/* ============================================
   Katyani Singh · Single-page site
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500;1,600&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {

  --bg: #ffffff;
  --bg-2: #f2f2f2;
  --bg-card: #ffffff;
  --bg-soft: #f7f7f7;
  --ink: #000000;
  --ink-2: #1a1a1a;
  --ink-3: #4d4d4d;
  --ink-4: #8a8a8a;
  --rule: #e0e0e0;
  --rule-2: #cccccc;
  --accent: #000000;
  --accent-2: #333333;
  --accent-soft: #e8e8e8;
  --pink-deep: #d9d9d9;
  --pink-deep-2: #bfbfbf;

  /* type */
  --display: 'Cormorant Garamond', 'Iowan Old Style', Georgia, serif;
  --serif: 'Cormorant Garamond', 'Iowan Old Style', Georgia, serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --max: 1200px;
  --col: 720px;
  --pad-section: 3.75rem;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  font-feature-settings: "kern", "liga", "onum";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }

p { margin: 0 0 1rem; }
em { font-style: italic; }
strong { font-weight: 600; color: var(--ink); }

mark.stat {
  background: white;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.92em;
  padding: 0.05em 0.4em;
  border-radius: 2px;
  font-weight: 500;
  border: 1px solid var(--rule);
}

/* ============ NAV ============ */
.sp-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 2.5rem;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.12);
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.sp-brand {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.25rem;
  color: var(--ink);
  letter-spacing: 0.02em;
  text-transform: none;
  font-style: italic;
}
.sp-brand .first { font-style: normal; font-weight: 400; }
.sp-nav-links {
  display: flex;
  gap: 2rem;
}
.sp-nav-links a {
  color: var(--ink-2);
  font-weight: 500;
  letter-spacing: 0.12em;
  position: relative;
  padding: 0.25rem 0;
  transition: color 0.15s ease;
  font-size: 0.72rem;
}
.sp-nav-links a:hover { color: var(--accent); }
.sp-nav-links a.active {
  color: var(--accent);
}
.sp-nav-links a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -3px;
  height: 1px;
  background: var(--accent);
}
@media (max-width: 880px) {
  .sp-nav-links { display: none; }
}

/* ============ MAIN ============ */
.sp-main { padding-top: 4rem; }

.sp-section {
  max-width: var(--max);
  margin: 0 auto;
  padding: var(--pad-section) 2.5rem;
}
.sp-section + .sp-section {
  border-top: 1px solid var(--rule);
}

.eyebrow {
  font-family: var(--sans);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
  font-weight: 500;
}

.sp-section-head {
  margin-bottom: 2.25rem;
  max-width: var(--col);
}
.sp-section-head h2 {
  font-family: var(--display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  color: var(--ink);
}
.sp-section-head h2 em {
  font-style: italic;
  color: var(--accent);
  font-weight: 500;
}
.sp-section-lede {
  color: var(--ink-2);
  font-family: var(--display);
  font-size: 1.35rem;
  font-style: italic;
  line-height: 1.45;
  margin: 0;
  max-width: 640px;
}

.sp-sub {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.85rem;
  margin: 3rem 0 1.5rem;
  color: var(--ink);
  letter-spacing: -0.015em;
}
.sp-sub em { font-style: italic; color: var(--accent); }

/* ============ HERO ============ */
.sp-hero { padding-top: 7rem; padding-bottom: 4rem; }
.sp-hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 5rem;
  align-items: center;
}
.sp-hero-text { padding-right: 1rem; }
.sp-hero .eyebrow { margin-bottom: 1.5rem; }
.sp-display {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(3.5rem, 7vw, 6.5rem);
  line-height: 0.95;
  letter-spacing: -0.025em;
  margin: 0 0 2rem;
  color: var(--ink);
}
.sp-display em {
  font-style: italic;
  color: var(--accent);
  font-weight: 500;
}
.sp-display .row-2 { display: block; padding-left: 1.2em; }
.sp-tag {
  font-family: var(--display);
  font-size: 1.55rem;
  line-height: 1.4;
  color: var(--ink-2);
  margin: 0 0 2rem;
  font-style: italic;
  max-width: 540px;
  font-weight: 400;
}
.sp-bio { color: var(--ink-2); font-size: 1.0625rem; line-height: 1.7; }
.sp-bio p { margin-bottom: 0.85rem; }
.sp-cta-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}
.btn-primary, .btn-ghost {
  display: inline-flex;
  align-items: center;
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.95rem 1.5rem;
  border-radius: 0;
  border: 1px solid transparent;
  text-decoration: none;
  transition: all 0.2s ease;
}
.btn-primary {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.btn-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}
.btn-ghost {
  color: var(--ink);
  border-color: var(--ink);
  background: transparent;
}
.btn-ghost:hover {
  color: var(--bg);
  background: var(--ink);
  border-color: var(--ink);
}

