/* ====================================================
   JANHAVI DADHANIA - PERSONAL SITE
   Terminal aesthetic, dark theme, monospace
   ==================================================== */

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #0a0a0a;
  --bg-raised: #111111;
  --bg-card: #161616;
  --text: #c8c8c8;
  --text-dim: #666666;
  --text-bright: #e8e8e8;
  --accent: #5fba7d;
  --accent-dim: #3d7a52;
  --accent-glow: rgba(95, 186, 125, 0.15);
  --link: #5fba7d;
  --link-hover: #8fd4a4;
  --border: #222222;
  --mono: 'SF Mono', 'Fira Code', 'Fira Mono', 'Roboto Mono', 'Cascadia Code', 'Consolas', 'Liberation Mono', monospace;
  --font-size: 14.5px;
  --line-height: 1.65;
  --max-width: 860px;
  --section-gap: 5rem;
}

html {
  scroll-behavior: smooth;
  font-size: var(--font-size);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--mono);
  background: var(--bg);
  color: var(--text);
  line-height: var(--line-height);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* --- Scanline overlay (subtle CRT effect) --- */
.scanline {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
}

/* --- Links --- */
a {
  color: var(--link);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--link-hover);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* --- Navigation --- */
#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  transform: translateY(-100%);
  transition: transform 0.3s ease;
}

#nav.nav-visible {
  transform: translateY(0);
}

#nav.nav-hidden {
  transform: translateY(-100%);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-name {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
}

.nav-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--text-dim);
  font-size: 0.8rem;
  transition: color 0.15s ease;
}

.nav-links a:hover {
  color: var(--accent);
  text-decoration: none;
}

/* --- Main layout --- */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

section {
  margin-bottom: var(--section-gap);
}

/* --- Fade-in on scroll --- */
.fade-section {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Section headings --- */
.section-heading {
  color: var(--accent);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  letter-spacing: 0.02em;
}

/* ====================================================
   HERO
   ==================================================== */
#hero {
  padding-top: 2rem;
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.ascii-header {
  color: var(--accent);
  font-size: 0.65rem;
  line-height: 1.2;
  margin-bottom: 2rem;
  opacity: 0.7;
  user-select: none;
}

.hero-content {
  display: flex;
  gap: 3rem;
  align-items: center;
  margin-bottom: 1rem;
}

.hero-text {
  flex: 1;
}

.hero-name {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
  cursor: default;
  transition: all 0.3s ease;
  position: relative;
}

/* Mushroom easter egg on name hover */
.hero-name.mushroom-active::after {
  content: ' 🍄';
  font-size: 1.2rem;
  position: relative;
  animation: mushroom-bob 0.8s ease-in-out infinite alternate;
}

@keyframes mushroom-bob {
  from { top: 0; }
  to { top: -4px; }
}

.hero-role {
  color: var(--text-dim);
  font-size: 1rem;
  margin-bottom: 1rem;
}

.hero-role a {
  color: var(--text);
}

.hero-role a:hover {
  color: var(--accent);
}

.hero-tagline {
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.6;
  visibility: hidden; /* set visible by JS after typing starts */
}

.hero-tagline.typing-done::after {
  content: '|';
  color: var(--accent);
  animation: blink-cursor 1s step-end infinite;
  margin-left: 1px;
}

@keyframes blink-cursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-image-wrap {
  flex-shrink: 0;
}

.hero-image {
  width: 180px;
  height: 180px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--border);
  filter: grayscale(30%) contrast(1.05);
  transition: filter 0.4s ease, border-color 0.3s ease;
}

.hero-image:hover {
  filter: grayscale(0%) contrast(1);
  border-color: var(--accent-dim);
}

.ascii-divider {
  color: var(--border);
  font-size: 0.7rem;
  line-height: 1;
  user-select: none;
  overflow: hidden;
}

/* ====================================================
   ABOUT
   ==================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2.5rem;
  align-items: start;
}

.about-text p {
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.about-text p:last-child {
  margin-bottom: 0;
}

.stats-block {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1rem 1.5rem;
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.9;
  white-space: pre;
}

/* ====================================================
   TIMELINE / WORK
   ==================================================== */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  margin-bottom: 2rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -2rem;
  top: 6px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: var(--bg);
  z-index: 1;
}

.timeline-item:first-child .timeline-marker {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}

.timeline-date {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 0.3rem;
  letter-spacing: 0.03em;
}

.timeline-content h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 0.4rem;
}

.timeline-content h3 a {
  color: var(--text-bright);
}

.timeline-content h3 a:hover {
  color: var(--accent);
}

.role-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 0.15em 0.5em;
  border-radius: 3px;
  vertical-align: middle;
  margin-left: 0.3em;
}

.timeline-content p {
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.6;
}

/* ====================================================
   RESEARCH
   ==================================================== */
.research-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.5rem;
  margin-bottom: 1.2rem;
  transition: border-color 0.2s ease;
}

.research-card:hover {
  border-color: var(--accent-dim);
}

.research-label {
  font-size: 0.72rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.research-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 0.5rem;
}

