-xxs); letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); margin-top: 6px; }
.hero-scroll-line {
  width: 1px; height: 80px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2.4s ease-in-out infinite;
}

/* ── BUTTONS ── */
.btn-primary {
  padding: 13px 28px; font-size: var(--fs-xs); letter-spacing: 0.16em;
  text-transform: uppercase; background: var(--accent); color: var(--bg);
  border: none; cursor: pointer; font-family: inherit; font-weight: 500;
  text-decoration: none; transition: opacity 0.3s; display: inline-block;
}
.btn-primary:hover { opacity: 0.82; }
.btn-ghost {
  padding: 13px 28px; font-size: var(--fs-xs); letter-spacing: 0.16em;
  text-transform: uppercase; background: transparent; color: var(--muted);
  border: 1px solid var(--rule); cursor: pointer; font-family: inherit;
  text-decoration: none; transition: all 0.3s; display: inline-block;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ── ABOUT ── */
.about-grid { display: grid; grid-template-columns: 300px 1fr; gap: 80px; max-width: 1100px; }
.portrait-blank {
  aspect-ratio: 3/4;
  background: var(--card);
  border: 1px solid var(--edge);
  position: relative; overflow: hidden;
}
.portrait-blank::before {
  content: '';
  position: absolute; inset: 0;
  background: repeating-linear-gradient(135deg, transparent, transparent 5px, var(--noise-light) 5px, var(--noise-light) 6px);
}
.portrait-blank::after {
  content: 'portrait';
  position: absolute; bottom: 16px; left: 16px;
  font-size: var(--fs-xxs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted);
}
.about-text h2 {
  font-size: var(--fs-h2); font-weight: 300; line-height: 1.15;
  letter-spacing: -0.015em; margin-bottom: 32px; color: var(--text);
}
.about-text h2 em { font-style: italic; color: var(--accent); font-family: var(--serif); }
.about-text p { font-size: var(--fs); line-height: 1.95; color: var(--muted); margin-bottom: 22px; }
.about-text p strong { color: var(--text); font-weight: 400; }
.about-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 36px; }

/* ── TAGS ── */
.tag {
  font-size: var(--fs-xxs); letter-spacing: 0.14em; text-transform: uppercase;
  padding: 7px 14px; border: 1px solid var(--rule); color: var(--muted);
  transition: all 0.3s; cursor: default;
}
.tag:hover { border-color: var(--accent); color: var(--accent); }

/* ── EXPLORE / TEASER CARDS ── */
.explore-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 2px; max-width: 1100px;
}
.teaser-card {
  background: var(--card); padding: 44px 40px; height: 100%;
  transition: background 0.3s; position: relative; overflow: hidden;
}
.teaser-card::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
  background: var(--accent); transform: scaleX(0); transition: transform 0.4s ease; transform-origin: left;
}
a:hover .teaser-card { background: var(--hover-surface); }
a:hover .teaser-card::after { transform: scaleX(1); }
.teaser-num   { font-size: var(--fs-xxs); letter-spacing: 0.22em; color: var(--accent); margin-bottom: 20px; }
.teaser-icon  { font-size: 22px; color: var(--accent); font-family: var(--serif); margin-bottom: 16px; opacity: 0.7; }
.teaser-title { font-size: var(--fs-lg); font-weight: 300; color: var(--text); margin-bottom: 14px; letter-spacing: -0.01em; }
.teaser-desc  { font-size: var(--fs); line-height: 1.85; color: var(--muted); margin-bottom: 24px; }
.teaser-link  { font-size: var(--fs-xxs); letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); transition: color 0.3s; }
a:hover .teaser-link { color: var(--accent); }