.sp-portrait-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.sp-portrait-frame {
  position: relative;
  background: var(--bg-2);
  border-radius: 50%;
  overflow: hidden;
  width: 100%;
  max-width: 420px;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--rule-2);
}
.sp-portrait {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  display: block;
  filter: contrast(1.02) saturate(1.05);
}
.sp-portrait-tag {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  background: white;
  padding: 0.5rem 0.85rem;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  z-index: 2;
  border: 1px solid var(--rule);
}
.sp-portrait-caption {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-top: 1rem;
  padding: 0 0.1rem;
}

.sp-quick-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 5rem;
  border-top: 1px solid var(--rule-2);
  border-bottom: 1px solid var(--rule-2);
}
.sp-quick-stats > div {
  padding: 2rem 1.5rem;
  text-align: center;
  border-right: 1px solid var(--rule);
}
.sp-quick-stats > div:last-child { border-right: none; }
.qs-num {
  font-family: var(--display);
  font-size: 3rem;
  font-weight: 400;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.02em;
  font-style: italic;
}
.qs-lbl {
  font-family: var(--sans);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ink-3);
  margin-top: 0.85rem;
  font-weight: 500;
}

@media (max-width: 880px) {
  .sp-hero-grid { grid-template-columns: 1fr; gap: 3rem; }
  .sp-quick-stats { grid-template-columns: repeat(3, 1fr); }
  /* .sp-quick-stats > div:nth-child(2) { border-right: none; } */
  /* .sp-quick-stats > div:nth-child(-n+2) { border-bottom: 1px solid var(--rule); } */
}

/* ============ RESEARCH ============ */
.vision {
  background: var(--bg-soft);
  padding: 3rem 3.5rem;
  margin-bottom: 3rem;
  position: relative;
  border: 1px solid var(--rule);
}
.vision::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0; left: 0;
  width: 3px;
  background: var(--accent);
}
.vision .label {
  font-family: var(--sans);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--accent);
  margin-bottom: 1rem;
  font-weight: 500;
}
.vision h3 {
  font-family: var(--display);
  font-weight: 500;
  font-size: 2rem;
  line-height: 1.2;
  margin: 0 0 1.5rem;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.vision h3 em { font-style: italic; color: var(--accent); }
.vision p { color: var(--ink-2); margin-bottom: 1rem; line-height: 1.7; }
.vision p:last-child { margin-bottom: 0; }

.interests {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.interest {
  font-family: var(--sans);
  font-size: 0.78rem;
  padding: 0.55rem 1rem;
  background: var(--bg-soft);
  border: 1px solid var(--rule);
  color: var(--ink-2);
  letter-spacing: 0.04em;
  border-radius: 100px;
}

.roadmap {
  display: grid;
  grid-template-columns: 130px 1fr;
  row-gap: 1.5rem;
  column-gap: 2rem;
  margin-top: 1.5rem;
}
.roadmap .yr {
  font-family: var(--display);
  font-style: italic;
  font-size: 1.4rem;
  color: var(--accent);
  padding-top: 0.15rem;
  letter-spacing: -0.01em;
}
.roadmap .desc {
  color: var(--ink-2);
  border-left: 1px solid var(--rule-2);
  padding-left: 2rem;
  font-size: 1.0625rem;
  line-height: 1.6;
}

