/* === Nitin Garg Portfolio — Design System === */

:root {
  --bg: #FAFAF7;
  --ink: #0A0A0A;
  --ink-2: #1A1A1A;
  --muted: #6B6B66;
  --line: #E5E3DC;
  --line-2: #D8D5CC;
  --paper: #F2EFE7;
  --accent: #047857;
  --accent-deep: #065F46;
  --accent-soft: rgba(4, 120, 87, 0.08);

  --font-sans: "Hanken Grotesk", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --max-w: 1440px;
  --pad-x: clamp(20px, 4vw, 64px);
}

/* === Palettes (drive --accent via data-palette on <html>) === */
:root[data-palette="cobalt"] {
  --accent: #2540DE;
  --accent-deep: #1E36BD;
  --accent-soft: rgba(37, 64, 222, 0.08);
}
:root[data-palette="indigo"] {
  --accent: #4F46E5;
  --accent-deep: #4338CA;
  --accent-soft: rgba(79, 70, 229, 0.08);
}
:root[data-palette="emerald"] {
  --accent: #047857;
  --accent-deep: #065F46;
  --accent-soft: rgba(4, 120, 87, 0.08);
}
:root[data-palette="crimson"] {
  --accent: #E63946;
  --accent-deep: #C42F3B;
  --accent-soft: rgba(230, 57, 70, 0.08);
}
:root[data-palette="graphite"] {
  --accent: #18181B;
  --accent-deep: #000000;
  --accent-soft: rgba(0, 0, 0, 0.06);
}

[data-theme="dark"] {
  --bg: #0A0A0A;
  --ink: #FAFAF7;
  --ink-2: #E8E6DF;
  --muted: #8A8A85;
  --line: #1F1F1E;
  --line-2: #2A2A28;
  --paper: #141413;
}

/* Dark-mode accent boosts — brighter so they cut on dark bg */
:root[data-palette="cobalt"][data-theme="dark"] {
  --accent: #5B7BFF;
  --accent-deep: #7892FF;
  --accent-soft: rgba(91, 123, 255, 0.12);
}
:root[data-palette="indigo"][data-theme="dark"] {
  --accent: #818CF8;
  --accent-deep: #A5B4FC;
  --accent-soft: rgba(129, 140, 248, 0.12);
}
:root[data-palette="emerald"][data-theme="dark"] {
  --accent: #2DD4A4;
  --accent-deep: #6EE7B7;
  --accent-soft: rgba(45, 212, 164, 0.12);
}
:root[data-palette="crimson"][data-theme="dark"] {
  --accent: #FF4756;
  --accent-deep: #FF6B77;
  --accent-soft: rgba(255, 71, 86, 0.12);
}
:root[data-palette="graphite"][data-theme="dark"] {
  --accent: #FAFAF7;
  --accent-deep: #E8E6DF;
  --accent-soft: rgba(255, 255, 255, 0.08);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-feature-settings: "ss01", "ss02", "cv11";
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.45;
  transition: background-color 0.4s ease, color 0.4s ease;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; }

/* === Layout === */
.shell {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

/* === Nav === */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 18px var(--pad-x);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.nav.scrolled { border-bottom-color: var(--line); }

.nav-logo {
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo .dot {
  width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 2px;
  display: inline-block;
}

.nav-links {
  display: flex;
  gap: 36px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.nav-links a {
  color: var(--ink-2);
  position: relative;
  padding: 4px 0;
  transition: color 0.2s ease;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.3s ease;
}
.nav-links a:hover { color: var(--accent); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.25s ease;
  font-family: inherit;
}
.btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn-arrow { transition: transform 0.25s ease; }
.btn:hover .btn-arrow { transform: translateX(3px); }

/* === Hero === */
.hero {
  padding: 140px var(--pad-x) 80px;
  position: relative;
  overflow: hidden;
}

.hero-meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.hero-meta .blink {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #22c55e;
  margin-right: 8px;
  animation: blink 2s infinite;
  vertical-align: middle;
}
@keyframes blink { 0%, 50% { opacity: 1; } 51%, 100% { opacity: 0.3; } }