/* ── GALLERY ── */
.gallery-grid {
  display: grid; grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 200px; gap: 3px; max-width: 1100px;
}
.g-item { background: var(--card); position: relative; overflow: hidden; cursor: pointer; }
.g-item:nth-child(1) { grid-column: span 7; grid-row: span 2; }
.g-item:nth-child(2) { grid-column: span 5; }
.g-item:nth-child(3) { grid-column: span 5; }
.g-item:nth-child(4) { grid-column: span 4; }
.g-item:nth-child(5) { grid-column: span 4; }
.g-item:nth-child(6) { grid-column: span 4; }
.g-item::before {
  content: ''; position: absolute; inset: 0;
  background: repeating-linear-gradient(135deg, transparent, transparent 5px, var(--noise-light) 5px, var(--noise-light) 6px);
}
.g-label {
  position: absolute; bottom: 16px; left: 16px;
  font-size: var(--fs-xxs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); z-index: 2;
}
.g-overlay {
  position: absolute; inset: 0;
  background: color-mix(in srgb, black 45%, transparent);
  z-index: 3; opacity: 0; transition: opacity 0.3s;
  display: flex; align-items: center; justify-content: center;
}
.g-overlay span { font-size: var(--fs-xxs); letter-spacing: 0.2em; text-transform: uppercase; color: var(--text); }
.g-item:hover .g-overlay { opacity: 1; }

/* ── CONTACT ── */
#contact { min-height: 60vh; display: flex; flex-direction: column; justify-content: center; }
.contact-inner { max-width: 1100px; }
.contact-heading {
  font-size: clamp(40px, 6vw, 90px); font-weight: 300;
  letter-spacing: -0.025em; line-height: 1.05; margin-bottom: 64px;
}
.contact-heading em { font-style: italic; color: var(--accent); font-family: var(--serif); }
.contact-row { display: flex; gap: 60px; flex-wrap: wrap; align-items: flex-start; }
.contact-col { display: flex; flex-direction: column; gap: 8px; }
.contact-col-label { font-size: var(--fs-xxs); letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); }
.contact-col-value { font-size: var(--fs); }
.contact-note {
  margin-top: 56px; max-width: 480px; font-size: var(--fs); line-height: 1.9;
  color: var(--muted); border-left: 1px solid var(--rule); padding-left: 24px;
}

/* ── SKILLS ── */
.skill-item { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--rule); }
.skill-name { font-size: var(--fs-sm); color: var(--text); font-weight: 300; }
.skill-bar-wrap { width: 80px; height: 2px; background: rgba(255,255,255,0.1); }
.skill-bar { height: 100%; background: var(--accent); transform-origin: left; transform: scaleX(0); transition: transform 1.2s ease; }

/* ── FOOTER ── */
footer {
  position: relative; z-index: 1; padding: 32px var(--pad-x);
  border-top: 1px solid var(--rule);
  display: flex; justify-content: space-between; align-items: center;
}
footer span { font-size: var(--fs-xs); letter-spacing: 0.1em; color: var(--muted); }
footer a { font-size: var(--fs-xs); letter-spacing: 0.1em; color: var(--muted); text-decoration: none; transition: color 0.3s; }
footer a:hover { color: var(--accent); }

/* ── MUSIC PAGE ── */
.album-layout {
  display: grid; grid-template-columns: 240px 1fr;
  gap: 80px; align-items: center; max-width: 1000px;
}
.album-art {
  aspect-ratio: 1;
  background: var(--card);
  border: 1px solid var(--edge);
  box-shadow: 0 12px 40px color-mix(in srgb, black 60%, transparent);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.album-art::before {
  content: ''; position: absolute; inset: 0;
  background: repeating-linear-gradient(135deg, transparent, transparent 6px, var(--noise-light) 6px, var(--noise-light) 7px);
}
.album-art-label { font-size: var(--fs-xs); letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); position: relative; z-index: 1; }
.album-tag { font-size: var(--fs-xxs); letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent); margin-bottom: 20px; }
.album-info h2 { font-size: clamp(32px, 5vw, 56px); font-weight: 300; line-height: 1.1; letter-spacing: -0.02em; margin-bottom: 28px; overflow: visible; }
.album-info h2 em { font-style: italic; color: var(--accent); font-family: var(--serif); }
.album-info p { font-size: var(--fs); line-height: 1.95; color: var(--muted); margin-bottom: 20px; }
.album-info p strong { color: var(--text); font-weight: 400; }
.album-status { margin-top: 36px; display: flex; align-items: center; gap: 12px; }
.pulse { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 2s ease-in-out infinite; }
.status-text { font-size: var(--fs-xs); letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }

