/* ---------------------------------------------------
   Kavy Upadhyay — portfolio
   Dark monochrome with shine effects
   --------------------------------------------------- */

:root {
  --bg: #0a0a0a;
  --bg-2: #0f0f10;
  --ink: #fafafa;
  --ink-2: #e6e6e6;
  --muted: #8b8b8e;
  --muted-2: #5a5a5d;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --card: rgba(255, 255, 255, 0.025);
  --card-hover: rgba(255, 255, 255, 0.045);

  --shine: 0.65;            /* 0..1, controlled by Tweaks */
  --grid-density: 56px;
  --noise: 0.04;

  --font-sans: "Geist", "Inter", ui-sans-serif, system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Geist Mono", "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --font-display: "Geist", "Inter", ui-sans-serif, system-ui, sans-serif;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;

  --t-fast: 180ms cubic-bezier(0.2, 0.7, 0.2, 1);
  --t-med: 360ms cubic-bezier(0.2, 0.7, 0.2, 1);
  --t-slow: 720ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-feature-settings: "ss01", "cv11", "cv09";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body { min-height: 100vh; }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

::selection { background: rgba(255, 255, 255, 0.18); color: var(--ink); }

/* ---------------------------------------------------
   Background — animated grid + radial glow + noise
   --------------------------------------------------- */
.bg-stack {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.bg-grid {
  position: absolute;
  inset: -2px;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: var(--grid-density) var(--grid-density);
  mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 30%, #000 30%, transparent 80%);
  opacity: 0.9;
}

.bg-vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 80% at 50% -10%, rgba(255, 255, 255, calc(0.08 * var(--shine))), transparent 55%),
    radial-gradient(80% 60% at 50% 110%, rgba(255, 255, 255, calc(0.04 * var(--shine))), transparent 60%);
}

.bg-noise {
  position: absolute;
  inset: 0;
  opacity: var(--noise);
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1   0 0 0 0 1   0 0 0 0 1   0 0 0 0.6 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* Cursor spotlight (subtle) */
.bg-spot {
  position: absolute;
  width: 480px; height: 480px;
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(255,255,255, calc(0.07 * var(--shine))), transparent 70%);
  transform: translate3d(-50%, -50%, 0);
  filter: blur(8px);
  transition: opacity 240ms ease;
  opacity: 0;
}
.bg-spot.on { opacity: 1; }

/* ---------------------------------------------------
   Layout shell
   --------------------------------------------------- */
.shell {
  position: relative;
  z-index: 1;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0 18px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: linear-gradient(to bottom, rgba(10,10,10,0.85), rgba(10,10,10,0.55) 80%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast), background var(--t-fast);
}
.nav.scrolled {
  border-bottom-color: var(--line);
  background: linear-gradient(to bottom, rgba(10,10,10,0.92), rgba(10,10,10,0.82));
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.brand .dot {
  width: 10px; height: 10px;
  border-radius: 2px;
  background: var(--ink);
  box-shadow: 0 0 calc(18px * var(--shine)) rgba(255,255,255,0.7);
  position: relative;
  overflow: hidden;
}
.brand .dot::after {
  content: "";
  position: absolute; inset: 0;
  background: conic-gradient(from var(--rot, 0deg), transparent 0deg, #fff 90deg, transparent 180deg, #fff 270deg, transparent 360deg);
  animation: spin 4.5s linear infinite;
  opacity: calc(0.6 * var(--shine));
  filter: blur(1.5px);
  mix-blend-mode: screen;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 12.5px;
}
.nav-links a {
  position: relative;
  padding: 8px 14px;
  color: var(--muted);
  border-radius: 999px;
  transition: color var(--t-fast), background var(--t-fast);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active {
  color: var(--ink);
  background: rgba(255,255,255,0.06);
  box-shadow: inset 0 0 0 1px var(--line-strong);
}
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px;
  bottom: 3px;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(255,255,255,calc(0.9 * var(--shine))), transparent);
}

.nav-cta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(255,255,255,0.02);
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.nav-cta::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: conic-gradient(from 0deg, transparent 0deg, rgba(255,255,255,calc(0.9 * var(--shine))) 90deg, transparent 180deg);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  animation: spin 5s linear infinite;
  opacity: 0;
  transition: opacity var(--t-med);
}
.nav-cta:hover::before { opacity: 1; }