.research-card p {
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.6;
}

/* ====================================================
   WRITING
   ==================================================== */
.writing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.writing-block {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.5rem;
  transition: border-color 0.2s ease;
}

.writing-block:hover {
  border-color: var(--accent-dim);
}

.writing-block h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 0.6rem;
}

.writing-block > p {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
  line-height: 1.55;
}

.writing-list {
  list-style: none;
  padding: 0;
}

.writing-list li {
  font-size: 0.82rem;
  padding: 0.35rem 0;
  border-top: 1px solid var(--border);
  line-height: 1.5;
}

.writing-list li:first-child {
  border-top: none;
}

.writing-also {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}

.writing-also p {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}

.writing-links-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.writing-links-row a {
  font-size: 0.78rem;
  color: var(--text-dim);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  padding: 0.3rem 0.7rem;
  border-radius: 3px;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.writing-links-row a:hover {
  color: var(--accent);
  border-color: var(--accent-dim);
  text-decoration: none;
}

/* ====================================================
   READING
   ==================================================== */
.reading-intro {
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
  font-style: italic;
}

.bookshelf {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
}

.book-category h3 {
  font-size: 0.82rem;
  color: var(--accent);
  margin-bottom: 0.8rem;
  letter-spacing: 0.03em;
  text-transform: lowercase;
}

.book-category ul {
  list-style: none;
  padding: 0;
}

.book-category li {
  font-size: 0.82rem;
  padding: 0.3rem 0;
  border-bottom: 1px solid rgba(34, 34, 34, 0.5);
  color: var(--text);
  line-height: 1.5;
}

.book-category li:last-child {
  border-bottom: none;
}

.book-category li a {
  color: var(--text);
}

.book-category li a:hover {
  color: var(--accent);
}

/* ====================================================
   CONTACT
   ==================================================== */
.contact-block {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.5rem 2rem;
  font-size: 0.88rem;
  line-height: 2;
  white-space: pre;
  overflow-x: auto;
}

.contact-block a {
  color: var(--link);
}

/* ====================================================
   FOOTER
   ==================================================== */
footer {
  padding: 2rem 0 1rem;
  text-align: center;
}

.ascii-footer {
  color: var(--border);
  font-size: 0.7rem;
  line-height: 1;
  user-select: none;
  margin-bottom: 1rem;
  overflow: hidden;
}

.footer-text {
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* ====================================================
   MUSHROOM EASTER EGG - Floating animation
   ==================================================== */
.floating-mushroom {
  position: fixed;
  top: -40px;
  z-index: 10000;
  pointer-events: none;
  animation: mushroom-fall linear forwards;
  opacity: 0.85;
}

@keyframes mushroom-fall {
  0% {
    transform: translateY(0) rotate(0deg);
    opacity: 0.85;
  }
  80% {
    opacity: 0.85;
  }
  100% {
    transform: translateY(110vh) rotate(360deg);
    opacity: 0;
  }
}

/* ====================================================
   RESPONSIVE - TABLET
   ==================================================== */
@media (max-width: 768px) {
  :root {
    --section-gap: 3.5rem;
    --font-size: 14px;
  }

  main {
    padding: 1.5rem 1rem 3rem;
  }

  .ascii-header {
    font-size: 0.45rem;
  }

  .hero-content {
    flex-direction: column-reverse;
    gap: 1.5rem;
    align-items: flex-start;
  }

  .hero-image {
    width: 120px;
    height: 120px;
  }

  .hero-name {
    font-size: 1.5rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .stats-block {
    font-size: 0.75rem;
  }

  .writing-grid {
    grid-template-columns: 1fr;
  }

  .bookshelf {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .nav-links {
    gap: 0.5rem;
  }

  .nav-links a {
    font-size: 0.72rem;
  }

  .contact-block {
    font-size: 0.78rem;
    padding: 1rem 1rem;
    white-space: pre-wrap;
    word-break: break-all;
  }
}

/* ====================================================
   RESPONSIVE - MOBILE
   ==================================================== */
@media (max-width: 480px) {
  :root {
    --section-gap: 3rem;
    --font-size: 13.5px;
  }

  .ascii-header {
    font-size: 0.38rem;
    overflow: hidden;
  }

  .hero-name {
    font-size: 1.3rem;
  }

  .hero-image {
    width: 100px;
    height: 100px;
  }

  .hero-tagline {
    font-size: 0.85rem;
  }

  .timeline {
    padding-left: 1.5rem;
  }

  .timeline-marker {
    left: -1.5rem;
    width: 9px;
    height: 9px;
  }

  .nav-name {
    font-size: 0.8rem;
  }

  .writing-links-row {
    gap: 0.35rem;
  }

  .writing-links-row a {
    font-size: 0.72rem;
    padding: 0.25rem 0.5rem;
  }
}

/* ====================================================
   PRINT (just in case)
   ==================================================== */
@media print {
  .scanline,
  #nav,
  .floating-mushroom {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  a {
    color: black;
    text-decoration: underline;
  }

  .ascii-header,
  .ascii-divider,
  .ascii-footer {
    display: none;
  }
}