.instruments-layout {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: start; max-width: 1000px;
}
.inst-row { display: flex; align-items: center; justify-content: space-between; padding: 22px 0; border-bottom: 1px solid var(--rule); transition: all 0.3s; }
.inst-row:hover .inst-name { color: var(--accent); }
.inst-name { font-size: 28px; font-weight: 300; color: var(--text); letter-spacing: -0.02em; }
.inst-grade { font-size: var(--fs-xxs); letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.inst-bio h3 { font-size: var(--fs-h3); font-weight: 300; line-height: 1.2; color: var(--text); margin-bottom: 24px; letter-spacing: -0.01em; overflow: visible; }
.inst-bio h3 em { font-style: italic; color: var(--accent); font-family: var(--serif); }
.inst-bio p { font-size: var(--fs); line-height: 1.95; color: var(--muted); margin-bottom: 18px; }
.inst-bio p strong { color: var(--text); font-weight: 400; }
.inst-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }

.listen-layout {
  display: grid; grid-template-columns: 1fr 380px;
  gap: 60px; align-items: start; max-width: 1000px;
}
.listen-copy h2 { font-size: var(--fs-h2); font-weight: 300; line-height: 1.15; letter-spacing: -0.015em; margin-bottom: 24px; overflow: visible; }
.listen-copy h2 em { font-style: italic; color: var(--accent); font-family: var(--serif); }
.listen-copy p { font-size: var(--fs); line-height: 1.9; color: var(--muted); margin-bottom: 16px; }
.listen-copy p strong { color: var(--text); font-weight: 400; }
.listen-link { display: inline-flex; align-items: center; gap: 10px; margin-top: 24px; font-size: var(--fs-xs); letter-spacing: 0.16em; text-transform: uppercase; }
.sc-wrap { border: 1px solid var(--rule); padding: 16px; background: var(--card); }
.sc-wrap iframe { display: block; width: 100%; border: 0; height: 200px; }

/* Music — Tracks & YouTube */
.tracks-list { display: flex; flex-direction: column; gap: 2px; max-width: 1000px; }
.track-item {
  background: var(--card); padding: 20px 28px;
  display: grid; grid-template-columns: 1fr auto;
  align-items: center; gap: 20px;
  border: 1px solid var(--rule);
}
.track-title { font-size: var(--fs); color: var(--text); font-weight: 300; }
.track-meta  { font-size: var(--fs-xxs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-top: 4px; }
.track-audio { width: 260px; }
.track-audio audio { width: 100%; }
.upload-hint {
  margin-top: 24px; font-size: var(--fs-xs); line-height: 1.8;
  color: var(--muted); border-left: 2px solid var(--rule); padding-left: 16px;
  max-width: 560px;
}
.upload-hint code { font-size: var(--fs-xs); color: var(--accent-soft); letter-spacing: 0.05em; }

.yt-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 2px; max-width: 1000px; }
.yt-item { background: var(--card); border: 1px solid var(--rule); overflow: hidden; }
.yt-item iframe { display: block; width: 100%; aspect-ratio: 16/9; border: 0; }
.yt-item-label { padding: 16px 20px; font-size: var(--fs-sm); color: var(--muted); }
.yt-item-label strong { color: var(--text); font-weight: 400; display: block; margin-bottom: 4px; }

.live-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2px; max-width: 1000px;
}
.live-card { background: var(--card); padding: 36px 32px; transition: background 0.3s; border: 1px solid var(--rule); }
.live-card:hover { background: var(--hover-surface); }
.live-card-year { font-size: var(--fs-xxs); letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); margin-bottom: 16px; }
.live-card h3 { font-size: var(--fs); font-weight: 400; color: var(--text); margin-bottom: 10px; }
.live-card p { font-size: var(--fs); line-height: 1.8; color: var(--muted); }

/* ── RESEARCH PAGE ── */
.interests-layout {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; max-width: 1100px; align-items: start;
}
.interests-stats { display: flex; flex-direction: column; gap: 40px; padding-top: 8px; }
.interests-text h2 { font-size: var(--fs-h2); font-weight: 300; line-height: 1.15; letter-spacing: -0.015em; margin-bottom: 28px; overflow: visible; }
.interests-text h2 em { font-style: italic; color: var(--accent); font-family: var(--serif); }
.interests-text p { font-size: var(--fs); line-height: 1.95; color: var(--muted); margin-bottom: 20px; }
.interests-text p strong { color: var(--text); font-weight: 400; }
.stat-item { border-left: 1px solid var(--rule); padding-left: 24px; }
.stat-num { font-size: 40px; font-weight: 300; color: var(--text); letter-spacing: -0.03em; line-height: 1; }
.stat-label { font-size: var(--fs-xs); letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); margin-top: 6px; }