/* ============ EXPAND CARDS ============ */
.xcard {
  background: var(--bg-soft);
  margin-bottom: 0.75rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  border: 1px solid var(--rule);
}
.xcard.open { box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08); }
.xcard-head {
  display: flex;
  width: 100%;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.75rem 2rem;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  text-align: left;
  color: inherit;
  transition: background 0.15s ease;
}
.xcard-head:hover { background: var(--bg-2); }
.xcard-summary { flex: 1; }
.xcard-toggle {
  font-family: var(--display);
  font-size: 1.8rem;
  color: var(--accent);
  font-weight: 300;
  line-height: 1;
  margin-top: 0.15rem;
  flex-shrink: 0;
}
.xcard-body {
  padding: 0 2rem 2rem;
  border-top: 1px solid var(--rule);
  padding-top: 1.5rem;
  color: var(--ink-2);
  font-size: 1.0625rem;
  line-height: 1.7;
}

.pub-venue {
  font-family: var(--sans);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 0.65rem;
  font-weight: 500;
}
.pub-title {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.5rem;
  line-height: 1.25;
  margin: 0 0 0.5rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.pub-authors {
  font-style: italic;
  color: var(--ink-3);
  font-size: 1rem;
  font-family: var(--display);
}
.pub-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1.25rem 0;
}
.tag {
  font-family: var(--sans);
  font-size: 0.7rem;
  padding: 0.3rem 0.75rem;
  background: var(--bg-2);
  color: var(--ink-3);
  border-radius: 100px;
  letter-spacing: 0.04em;
}
.pub-link {
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
}

/* ============ INDUSTRY ============ */
.industry-card {
  background: var(--bg-soft);
  padding: 3rem 3.5rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--rule);
}
.industry-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 1.75rem;
}
.industry-role {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.75rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.industry-company { font-size: 1.0625rem; color: var(--ink-2); margin-top: 0.35rem; }
.industry-meta { color: var(--ink-3); font-size: 0.95rem; }
.industry-dates {
  font-family: var(--display);
  font-style: italic;
  font-size: 1.4rem;
  color: var(--accent);
}
.impact-list {
  margin: 0;
  padding-left: 0;
  list-style: none;
  color: var(--ink-2);
}
.impact-list li {
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--rule);
  line-height: 1.6;
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 0.75rem;
}
.impact-list li:last-child { border-bottom: none; }
.impact-list li::before {
  content: '✦';
  color: var(--accent);
  font-size: 0.75rem;
  padding-top: 0.4rem;
}
.industry-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}
.industry-stack span {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--ink-3);
  padding: 0.3rem 0.65rem;
  background: var(--bg-2);
  border-radius: 2px;
  letter-spacing: 0.04em;
}

.media-item {
  display: block;
  background: var(--ink);
  color: var(--bg);
  padding: 2rem 2.5rem;
  text-decoration: none;
  transition: background 0.15s ease;
}
.media-item:hover { background: var(--accent-2); color: white; }
.media-source {
  font-family: var(--sans);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--pink-deep);
  margin-bottom: 0.85rem;
  font-weight: 500;
}
.media-item:hover .media-source { color: var(--accent-soft); }
.media-headline {
  font-family: var(--display);
  font-size: 1.55rem;
  line-height: 1.3;
  font-weight: 500;
  color: var(--bg);
  margin-bottom: 0.65rem;
  letter-spacing: -0.01em;
}
.media-item:hover .media-headline { color: white; }
.media-meta {
  font-family: var(--display);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--pink-deep);
}
.media-item:hover .media-meta { color: var(--accent-soft); }

/* ============ SHOWCASE ============ */
.showcase {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.showcase-card {
  background: var(--bg-soft);
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease;
  border: 1px solid var(--rule);
}
.showcase-card-row {
  flex-direction: row;
  align-items: stretch;
}
.showcase-card-row .showcase-media {
  flex: 0 0 38%;
  aspect-ratio: auto;
  min-height: 180px;
}
.showcase-card-row .showcase-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem 2.5rem;
}
.showcase-card:hover { transform: translateY(-4px); }
.showcase-media {
  width: 100%;
  aspect-ratio: 16/10;
  background: var(--bg-2);
  display: grid;
  overflow: hidden;
}
.showcase-media img,
.showcase-media video {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.showcase-media.split { grid-template-columns: 1fr 1fr; gap: 1px; background: var(--rule); }
.showcase-media.triple { grid-template-columns: 1fr 1fr 1fr; gap: 1px; background: var(--rule); }
.showcase-media.contain { background: #fafafa; }
.showcase-media.contain img,
.showcase-media.contain video { object-fit: contain; padding: 0.5rem; background: #fafafa; }