.cta-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.18),
              0 0 calc(16px * var(--shine)) rgba(34, 197, 94, 0.95);
  animation: ctaPulse 2.4s ease-in-out infinite;
}
@keyframes ctaPulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.12), 0 0 calc(10px * var(--shine)) rgba(34, 197, 94, 0.8); }
  50%      { box-shadow: 0 0 0 5px rgba(34, 197, 94, 0.22), 0 0 calc(22px * var(--shine)) rgba(34, 197, 94, 1); }
}

/* ---------------------------------------------------
   Page transitions
   --------------------------------------------------- */
.page {
  position: relative;
  padding: 56px 0 120px;
  min-height: calc(100vh - 80px);
}
.page-enter { animation: pageIn 520ms cubic-bezier(0.2, 0.7, 0.2, 1) both; }
@keyframes pageIn {
  from { opacity: 0; transform: translateY(8px); filter: blur(6px); }
  to   { opacity: 1; transform: none; filter: none; }
}

/* ---------------------------------------------------
   Eyebrow / section labels
   --------------------------------------------------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 18px; height: 1px;
  background: var(--line-strong);
}

/* ---------------------------------------------------
   Hero
   --------------------------------------------------- */
.hero {
  position: relative;
  padding: 80px 0 60px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

.hero-stage {
  position: absolute;
  inset: -120px -20% 0 -20%;
  pointer-events: none;
  z-index: 0;
}

/* The big rotating shine — conic gradient */
.hero-shine {
  position: absolute;
  left: 50%; top: 50%;
  width: 1100px; height: 1100px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background:
    conic-gradient(from var(--rot, 0deg),
      transparent 0deg,
      rgba(255,255,255,calc(0.0 * var(--shine))) 30deg,
      rgba(255,255,255,calc(0.18 * var(--shine))) 70deg,
      rgba(255,255,255,calc(0.45 * var(--shine))) 90deg,
      rgba(255,255,255,calc(0.18 * var(--shine))) 110deg,
      transparent 150deg,
      transparent 210deg,
      rgba(255,255,255,calc(0.12 * var(--shine))) 250deg,
      rgba(255,255,255,calc(0.30 * var(--shine))) 270deg,
      rgba(255,255,255,calc(0.12 * var(--shine))) 290deg,
      transparent 330deg
    );
  filter: blur(40px);
  mask-image: radial-gradient(closest-side, #000 0%, #000 40%, transparent 75%);
  -webkit-mask-image: radial-gradient(closest-side, #000 0%, #000 40%, transparent 75%);
  animation: spin 14s linear infinite;
  opacity: calc(0.95 * var(--shine));
}

.hero-shine.second {
  width: 700px; height: 700px;
  filter: blur(60px);
  animation: spin 9s linear infinite reverse;
  opacity: calc(0.55 * var(--shine));
}

.hero-core {
  position: absolute;
  left: 50%; top: 50%;
  width: 220px; height: 220px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(255,255,255, calc(0.45 * var(--shine))), transparent 70%);
  filter: blur(20px);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: left;
  padding-top: 40px;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 7px 14px 7px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255,255,255,0.025);
  position: relative;
  overflow: hidden;
}
.hero-eyebrow .pulse {
  display: inline-flex;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 calc(14px * var(--shine)) #fff;
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.4; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.1); }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(56px, 11vw, 168px);
  line-height: 0.92;
  letter-spacing: -0.045em;
  font-weight: 500;
  margin: 28px 0 0;
  position: relative;
}

/* Shimmer text */
.shimmer {
  background:
    linear-gradient(90deg,
      var(--ink) 0%,
      var(--ink) 35%,
      #ffffff 50%,
      var(--ink) 65%,
      var(--ink) 100%);
  background-size: 200% 100%;
  background-position: 100% 0;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer 5.5s ease-in-out infinite;
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -100% 0; }
}

body.no-shimmer .shimmer { animation: none; background-position: 50% 0; }
body.no-spotlight .bg-spot { display: none; }

.hero-sub {
  margin-top: 28px;
  max-width: 620px;
  font-size: 17px;
  line-height: 1.55;
  color: var(--muted);
}
.hero-sub strong { color: var(--ink-2); font-weight: 500; }

.hero-actions {
  margin-top: 36px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---------------------------------------------------
   Buttons (with hover shine)
   --------------------------------------------------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 20px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  border: 1px solid var(--line-strong);
  background: rgba(255,255,255,0.03);
  color: var(--ink);
  overflow: hidden;
  transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
  isolation: isolate;
}
.btn:hover { background: rgba(255,255,255,0.07); border-color: rgba(255,255,255,0.28); }
.btn:active { transform: translateY(1px); }

.btn .arrow {
  display: inline-block;
  transition: transform var(--t-fast);
}
.btn:hover .arrow { transform: translateX(3px); }

