/* ============================================
   AJAY RUDRARAJU — Personal Website
   Refined editorial style, considered details
   ============================================ */

:root {
  --ink:        #1a1a1a;
  --ink-soft:   #444;
  --ink-muted:  #888;
  --paper:      #faf8f4;
  --paper-warm: #f3eee5;
  --line:       #d8d2c4;
  --accent:     #b8442e;  /* a burnt-sienna accent — warm, considered */
  --serif:      'Fraunces', 'Georgia', serif;
  --sans:       'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  font-size: 17px;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: -0.005em;
}

.page {
  max-width: 760px;
  margin: 0 auto;
  padding: 4rem 2rem 3rem;
}

/* ============================================
   HERO
   ============================================ */

.hero {
  padding: 4rem 0 6rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 6rem;
}

.meta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
  margin-bottom: 3rem;
  font-weight: 500;
}

.dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.display {
  font-family: var(--serif);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.035em;
  margin-bottom: 2rem;
  color: var(--ink);
}

.display em {
  font-style: italic;
  font-weight: 300;
  color: var(--accent);
}

.lede {
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2.4vw, 1.55rem);
  font-weight: 300;
  line-height: 1.4;
  color: var(--ink-soft);
  max-width: 36ch;
  margin-bottom: 2.5rem;
  letter-spacing: -0.01em;
}

.lede em {
  font-style: italic;
  color: var(--ink);
  font-weight: 400;
}

.cta-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}

.btn-primary {
  display: inline-block;
  background: var(--ink);
  color: var(--paper);
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.25s ease;
  letter-spacing: 0.005em;
}

.btn-primary:hover {
  background: var(--accent);
  transform: translateY(-1px);
}

.btn-link {
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: all 0.2s ease;
}

.btn-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.affiliations {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.6rem;
  font-size: 0.82rem;
  color: var(--ink-muted);
  font-weight: 400;
  letter-spacing: 0.01em;
}

.affiliations span {
  position: relative;
}

.affiliations span:not(:last-child)::after {
  content: '·';
  position: absolute;
  right: -1rem;
  top: 0;
  color: var(--line);
}

/* ============================================
   SECTIONS
   ============================================ */

.section {
  margin-bottom: 6rem;
}

.section-label {
  font-family: var(--sans);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-muted);
  margin-bottom: 2rem;
  font-weight: 500;
}

.section-intro {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 300;
  line-height: 1.5;
  color: var(--ink-soft);
  margin-bottom: 3rem;
  max-width: 50ch;
  font-style: italic;
}

/* ============================================
   PRINCIPLES
   ============================================ */

.principles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.principle {
  padding: 1.75rem 0;
  border-top: 1px solid var(--line);
}

.principle:last-child {
  border-bottom: 1px solid var(--line);
}

.principle h3 {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: 0.5rem;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.principle p {
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.55;
}

.aside {
  background: var(--paper-warm);
  padding: 1.5rem 1.75rem;
  border-radius: 4px;
  font-size: 0.95rem;
  color: var(--ink-soft);
  line-height: 1.6;
  border-left: 2px solid var(--accent);
}

.aside strong {
  color: var(--ink);
  font-weight: 600;
}

/* ============================================
   ABOUT
   ============================================ */

.about-content p {
  font-size: 1.05rem;
  margin-bottom: 1.4rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

.about-content em {
  font-family: var(--serif);
  font-style: italic;
  color: var(--ink);
  font-weight: 400;
}

.about-lede {
  font-family: var(--serif) !important;
  font-size: 1.4rem !important;
  font-weight: 300 !important;
  line-height: 1.45 !important;
  color: var(--ink) !important;
  margin-bottom: 2rem !important;
  letter-spacing: -0.01em;
}

/* ============================================
   WORK ENTRIES
   ============================================ */

.work-list {
  display: flex;
  flex-direction: column;
}

.work-entry {
  padding: 2.5rem 0;
  border-top: 1px solid var(--line);
  transition: padding 0.3s ease;
}

