/* ============================================================
   pnvlabs shared styles
   Used by: index.html, preethi/index.html, varada/index.html
   ============================================================ */

:root {
  --paper: #F2EBDD;
  --paper-warm: #ECE3D0;
  --ink: #1C1A17;
  --ink-soft: #5C564C;
  --ink-faint: #8C857A;
  --accent: #B84A1B;
  --accent-soft: #D88060;
  --rule: #C8BFA9;
  --card: #F8F2E5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #15140F;
    --paper-warm: #1B1914;
    --ink: #EDE6D6;
    --ink-soft: #9A9384;
    --ink-faint: #5C564C;
    --accent: #E07A45;
    --accent-soft: #B84A1B;
    --rule: #2A2720;
    --card: #1F1D17;
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(28,26,23,0.035) 1px, transparent 1px);
  background-size: 3px 3px;
  pointer-events: none;
  z-index: 1;
}
@media (prefers-color-scheme: dark) {
  body::before { background-image: radial-gradient(rgba(237,230,214,0.03) 1px, transparent 1px); }
}

/* ============================================================
   NAV
   ============================================================ */

nav.top {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
  padding: 16px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  animation: fade 0.8s ease-out;
}

.brand {
  font-family: 'Instrument Serif', serif;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.brand em { font-style: italic; color: var(--accent); }
.brand .dot { color: var(--ink-faint); font-size: 14px; font-family: 'JetBrains Mono', monospace; }

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  align-items: center;
}
.nav-links a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 13px;
  text-transform: lowercase;
  letter-spacing: 0.04em;
  position: relative;
  padding: 4px 0;
  transition: color 0.2s ease;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a.active { color: var(--ink); }
.nav-links a.active::after { transform: scaleX(1); background: var(--accent); }

.nav-cta {
  background: var(--ink);
  color: var(--paper);
  padding: 10px 20px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 12px;
  text-transform: lowercase;
  letter-spacing: 0.06em;
  font-weight: 500;
  transition: background 0.2s ease, transform 0.2s ease;
}
.nav-cta:hover { background: var(--accent); transform: translateY(-1px); }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  color: var(--ink);
  font-family: inherit;
  font-size: 20px;
  padding: 4px 8px;
}

/* ============================================================
   LAYOUT
   ============================================================ */

main { position: relative; z-index: 2; }
section {
  padding: 96px 40px;
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
}
section + section { border-top: 1px solid var(--rule); }

.section-label {
  color: var(--accent);
  font-size: 11px;
  text-transform: lowercase;
  letter-spacing: 0.18em;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-label::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.section-title {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin-bottom: 32px;
}
.section-title em { font-style: italic; color: var(--accent); }

/* ============================================================
   HERO (used on all pages)
   ============================================================ */

.hero { padding-top: 80px; padding-bottom: 80px; }
.hero .wordmark {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(72px, 13vw, 168px);
  line-height: 0.92;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
  animation: rise 1.4s cubic-bezier(0.2,0.8,0.2,1) both;
}
.hero .wordmark em { font-style: italic; color: var(--accent); }
.hero .rule {
  width: 64px; height: 1px; background: var(--ink); opacity: 0.4;
  margin: 0 0 28px 4px;
  animation: rise 1.4s cubic-bezier(0.2,0.8,0.2,1) 0.15s both;
}
.hero .lede {
  font-family: 'Fraunces', serif;
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.5;
  max-width: 640px;
  color: var(--ink);
  margin-bottom: 20px;
  animation: rise 1.4s cubic-bezier(0.2,0.8,0.2,1) 0.3s both;
}
.hero .lede em { font-style: italic; color: var(--accent); }
.hero .meta {
  color: var(--ink-soft);
  font-size: 13px;
  animation: rise 1.4s cubic-bezier(0.2,0.8,0.2,1) 0.45s both;
}
.hero .meta::before { content: '// '; color: var(--accent); }