.btn.primary {
  background: linear-gradient(180deg, #f4f4f4 0%, #d8d8d8 100%);
  color: #0a0a0a;
  border-color: rgba(255,255,255,0.6);
  box-shadow: 0 8px 30px rgba(255,255,255, calc(0.12 * var(--shine))),
              inset 0 -1px 0 rgba(0,0,0,0.1);
}
.btn.primary:hover {
  background: linear-gradient(180deg, #ffffff 0%, #ececec 100%);
}
.btn.primary::before {
  content: "";
  position: absolute;
  top: 0; left: -150%;
  width: 60%; height: 100%;
  background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,0.8) 50%, transparent 70%);
  transform: skewX(-20deg);
  transition: left 700ms ease;
  pointer-events: none;
}
.btn.primary:hover::before { left: 150%; }

/* ---------------------------------------------------
   Tag strip (skills/keywords)
   --------------------------------------------------- */
.tag-strip {
  margin-top: 80px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--muted);
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255,255,255,0.015);
}
.tag.bullet { padding: 6px; border: 0; }

/* ---------------------------------------------------
   Section heading
   --------------------------------------------------- */
.section {
  padding: 32px 0;
}
.section + .section { padding-top: 8px; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
}
.section-head .left { display: flex; flex-direction: column; gap: 16px; }
.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.0;
  letter-spacing: -0.035em;
  font-weight: 500;
  margin: 0;
}
.section-head .right {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  padding-bottom: 8px;
  letter-spacing: 0.06em;
}

/* ---------------------------------------------------
   About
   --------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}
.about-prose p {
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-2);
  margin: 0 0 18px;
}
.about-prose p.muted { color: var(--muted); }

.facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.fact {
  padding: 22px 20px;
  background: var(--bg);
}
.fact .label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.fact .value {
  margin-top: 8px;
  font-size: 17px;
  color: var(--ink);
  letter-spacing: -0.01em;
}

/* Timeline */
.timeline {
  margin-top: 48px;
  display: grid;
  gap: 0;
}
.tl-item {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 24px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
  transition: background var(--t-fast);
}
.tl-item:last-child { border-bottom: 1px solid var(--line); }
.tl-item:hover { background: rgba(255,255,255,0.015); }
.tl-year {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}
.tl-body .title {
  font-size: 17px;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.tl-body .desc {
  margin-top: 4px;
  font-size: 14px;
  color: var(--muted);
}
.tl-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted-2);
}

/* ---------------------------------------------------
   Projects — card grid w/ hover shine
   --------------------------------------------------- */
.projects {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.proj {
  position: relative;
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--card);
  overflow: hidden;
  isolation: isolate;
  transition: background var(--t-fast), transform var(--t-fast), border-color var(--t-fast);
  cursor: pointer;
}
.proj:hover {
  background: var(--card-hover);
  border-color: var(--line-strong);
}
.proj::before {
  /* Mouse-follow shine border */
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: radial-gradient(180px circle at var(--mx, 50%) var(--my, 50%), rgba(255,255,255, calc(0.7 * var(--shine))), transparent 60%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--t-med);
  pointer-events: none;
}
.proj:hover::before { opacity: 1; }

.proj-art {
  position: relative;
  height: 220px;
  margin: -24px -24px 22px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(80% 60% at 50% 30%, rgba(255,255,255,calc(0.08 * var(--shine))), transparent 60%),
    linear-gradient(180deg, #131315 0%, #0c0c0d 100%);
  overflow: hidden;
}
.proj-art::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, #000 30%, transparent 80%);
}
.proj-art .glyph {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 86px;
  letter-spacing: -0.05em;
  color: rgba(255,255,255,0.05);
  font-weight: 600;
}

.proj-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.proj-title {
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.proj-year {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--muted);
}
.proj-desc {
  margin-top: 8px;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--muted);
}
.proj-meta {
  margin-top: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--muted-2);
  letter-spacing: 0.04em;
}
.proj-meta .stack { display: flex; gap: 10px; }
.proj-meta .stack span { color: var(--muted); }

.proj .arrow-pill {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--line);
  transition: transform var(--t-fast), background var(--t-fast);
}
.proj:hover .arrow-pill {
  transform: translate(2px, -2px);
  background: rgba(255,255,255,0.14);
}