.showcase-body { padding: 1.75rem 2rem 2rem; }
.showcase-marker {
  font-family: var(--sans);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--accent);
  margin-bottom: 0.6rem;
  font-weight: 500;
}
.showcase-body h3 {
  font-family: var(--display);
  font-size: 1.6rem;
  font-weight: 500;
  margin: 0 0 0.6rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.2;
}
.showcase-body p {
  color: var(--ink-2);
  font-size: 1.0625rem;
  margin: 0;
  line-height: 1.55;
}
.topics { display: flex; flex-wrap: wrap; gap: 0.35rem; }

@media (max-width: 800px) {
  .showcase-card-row { flex-direction: column; }
  .showcase-card-row .showcase-media { flex: none; aspect-ratio: 16/10; }
  .showcase-card-row .showcase-body { padding: 1.5rem; }
}

/* ============ EARLIER PROJECTS ============ */
.proj-list {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.proj-row {
  background: var(--bg-soft);
  padding: 2rem 2.25rem;
  border: 1px solid var(--rule);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.proj-row:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px -12px rgba(0,0,0,0.18);
}
.proj-row h4 {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.5rem;
  margin: 0 0 0.6rem;
  color: var(--ink);
  letter-spacing: -0.01em;
  line-height: 1.25;
}
.proj-row p { color: var(--ink-2); margin: 0; font-size: 1.0125rem; line-height: 1.6; }

@media (max-width: 700px) {
  .proj-row { gap: 0.5rem; }
}

/* ============ TEACHING ============ */
.gpa-row { display: flex; gap: 1.5rem; margin-bottom: 2.5rem; }
.gpa-card {
  background: var(--ink);
  color: var(--bg);
  padding: 2.25rem 2.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  flex: 1;
}
.gpa-num {
  font-family: var(--display);
  font-size: 4rem;
  font-weight: 400;
  line-height: 1;
  color: var(--bg);
  letter-spacing: -0.02em;
  font-style: italic;
}
.gpa-num span { font-size: 1.6rem; color: var(--ink-4); margin-left: 0.2rem; font-style: normal; }
.gpa-lbl {
  font-family: var(--display);
  font-size: 1.2rem;
  color: var(--bg);
  font-style: italic;
  line-height: 1.4;
}

.course-list { margin-bottom: 2rem; }
.course {
  display: grid;
  grid-template-columns: 130px 1fr 60px;
  gap: 1.5rem;
  align-items: baseline;
  padding: 1.25rem 0;
  border-top: 1px solid var(--rule-2);
}
.course:last-child { border-bottom: 1px solid var(--rule-2); }
.course-code {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.06em;
}
.course-name {
  font-family: var(--display);
  font-size: 1.2rem;
  color: var(--ink);
}
.course-grade {
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink-2);
  text-align: right;
}

.ta-list {
  margin-top: 1rem;
  background: var(--bg-soft);
  padding: 2.25rem 3rem;
  border: 1px solid var(--rule);
}
.ta-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--rule);
}
.ta-row:first-child { border-top: none; padding-top: 0; }
.ta-row:last-child { padding-bottom: 0; }
.ta-dates {
  font-family: var(--display);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--accent);
  padding-top: 0.1rem;
}
.ta-course {
  color: var(--ink-2);
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
}
.ta-course:last-child { margin-bottom: 0; }
.ta-course strong {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.85em;
  margin-right: 0.6rem;
  letter-spacing: 0.04em;
}

@media (max-width: 700px) {
  .course { grid-template-columns: 100px 1fr 40px; gap: 0.8rem; }
  .ta-row { grid-template-columns: 1fr; gap: 0.4rem; }
}