/* Person-page hero variant: smaller wordmark with a kicker */
.hero.person .kicker {
  color: var(--accent);
  font-size: 12px;
  text-transform: lowercase;
  letter-spacing: 0.18em;
  margin-bottom: 18px;
  animation: rise 1.4s cubic-bezier(0.2,0.8,0.2,1) both;
}
.hero.person .kicker::before {
  content: '◇ ';
  margin-right: 4px;
  opacity: 0.7;
}
.hero.person .wordmark {
  font-size: clamp(64px, 11vw, 144px);
}
.hero.person .subtitle {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  text-transform: lowercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin: -16px 0 28px 4px;
  animation: rise 1.4s cubic-bezier(0.2,0.8,0.2,1) 0.2s both;
}
.hero.person .subtitle::before {
  content: '// ';
  color: var(--accent);
}

/* ============================================================
   ABOUT (home page)
   ============================================================ */

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.about-text {
  font-family: 'Fraunces', serif;
  font-size: 18px;
  line-height: 1.65;
  color: var(--ink);
}
.about-text p + p { margin-top: 16px; }
.about-text strong { font-weight: 500; color: var(--accent); }
.signatures {
  border-left: 1px solid var(--rule);
  padding-left: 32px;
}
.sig { margin-bottom: 32px; }
.sig:last-child { margin-bottom: 0; }
.sig-name {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: 32px;
  color: var(--ink);
  margin-bottom: 10px;
}
.sig-bio {
  font-family: 'Fraunces', serif;
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-soft);
}

/* Person-page bio variant: full width, larger */
.bio-block {
  font-family: 'Fraunces', serif;
  font-size: 19px;
  line-height: 1.65;
  color: var(--ink);
  max-width: 720px;
}
.bio-block p + p { margin-top: 16px; }
.bio-block em { font-style: italic; color: var(--accent); }

/* ============================================================
   DOORWAYS (home page) — replaces old corners-grid
   ============================================================ */

.doorways {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 16px;
}
.doorway {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 44px 36px 40px;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.2,0.8,0.2,1), border-color 0.25s ease, box-shadow 0.25s ease;
}
.doorway::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-soft));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.doorway:hover {
  transform: translateY(-6px);
  border-color: var(--ink-soft);
  box-shadow: 0 18px 40px -20px rgba(28,26,23,0.25);
}
.doorway:hover::before { transform: scaleX(1); }

.doorway-kicker {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
}
.doorway-name {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(48px, 6vw, 72px);
  font-weight: 400;
  line-height: 1;
  color: var(--ink);
  letter-spacing: -0.015em;
}
.doorway-name em { font-style: italic; color: var(--accent); }
.doorway-tagline {
  font-family: 'Fraunces', serif;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink-soft);
  flex: 1;
}
.doorway-tagline em { font-style: italic; color: var(--ink); }
.doorway-cta {
  margin-top: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  text-transform: lowercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px dashed var(--rule);
}
.doorway-cta::after {
  content: '→';
  transition: transform 0.25s ease;
}
.doorway:hover .doorway-cta::after { transform: translateX(6px); }
.doorway-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: lowercase;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  display: flex;
  gap: 16px;
}
.doorway-meta span::before { content: '· '; color: var(--accent); margin-right: 2px; }
.doorway-meta span:first-child::before { content: ''; margin-right: 0; }

/* ============================================================
   APPS (used on person pages)
   ============================================================ */

.apps-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.app-card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 28px 28px 24px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  overflow: hidden;
}
.app-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}
.app-card:hover {
  transform: translateY(-4px);
  border-color: var(--ink-soft);
  box-shadow: 0 12px 32px -16px rgba(28,26,23,0.18);
}
.app-card:hover::before { transform: scaleX(1); }

.app-icon {
  width: 44px;
  height: 44px;
  color: var(--accent);
}

.app-name-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 4px;
}
.app-name {
  font-family: 'Instrument Serif', serif;
  font-size: 28px;
  color: var(--ink);
  line-height: 1;
}
.app-lock {
  font-size: 10px;
  color: var(--ink-soft);
  text-transform: lowercase;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.app-desc {
  font-family: 'Fraunces', serif;
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-soft);
}
.app-desc em { font-style: italic; color: var(--ink); }

.app-stack {
  margin-top: 4px;
  padding: 12px 14px;
  border-left: 2px solid var(--rule);
  background: color-mix(in srgb, var(--paper) 60%, transparent);
  border-radius: 0 4px 4px 0;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  line-height: 1.65;
  color: var(--ink-soft);
}
.app-stack .stack-label {
  display: block;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 6px;
}
.app-stack p + p { margin-top: 8px; }
.app-stack code, .app-stack b {
  font-weight: 500;
  color: var(--ink);
  font-style: normal;
}