.hero-name {
  font-size: clamp(56px, 11vw, 180px);
  font-weight: 800;
  line-height: 0.88;
  letter-spacing: -0.05em;
  margin-bottom: 24px;
}
.hero-name .accent { color: var(--accent); }
.hero-name .word { display: inline-block; overflow: hidden; vertical-align: top; }
.hero-name .word span {
  display: inline-block;
  transform: translateY(110%);
  animation: rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.hero-name .word:nth-child(2) span { animation-delay: 0.12s; }
@keyframes rise { to { transform: translateY(0); } }

.hero-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 64px;
  align-items: end;
  margin-top: 48px;
}

.hero-tag {
  font-size: clamp(17px, 1.6vw, 24px);
  line-height: 1.25;
  letter-spacing: -0.02em;
  font-weight: 500;
  max-width: 640px;
  color: var(--ink-2);
  text-wrap: balance;
}
.hero-tag .pill {
  display: inline-block;
  padding: 2px 12px;
  border: 1.5px solid var(--accent);
  color: var(--accent);
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.82em;
  margin: 0 4px;
  transform: translateY(-3px);
}

.hero-right {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-end;
}
.hero-photo {
  width: 220px;
  height: 280px;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.hero-photo img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.6s ease; }
.hero-photo:hover img { transform: scale(1.03); }

.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 32px;
  width: 100%;
}
.hero-stat {
  border-top: 1px solid var(--line);
  padding-top: 10px;
}
.hero-stat .n {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}
.hero-stat .l {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-top: 6px;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  right: var(--pad-x);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 10px;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}
.hero-scroll::after {
  content: "";
  width: 1px; height: 40px;
  background: var(--ink);
  animation: scroll-line 2s ease-in-out infinite;
}
@keyframes scroll-line {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* === Marquee === */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 28px 0;
  overflow: hidden;
  white-space: nowrap;
  background: var(--paper);
}
.marquee-track {
  display: inline-flex;
  gap: 56px;
  animation: marquee 40s linear infinite;
  padding-right: 56px;
}
.marquee-item {
  font-size: clamp(24px, 3.6vw, 46px);
  font-weight: 700;
  letter-spacing: -0.03em;
  display: inline-flex;
  align-items: center;
  gap: 56px;
}
.marquee-item::after {
  content: "";
  width: 14px; height: 14px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
}
@keyframes marquee { to { transform: translateX(-50%); } }

/* === Sections === */
section { padding: 120px var(--pad-x); }

.section-header {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  align-items: end;
  margin-bottom: 80px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.section-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-transform: uppercase;
}
.section-num::before {
  content: "";
  display: inline-block;
  width: 24px; height: 1px;
  background: var(--accent);
  vertical-align: middle;
  margin-right: 12px;
}
.section-title {
  font-size: clamp(32px, 4.6vw, 68px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin-top: 18px;
  text-wrap: balance;
}
.section-title .accent { color: var(--accent); }

.section-kicker {
  font-size: 16px;
  line-height: 1.55;
  color: var(--muted);
  max-width: 540px;
  text-wrap: pretty;
}

/* === About === */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}
.about-bio {
  font-size: clamp(17px, 1.4vw, 21px);
  line-height: 1.45;
  letter-spacing: -0.01em;
  font-weight: 400;
  text-wrap: pretty;
}
.about-bio strong { font-weight: 700; }
.about-bio .hl { background: var(--accent-soft); color: var(--accent); font-weight: 600; padding: 0 4px; }

.about-side {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.about-card {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 28px;
  background: var(--paper);
}
.about-card-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}
.about-card-value {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.about-card .accent { color: var(--accent); }