.work-entry:last-child {
  border-bottom: 1px solid var(--line);
}

.work-entry:hover {
  padding-left: 0.5rem;
}

.work-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.9rem;
  flex-wrap: wrap;
}

.tag {
  display: inline-block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  font-weight: 600;
  color: var(--accent);
  padding: 0.3rem 0.7rem;
  background: rgba(184, 68, 46, 0.08);
  border-radius: 3px;
}

.org {
  font-size: 0.85rem;
  color: var(--ink-muted);
  font-weight: 500;
  letter-spacing: 0.005em;
}

.work-entry h3 {
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 400;
  line-height: 1.25;
  margin-bottom: 0.85rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.work-entry p {
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.65;
  max-width: 60ch;
}

/* ============================================
   PROJECTS
   ============================================ */

.project-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.project {
  padding: 2rem 1.75rem;
  background: var(--paper-warm);
  border-radius: 6px;
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.project:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.project .tag {
  margin-bottom: 1rem;
  background: var(--paper);
}

.project h3 {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 0.7rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.project p {
  color: var(--ink-soft);
  font-size: 0.96rem;
  line-height: 1.6;
}

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

.now-content p {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 300;
  line-height: 1.5;
  color: var(--ink-soft);
  margin-bottom: 1.25rem;
  letter-spacing: -0.005em;
}

.now-content p::before {
  content: '— ';
  color: var(--accent);
  font-weight: 400;
}

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

.contact {
  background: var(--ink);
  color: var(--paper);
  padding: 4rem 2.5rem;
  border-radius: 8px;
  margin-left: -2rem;
  margin-right: -2rem;
}

.contact .section-label {
  color: rgba(250, 248, 244, 0.5);
}

.contact-headline {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  color: var(--paper);
}

.contact-lede {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 300;
  line-height: 1.55;
  color: rgba(250, 248, 244, 0.75);
  max-width: 50ch;
  margin-bottom: 3rem;
  font-style: italic;
}

.contact-grid {
  display: grid;
  gap: 1.5rem;
}

.contact-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 1.5rem;
  align-items: baseline;
  padding: 1rem 0;
  border-top: 1px solid rgba(250, 248, 244, 0.15);
}

.contact-item:last-child {
  border-bottom: 1px solid rgba(250, 248, 244, 0.15);
}

.contact-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: rgba(250, 248, 244, 0.5);
  font-weight: 500;
}

.contact-item a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(250, 248, 244, 0.3);
  padding-bottom: 2px;
  transition: all 0.2s ease;
  font-size: 1rem;
}

.contact-item a:hover {
  color: #ffb89e;
  border-color: #ffb89e;
}

.contact-item span:not(.contact-label) {
  color: rgba(250, 248, 244, 0.85);
  font-size: 1rem;
}

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

.site-footer {
  margin-top: 5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--ink-muted);
  letter-spacing: 0.01em;
}

.footer-row span:last-child {
  font-style: italic;
  font-family: var(--serif);
}

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

@media (max-width: 600px) {
  .page {
    padding: 2.5rem 1.5rem 2rem;
  }

  .hero {
    padding: 2rem 0 4rem;
    margin-bottom: 4rem;
  }

  .section {
    margin-bottom: 4.5rem;
  }

  .contact {
    padding: 3rem 1.75rem;
    margin-left: -1.5rem;
    margin-right: -1.5rem;
  }

  .contact-item {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  .affiliations span:not(:last-child)::after {
    right: -0.85rem;
  }

  .footer-row {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }
}

/* Subtle entrance animation */
.hero, .section {
  animation: fadeUp 0.7s ease-out backwards;
}

.section:nth-child(2) { animation-delay: 0.05s; }
.section:nth-child(3) { animation-delay: 0.1s; }
.section:nth-child(4) { animation-delay: 0.15s; }

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Selection */
::selection {
  background: var(--accent);
  color: var(--paper);
}