.app-link {
  align-self: flex-start;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 12px;
  text-transform: lowercase;
  letter-spacing: 0.06em;
  color: var(--paper);
  background: var(--accent);
  padding: 8px 14px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  margin-bottom: 4px;
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 14px -8px color-mix(in srgb, var(--accent) 80%, transparent);
}
.app-link::after {
  content: '→';
  transition: transform 0.2s ease;
}
.app-card:hover .app-link {
  background: var(--ink);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px -8px rgba(28,26,23,0.4);
}
.app-card:hover .app-link::after { transform: translateX(4px); }

/* ============================================================
   BUILDING / NOW
   ============================================================ */

.building-card {
  background: var(--paper-warm);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  padding: 18px 20px;
  font-family: 'Fraunces', serif;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
}
.building-card .label {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-right: 8px;
  vertical-align: 1px;
}
.building-card .pulse {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 8px;
  vertical-align: 2px;
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 60%, transparent);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 55%, transparent); }
  70%  { box-shadow: 0 0 0 10px color-mix(in srgb, var(--accent) 0%, transparent); }
  100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 0%, transparent); }
}

/* ============================================================
   REFLECTIONS
   ============================================================ */

.reflection-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 16px;
}
.reflection-item {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 24px;
  align-items: baseline;
  padding: 22px 4px;
  border-top: 1px solid var(--rule);
  text-decoration: none;
  color: inherit;
  transition: padding 0.25s ease, background 0.25s ease;
}
.reflection-item:last-child { border-bottom: 1px solid var(--rule); }
.reflection-item:hover { padding-left: 16px; padding-right: 16px; background: var(--card); }
.reflection-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  text-transform: lowercase;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
}
.reflection-title {
  font-family: 'Instrument Serif', serif;
  font-size: 24px;
  line-height: 1.25;
  color: var(--ink);
}
.reflection-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  text-transform: lowercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.reflection-meta::after { content: '↗'; transition: transform 0.2s ease; }
.reflection-item:hover .reflection-meta::after { transform: translate(2px, -2px); }

/* ============================================================
   EMPTY STATES
   ============================================================ */

.empty {
  padding: 64px 0;
  color: var(--ink-faint);
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 18px;
  border-top: 1px dashed var(--rule);
  border-bottom: 1px dashed var(--rule);
  text-align: center;
}
.empty::before { content: '◇'; color: var(--accent); margin-right: 10px; opacity: 0.6; }

/* ============================================================
   CONTACT
   ============================================================ */

.contact-block {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 520px;
}
.contact-block p {
  font-family: 'Fraunces', serif;
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink);
}
.contact-link {
  display: inline-block;
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: 32px;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
  width: fit-content;
}
.contact-link:hover { border-color: var(--accent); }

/* ============================================================
   FOOTER
   ============================================================ */

footer {
  border-top: 1px solid var(--rule);
  padding: 32px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--ink-soft);
  font-size: 11px;
  text-transform: lowercase;
  letter-spacing: 0.06em;
  position: relative;
  z-index: 2;
}
footer .corner {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: 14px;
  color: var(--ink);
}

/* ============================================================
   ANIMATIONS
   ============================================================ */

@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fade {
  from { opacity: 0; } to { opacity: 1; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 760px) {
  nav.top { padding: 14px 20px; }
  .nav-links {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 14px 20px; }
  .nav-toggle { display: block; }
  .nav-cta { padding: 8px 14px; font-size: 11px; }
  section { padding: 64px 20px; }
  .about-content, .doorways { grid-template-columns: 1fr; gap: 24px; }
  .doorway { padding: 32px 24px 28px; }
  .signatures { border-left: 0; padding-left: 0; border-top: 1px solid var(--rule); padding-top: 24px; }
  .reflection-item { grid-template-columns: 1fr; gap: 6px; padding: 18px 4px; }
  .reflection-item:hover { padding-left: 12px; padding-right: 12px; }
  .reflection-title { font-size: 20px; }
  footer { padding: 24px 20px; flex-direction: column; gap: 12px; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}