.competencies {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.chip {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-2);
  transition: all 0.2s ease;
}
.chip:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* === Skills === */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
.skill-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 32px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  padding-right: 32px;
  align-items: baseline;
  transition: background 0.2s ease;
}
.skill-row:nth-child(odd) { padding-left: 0; }
.skill-row:nth-child(even) { padding-left: 32px; border-left: 1px solid var(--line); }
.skill-row:hover .skill-cat { color: var(--accent); }

.skill-cat {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s ease;
}
.skill-list {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.5;
}
.skill-list .sep {
  color: var(--line-2);
  margin: 0 8px;
}

/* === Experience === */
.timeline {
  position: relative;
  margin-left: 12px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 0; top: 12px; bottom: 12px;
  width: 1px;
  background: var(--line-2);
}

.tl-item {
  position: relative;
  padding-left: 56px;
  padding-bottom: 64px;
}
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -5px; top: 8px;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--ink);
  transition: all 0.3s ease;
}
.tl-item.current::before {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 6px var(--accent-soft);
}

.tl-date {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.tl-role {
  font-size: clamp(20px, 2.2vw, 30px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  text-wrap: balance;
}
.tl-org {
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 15px;
  color: var(--muted);
  margin-top: 6px;
  flex-wrap: wrap;
}
.tl-org .org-name { color: var(--accent); font-weight: 600; }
.tl-desc {
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 760px;
  text-wrap: pretty;
}
.tl-tags {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* === Writing === */
.writing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.write-card {
  display: block;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 32px;
  background: var(--bg);
  transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}
.write-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 0;
}
.write-card:hover::before { transform: translateY(0); }
.write-card:hover { color: #fff; border-color: var(--accent); transform: translateY(-4px); }
.write-card:hover .write-meta { color: rgba(255,255,255,0.85); }
.write-card:hover .write-excerpt { color: rgba(255,255,255,0.92); }
.write-card:hover .write-cta { color: #fff; }
.write-card > * { position: relative; z-index: 1; }

.write-card.featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 32px;
  align-items: center;
  padding: 0;
}
.write-card.featured .write-thumb {
  height: 100%;
  min-height: 280px;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.write-card.featured .write-body { padding: 40px; }
.write-card.featured::before { display: none; }
.write-card.featured:hover { color: inherit; border-color: var(--ink); }

.write-meta {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 18px;
  transition: color 0.3s ease;
}
.write-meta .platform {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border: 1px solid currentColor;
  border-radius: 999px;
}
.write-title {
  font-size: clamp(18px, 1.55vw, 22px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: 12px;
  text-wrap: balance;
}
.write-card.featured .write-title { font-size: clamp(24px, 2.4vw, 32px); }
.write-excerpt {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.55;
  margin-bottom: 22px;
  text-wrap: pretty;
  transition: color 0.3s ease;
}
.write-cta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  transition: color 0.3s ease;
}
.write-cta .arrow { transition: transform 0.3s ease; }
.write-card:hover .write-cta .arrow { transform: translate(3px, -3px); }

.write-thumb-glyph {
  font-family: var(--font-mono);
  color: rgba(255,255,255,0.95);
  text-align: center;
}
.write-thumb-glyph .big {
  font-size: clamp(60px, 8vw, 120px);
  font-weight: 800;
  letter-spacing: -0.05em;
  display: block;
  line-height: 1;
}
.write-thumb-glyph .sm {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-top: 12px;
  opacity: 0.85;
}

/* === See more === */
.writing-more {
  margin-top: 56px;
  display: flex;
  justify-content: center;
}
.more-link {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  padding: 4px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink);
  cursor: pointer;
  transition: color 0.25s ease;
}
.more-link .more-rule {
  width: 56px;
  height: 1px;
  background: var(--ink-2);
  transition: width 0.3s cubic-bezier(0.22, 1, 0.36, 1), background 0.25s ease;
}
.more-link .more-arrow { transition: transform 0.3s ease; }
.more-link:hover { color: var(--accent); }
.more-link:hover .more-rule { width: 96px; background: var(--accent); }
.more-link:hover .more-arrow { transform: translate(3px, -3px); }