.github-layout {
  display: grid; grid-template-columns: 300px 1fr;
  gap: 48px; max-width: 1100px; align-items: start;
}

.projects-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 2px; max-width: 1100px;
}
.project-card {
  background: var(--card); padding: 44px 40px;
  position: relative; overflow: hidden; transition: background 0.3s;
}
.project-card:hover { background: var(--hover-surface); }
.project-card::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
  background: var(--accent); transform: scaleX(0); transition: transform 0.4s ease; transform-origin: left;
}
.project-card:hover::after { transform: scaleX(1); }
.project-icon { font-size: 24px; margin-bottom: 18px; color: var(--accent); font-family: var(--serif); font-style: italic; opacity: 0.7; }
.project-tag { font-size: var(--fs-xs); letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
.project-card h3 { font-size: var(--fs); font-weight: 400; color: var(--text); margin-bottom: 12px; }
.project-card p { font-size: var(--fs-sm); line-height: 1.85; color: var(--muted); }
.project-detail { margin-top: 20px; font-size: var(--fs-xs); letter-spacing: 0.12em; color: var(--muted); border-top: 1px solid var(--rule); padding-top: 16px; }

.thesis-layout {
  display: grid; grid-template-columns: 1fr 300px;
  gap: 80px; max-width: 1100px; align-items: start;
}
.thesis-copy h2 { font-size: var(--fs-h2); font-weight: 300; line-height: 1.15; letter-spacing: -0.015em; margin-bottom: 28px; overflow: visible; }
.thesis-copy h2 em { font-style: italic; color: var(--accent); font-family: var(--serif); }
.thesis-copy p { font-size: var(--fs); line-height: 1.95; color: var(--muted); margin-bottom: 18px; }
.thesis-copy p strong { color: var(--text); font-weight: 400; }
.thesis-stack h3 { font-size: var(--fs-xxs); letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--rule); }
.stack-item { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--rule); }
.stack-name { font-size: var(--fs); color: var(--text); font-weight: 300; }
.stack-bar-wrap { width: 80px; height: 2px; background: var(--edge); }
.stack-bar { height: 100%; background: var(--accent); transform-origin: left; transform: scaleX(0); transition: transform 1.2s ease; }
.module-list { display: flex; flex-direction: column; gap: 10px; margin-top: 28px; }
.module-item { display: flex; justify-content: space-between; align-items: baseline; padding: 12px 16px; background: var(--card); }
.module-name { font-size: var(--fs-sm); color: var(--text); }
.module-score { font-size: var(--fs-xs); letter-spacing: 0.1em; color: var(--accent); }

.phd-layout { max-width: 1100px; }
.phd-header h2 { font-size: var(--fs-h2); font-weight: 300; line-height: 1.15; letter-spacing: -0.015em; margin-bottom: 24px; overflow: visible; }
.phd-header h2 em { font-style: italic; color: var(--accent); font-family: var(--serif); }
.phd-header p { font-size: var(--fs); line-height: 1.9; color: var(--muted); }
.phd-header p strong { color: var(--text); font-weight: 400; }
.phd-interests {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 2px; margin-top: 48px;
}
.phd-int { background: var(--card); padding: 32px 28px; transition: background 0.3s; }
.phd-int:hover { background: var(--hover-surface); }
.phd-int-icon { font-size: 20px; color: var(--accent); margin-bottom: 14px; font-family: var(--serif); font-style: italic; }
.phd-int h3 { font-size: var(--fs); font-weight: 400; color: var(--text); margin-bottom: 10px; }
.phd-int p { font-size: var(--fs); line-height: 1.8; color: var(--muted); }