/* ---------------------------------------------------
   Blog list
   --------------------------------------------------- */
.blog-list {
  display: grid;
  gap: 0;
}
.blog-row {
  display: grid;
  grid-template-columns: 80px 1.5fr 1fr 80px;
  gap: 24px;
  padding: 28px 6px;
  border-top: 1px solid var(--line);
  align-items: center;
  transition: background var(--t-fast), padding var(--t-fast);
  position: relative;
  cursor: pointer;
}
.blog-row:last-child { border-bottom: 1px solid var(--line); }
.blog-row::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(255,255,255, calc(0.5 * var(--shine))), transparent);
  opacity: 0;
  transition: opacity var(--t-fast);
}
.blog-row:hover { background: rgba(255,255,255,0.02); padding-left: 18px; }
.blog-row:hover::after { opacity: 1; }
.blog-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-2);
}
.blog-title { font-size: 19px; letter-spacing: -0.01em; color: var(--ink); }
.blog-desc { font-size: 14px; color: var(--muted); }
.blog-date {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  text-align: right;
}

.blog-state {
  padding: 32px 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--muted);
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 12px;
}
.blog-state.loading::before {
  content: "";
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--ink);
  box-shadow: 0 0 calc(14px * var(--shine)) #fff;
  animation: pulse 1.4s ease-in-out infinite;
}
.blog-state.error::before { content: "✕"; color: var(--muted-2); }
.blog-state.empty::before { content: "○"; color: var(--muted-2); }
.blog-state a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }

/* ---------------------------------------------------
   Contact
   --------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
}
.contact-lead {
  font-family: var(--font-display);
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 500;
  color: var(--ink);
}
.contact-lead .accent { color: var(--muted); }

.contact-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.contact-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 4px;
  border-bottom: 1px solid var(--line);
  font-size: 16px;
  position: relative;
  overflow: hidden;
  transition: padding var(--t-fast), background var(--t-fast);
  cursor: pointer;
  color: inherit;
  text-decoration: none;
}
.contact-row:hover { padding-left: 14px; background: rgba(255,255,255,0.015); }
.contact-row .label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-2);
  width: 90px;
  flex-shrink: 0;
}
.contact-row .value {
  flex: 1;
  margin-left: 24px;
  color: var(--ink);
  position: relative;
}
.contact-row .value::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: linear-gradient(to right, var(--ink), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-med);
}
.contact-row:hover .value::after { transform: scaleX(1); }
.contact-row .ext {
  display: inline-grid;
  place-items: center;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  color: var(--ink-2);
  flex-shrink: 0;
  margin-left: 16px;
  transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast), color var(--t-fast);
}
.contact-row:hover .ext {
  background: rgba(255,255,255,0.10);
  border-color: rgba(255,255,255,0.28);
  color: var(--ink);
  transform: translate(2px, -2px);
  box-shadow: 0 0 calc(20px * var(--shine)) rgba(255,255,255,0.18);
}

/* ---------------------------------------------------
   Footer
   --------------------------------------------------- */
.footer {
  margin-top: 60px;
  padding: 60px 0 40px;
  border-top: 1px solid var(--line);
  position: relative;
  z-index: 1;
}
.footer-grid {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.footer-mark {
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 110px);
  line-height: 0.9;
  letter-spacing: -0.045em;
  font-weight: 500;
  color: var(--ink);
}
.footer-mark .ghost { color: rgba(255,255,255,0.1); }
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin: 0 0 14px;
}
.footer-col a {
  display: block;
  font-size: 14.5px;
  color: var(--muted);
  padding: 4px 0;
  transition: color var(--t-fast);
}
.footer-col a:hover { color: var(--ink); }

.footer-base {
  max-width: 1240px;
  margin: 36px auto 0;
  padding: 24px 32px 0;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--muted-2);
  letter-spacing: 0.04em;
}

/* ---------------------------------------------------
   Animations
   --------------------------------------------------- */
@keyframes spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.brand .dot::after { transform-origin: center; }

@keyframes spinSimple { to { transform: rotate(360deg); } }
.nav-cta::before { transform-origin: center; }

/* ---------------------------------------------------
   Responsive
   --------------------------------------------------- */
@media (max-width: 880px) {
  .shell { padding: 0 20px; }
  .hero { padding: 56px 0 40px; }
  .projects { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .blog-row { grid-template-columns: 40px 1fr 60px; gap: 14px; padding: 22px 6px; }
  .blog-row .blog-desc { display: none; }
  .tl-item { grid-template-columns: 80px 1fr; gap: 14px; }
  .tl-item .tl-tag { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .nav-links a { padding: 6px 10px; font-size: 11.5px; }
  .nav-cta { display: none; }
}

@media (max-width: 560px) {
  .nav-links { gap: 0; }
  .hero h1 { font-size: clamp(48px, 14vw, 96px); }
}