/* === Credentials === */
.cred-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}
.cred-col-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.cred-col-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--accent);
}
.cred-col-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.cred-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.cred-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: baseline;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  transition: padding 0.25s ease;
}
.cred-item:hover { padding-left: 8px; }
.cred-item:hover .cred-item-title { color: var(--accent); }
.cred-item-title {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.3;
  text-wrap: balance;
  transition: color 0.2s ease;
}
.cred-item-sub {
  font-size: 13px;
  color: var(--muted);
  margin-top: 4px;
}
.cred-item-year {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  white-space: nowrap;
  text-transform: uppercase;
}

.cred-item-link { padding: 0; }
.cred-item-anchor {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: baseline;
  padding: 20px 0;
  color: inherit;
  text-decoration: none;
  width: 100%;
}
.cred-item-link:hover { padding-left: 0; }
.cred-item-link:hover .cred-item-anchor { padding-left: 8px; }
.cred-item-link:hover .cred-item-title { color: var(--accent); }
.cred-link-arrow {
  color: var(--muted);
  font-size: 0.8em;
  display: inline-block;
  margin-left: 2px;
  transition: color 0.2s ease, transform 0.25s ease;
}
.cred-item-link:hover .cred-link-arrow {
  color: var(--accent);
  transform: translate(2px, -2px);
}

.cred-see-all {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-2);
  border-bottom: 1px solid var(--line-2);
  padding-bottom: 4px;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.cred-see-all:hover { color: var(--accent); border-bottom-color: var(--accent); }
.cred-see-all .arr { transition: transform 0.25s ease; }
.cred-see-all:hover .arr { transform: translate(3px, -3px); }

/* === Contact === */
.contact {
  background: var(--ink);
  color: var(--bg);
  padding: 120px var(--pad-x) 80px;
  margin: 0;
  position: relative;
  overflow: hidden;
}
.contact .section-num { color: var(--accent); }
.contact .section-num::before { background: var(--accent); }

.contact-big {
  font-size: clamp(38px, 6.4vw, 100px);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 0.95;
  text-wrap: balance;
  margin-bottom: 56px;
}
.contact-big a {
  color: var(--bg);
  position: relative;
  display: inline-block;
  border-bottom: 4px solid var(--accent);
  transition: color 0.3s ease;
  padding-bottom: 2px;
}
.contact-big a:hover { color: var(--accent); }

.contact-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.15);
}
.contact-col-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 10px;
}
.contact-col-value {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
}
.contact-col-value a {
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.contact-col-value a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* === Footer === */
.footer {
  background: var(--ink);
  color: rgba(255,255,255,0.5);
  padding: 32px var(--pad-x);
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.footer .ft-right { display: flex; gap: 24px; }
.footer a:hover { color: var(--accent); }

/* === Theme toggle button === */
.theme-toggle {
  width: 36px; height: 36px;
  border: 1px solid var(--line-2);
  background: transparent;
  color: var(--ink);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s ease;
  font-family: inherit;
  padding: 0;
}
.theme-toggle:hover {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.theme-toggle svg { width: 16px; height: 16px; }

/* === Reveal === */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1), transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* === Responsive === */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-right { align-items: flex-start; flex-direction: row; flex-wrap: wrap; }
  .hero-stats { max-width: 360px; }
  .section-header { grid-template-columns: 1fr; gap: 20px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .skills-grid { grid-template-columns: 1fr; }
  .skill-row { grid-template-columns: 1fr; gap: 8px; }
  .skill-row:nth-child(even) { padding-left: 0; border-left: none; }
  .writing-grid { grid-template-columns: 1fr; }
  .write-card.featured { grid-template-columns: 1fr; }
  .write-card.featured .write-thumb { min-height: 200px; }
  .write-card.featured .write-body { padding: 28px; }
  .contact-row { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .footer { flex-direction: column; gap: 12px; text-align: center; }
  .cred-grid { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 560px) {
  .contact-row { grid-template-columns: 1fr; }
  .hero-photo { width: 160px; height: 200px; }
}