/* ── BLOG PAGE ── */
.posts-layout {
  display: grid; grid-template-columns: 1fr 240px;
  gap: 80px; max-width: 1100px; align-items: start;
}
.featured-card {
  background: var(--card); padding: 56px;
  position: relative; overflow: hidden; cursor: pointer;
  transition: background 0.3s; max-width: 1100px;
  text-decoration: none; display: block;
}
.featured-card:hover { background: var(--hover-surface); }
.featured-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: var(--accent); transform: scaleX(0); transition: transform 0.5s ease; transform-origin: left;
}
.featured-card:hover::before { transform: scaleX(1); }
.feat-meta { display: flex; gap: 24px; align-items: center; margin-bottom: 28px; }
.feat-tag  { font-size: var(--fs-xxs); letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); }
.feat-date { font-size: var(--fs-xxs); letter-spacing: 0.14em; color: var(--muted); }
.featured-card h2 { font-size: clamp(24px, 3.5vw, 40px); font-weight: 300; line-height: 1.15; letter-spacing: -0.015em; margin-bottom: 20px; color: var(--text); overflow: visible; }
.featured-card h2 em { font-style: italic; color: var(--accent); font-family: var(--serif); }
.featured-card p { font-size: var(--fs); line-height: 1.95; color: var(--muted); max-width: 60ch; }
.feat-footer { margin-top: 32px; display: flex; align-items: center; gap: 12px; }
.read-label { font-size: var(--fs-xs); letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); transition: color 0.3s; }
.featured-card:hover .read-label { color: var(--accent); }
.read-arrow { color: var(--accent); transition: transform 0.3s; }
.featured-card:hover .read-arrow { transform: translateX(6px); }

.post-item {
  padding: 36px 0; border-bottom: 1px solid var(--rule);
  transition: all 0.3s; display: grid;
  grid-template-columns: 32px 1fr; gap: 28px; align-items: start;
  text-decoration: none;
}
.post-item:hover .post-title { color: var(--accent); }
.post-num  { font-size: var(--fs-xs); letter-spacing: 0.14em; color: var(--muted); padding-top: 4px; }
.post-meta { display: flex; gap: 16px; margin-bottom: 10px; }
.post-tag  { font-size: var(--fs-xxs); letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); }
.post-date { font-size: var(--fs-xxs); letter-spacing: 0.12em; color: var(--muted); }
.post-title  { font-size: var(--fs); font-weight: 400; color: var(--text); letter-spacing: -0.01em; line-height: 1.3; margin-bottom: 10px; transition: color 0.3s; }
.post-excerpt{ font-size: var(--fs); line-height: 1.85; color: var(--muted); }
.post-read { margin-top: 14px; font-size: var(--fs-xxs); letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); display: flex; align-items: center; gap: 8px; transition: color 0.3s; }
.post-item:hover .post-read { color: var(--accent); }

/* Sidebar */
.sidebar-title { font-size: var(--fs-xxs); letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--rule); width: 100%; }
.sidebar-section { margin-bottom: 44px; display: flex; flex-direction: column; align-items: flex-start; }
.sidebar-tags { display: flex; flex-direction: column; gap: 6px; width: 100%; }
.sidebar-tag {
  display: block; width: 100%; font-size: var(--fs-xxs); letter-spacing: 0.12em;
  text-transform: uppercase; padding: 9px 14px;
  border: 1px solid var(--rule); color: var(--muted);
  cursor: pointer; transition: all 0.3s; text-align: left;
}
.sidebar-tag:hover, .sidebar-tag.active { border-color: var(--accent); color: var(--accent); }
.sidebar-link {
  display: block; font-size: var(--fs-sm); padding: 10px 0;
  border-bottom: 1px solid var(--rule);
  width: 100%;
}

/* ── ESSAY / ARTICLE PAGE ── */
.article-hero {
  min-height: 44vh;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--nav-h) + 80px) var(--pad-x) 72px;
  overflow: visible;
}
.article-hero > div { max-width: 720px; }
.article-meta { display: flex; gap: 20px; align-items: center; margin-bottom: 20px; }
.article-tag { font-size: var(--fs-xxs); letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); }
.article-date { font-size: var(--fs-xxs); letter-spacing: 0.14em; color: var(--muted); }
.article-hero h1 {
  font-size: clamp(32px, 4.5vw, 56px);
  font-weight: 300; line-height: 1.1;
  letter-spacing: -0.015em; color: var(--text); overflow: visible;
}
.article-hero h1 em { font-style: italic; color: var(--accent); font-family: var(--serif); }