/* ============ CV ============ */
.cv-block {
  margin-bottom: 3rem;
}
.cv-block h3 {
  font-family: var(--display);
  font-size: 1.85rem;
  font-weight: 500;
  margin: 0 0 1.25rem;
  color: var(--ink);
  letter-spacing: -0.015em;
  font-style: italic;
}
.cv-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 2rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--rule-2);
}
.cv-row:last-child { border-bottom: 1px solid var(--rule-2); }
.cv-yr {
  font-family: var(--display);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--accent);
  padding-top: 0.15rem;
}
.cv-title {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.35rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.cv-org { color: var(--ink-2); font-size: 1.0125rem; margin-top: 0.25rem; }
.cv-meta { color: var(--ink-3); font-size: 0.95rem; margin-top: 0.4rem; }
.cv-awards {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--ink-2);
  font-size: 1.05rem;
}
.cv-awards li { padding: 0.5rem 0; }

@media (max-width: 700px) {
  .cv-row { grid-template-columns: 1fr; gap: 0.5rem; }
}

/* ============ CONTACT ============ */
.sp-contact { padding-bottom: 4rem; }
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 3rem;
}
.contact-card {
  display: block;
  background: var(--bg-soft);
  padding: 1.75rem 2rem;
  text-decoration: none;
  color: var(--ink);
  transition: all 0.2s ease;
  border: 1px solid var(--rule);
}
.contact-card:hover {
  background: var(--ink);
  color: var(--bg);
}
.cc-label {
  font-family: var(--sans);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--accent);
  margin-bottom: 0.6rem;
  font-weight: 500;
}
.contact-card:hover .cc-label { color: var(--pink-deep); }
.cc-val {
  font-family: var(--display);
  font-size: 1.4rem;
  color: var(--ink);
  font-weight: 500;
}
.contact-card:hover .cc-val { color: var(--bg); }

.sp-foot {
  font-family: var(--display);
  font-style: italic;
  font-size: 1rem;
  color: var(--ink-3);
  text-align: center;
  padding-top: 2.5rem;
  border-top: 1px solid var(--rule-2);
}

@media (max-width: 700px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ============ TWEAK MODES ============ */
body[data-density="compact"] { --pad-section: 2.5rem; }
body[data-density="cozy"]    { --pad-section: 5.5rem; }

body[data-font="sans"]  { --display: var(--sans); }
body[data-font="mono"]  { --display: var(--mono); }

body[data-accent="ochre"]   { --accent: #b8862b; --accent-2: #8b6520; --accent-soft: #f7ecd1; }
body[data-accent="forest"]  { --accent: #4a7a3e; --accent-2: #355a2c; --accent-soft: #e3eddf; }
body[data-accent="ink"]     { --accent: #2d2926; --accent-2: #1a1715; --accent-soft: #e8e3da; }

body[data-theme="dark"] {
  --bg: #0d0d0d;
  --bg-2: #1a1a1a;
  --bg-card: #171717;
  --bg-soft: #141414;
  --ink: #ffffff;
  --ink-2: #e6e6e6;
  --ink-3: #a6a6a6;
  --ink-4: #737373;
  --rule: #333333;
  --rule-2: #404040;
}
body[data-theme="dark"] .vision,
body[data-theme="dark"] .industry-card,
body[data-theme="dark"] .xcard,
body[data-theme="dark"] .showcase-card,
body[data-theme="dark"] .contact-card,
body[data-theme="dark"] .interest { background: var(--bg-card); }
body[data-theme="dark"] mark.stat { background: var(--bg-card); }
body[data-theme="dark"] .sp-nav { background: rgba(13, 13, 13, 0.92); }
body[data-theme="dark"] .gpa-card,
body[data-theme="dark"] .media-item { background: #000; }
body[data-theme="dark"] .btn-primary { background: var(--accent); border-color: var(--accent); color: var(--bg); }
body[data-theme="dark"] .btn-ghost { color: var(--ink); border-color: var(--ink); }
body[data-theme="dark"] .btn-ghost:hover { background: var(--ink); color: var(--bg); }
body[data-theme="dark"] .industry-stack span,
body[data-theme="dark"] .tag { background: var(--bg-soft); }