/* Article body */
.article-body {
  max-width: 640px;
  margin: 0 var(--pad-x) 0;
  padding: 0 0 96px;
  font-size: var(--fs);
  line-height: 2;
  letter-spacing: 0.01em;
  color: var(--text);
}
.article-body p { max-width: none; margin-bottom: 32px; color: var(--muted); }
.article-body p strong { color: var(--text); font-weight: 400; }
.article-body h2 {
  font-size: clamp(19px, 2.5vw, 26px); font-weight: 300; color: var(--text);
  margin: 60px 0 20px; letter-spacing: -0.01em; line-height: 1.2; overflow: visible;
}
.article-body h2 em { font-style: italic; color: var(--accent); font-family: var(--serif); }
.article-body h3 {
  font-size: var(--fs-xs); font-weight: 500; color: var(--muted);
  margin: 44px 0 14px; letter-spacing: 0.18em; text-transform: uppercase;
}
.article-body blockquote {
  border-left: 1px solid var(--accent); padding-left: 24px;
  color: var(--muted); font-style: italic; margin: 40px 0;
}

.article-placeholder { padding: 0; background: none; border: none; margin-bottom: 24px; }
.article-placeholder p { color: var(--muted); margin: 0 0 32px; }

.article-back {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: var(--fs-xs); letter-spacing: 0.16em; text-transform: uppercase; margin-top: 24px;
}

/* Images */
.article-content img { max-width: 100%; height: auto; margin: 8px 0 24px; }

/* PDF */
.pdf-embed { margin: 40px 0; }
.pdf-embed iframe { width: 100%; height: 85vh; border: none; display: block; background: #111; }

/* ── INSTAGRAM SECTION ── */
.insta-block { max-width: 480px; }
.insta-handle {
  font-size: clamp(36px, 5vw, 64px); font-weight: 300;
  letter-spacing: -0.02em; color: var(--text); line-height: 1; margin-bottom: 16px;
}
.insta-desc { font-size: var(--fs); line-height: 1.85; color: var(--muted); max-width: none; margin-bottom: 0; }

/* ── ANIMATIONS ── */
@keyframes fadeUp    { from { opacity:0; transform:translateY(22px) } to { opacity:1; transform:none } }
@keyframes fadeIn    { from { opacity:0 } to { opacity:1 } }
@keyframes scrollPulse { 0%,100%{opacity:1;transform:scaleY(1)} 50%{opacity:0.3;transform:scaleY(0.5)} }
@keyframes pulse     { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.4;transform:scale(0.7)} }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.visible { opacity: 1; transform: none; }
.d1 { transition-delay: 0.08s; }
.d2 { transition-delay: 0.16s; }
.d3 { transition-delay: 0.24s; }
.d4 { transition-delay: 0.32s; }
.d5 { transition-delay: 0.40s; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  :root {
    --pad-x: 24px;
    --pad-section: 60px;
    --fs:    16px;
    --fs-lg: 20px;
  }

  nav { padding: 0 var(--pad-x); }
  .nav-links { display: none; }

  .page-hero,
  .article-hero { padding: calc(var(--nav-h) + 40px) var(--pad-x) 56px; }

  .article-body { margin: 0 var(--pad-x); padding: 0 0 60px; }

  #hero { grid-template-columns: 1fr; padding: calc(var(--nav-h) + 20px) var(--pad-x) 80px; }
  .hero-right { display: none; }

  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .explore-grid { grid-template-columns: 1fr; }

  .gallery-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 160px; }
  .g-item:nth-child(n) { grid-column: span 1; grid-row: span 1; }

  .album-layout,
  .listen-layout,
  .instruments-layout,
  .interests-layout,
  .thesis-layout,
  .posts-layout,
  .github-layout { grid-template-columns: 1fr; gap: 40px; }

  .projects-grid,
  .phd-interests { grid-template-columns: 1fr; }

  .track-item { grid-template-columns: 1fr; }
  .track-audio { width: 100%; }

  footer { flex-direction: column; gap: 12px; padding: 24px; text-align: center; }
}