/* ========================================
   RAJ SINGH — PERSONAL SITE
   Palette: Rustic Indian x Fintech
   ======================================== */

:root {
  /* Core palette */
  --bg-deep:       #0f0b08;
  --bg-primary:    #1a1410;
  --bg-card:       #231c14;
  --bg-card-hover: #2e2418;

  /* Accent tones — chai, terracotta, sandstone */
  --accent:        #c49a6c;
  --accent-light:  #d4ad82;
  --accent-warm:   #b87333;
  --accent-glow:   rgba(196, 154, 108, 0.12);

  /* Text */
  --text-primary:  #f0e6d3;
  --text-secondary:#a89880;
  --text-muted:    #6b5e50;

  /* Borders */
  --border:        #2e2418;
  --border-accent: rgba(196, 154, 108, 0.25);

  /* Fonts */
  --font-display:  'Playfair Display', Georgia, serif;
  --font-body:     'Inter', -apple-system, sans-serif;
  --font-mono:     'JetBrains Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 70px;
}

body {
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-light); }

.container { max-width: 960px; margin: 0 auto; padding: 0 24px; }

/* ---- NAV ---- */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(15, 11, 8, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

.nav-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
}

.nav-links { display: flex; gap: 28px; }

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--accent); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  transition: all 0.3s;
}

/* ---- HERO ---- */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 24px 80px;
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-headshot {
  margin-bottom: 24px;
}

.hero-headshot img {
  width: 230px;
  height: 230px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent);
  box-shadow: 0 0 24px rgba(196, 154, 108, 0.2);
}

.hero-greeting {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: lowercase;
  margin-bottom: 12px;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero-title-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-body);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.hero-divider { color: var(--accent-warm); }

.hero-company {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--accent);
  font-weight: 500;
}

.hero-tagline {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto 36px;
}

.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 28px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 4px;
  transition: all 0.25s;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-deep);
}

.btn-primary:hover {
  background: var(--accent-light);
  color: var(--bg-deep);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(196, 154, 108, 0.3);
}

.btn-outline {
  border: 1px solid var(--border-accent);
  color: var(--accent);
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--accent);
  background: var(--accent-glow);
  color: var(--accent-light);
}

/* Subtle background pattern */
.hero-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image:
    radial-gradient(circle at 25% 25%, var(--accent) 1px, transparent 1px),
    radial-gradient(circle at 75% 75%, var(--accent) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

/* ---- SECTIONS ---- */
section { padding: 80px 0; }

.section-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 48px;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 48px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}

/* ---- ABOUT ---- */
#about { background: var(--bg-primary); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}

.about-text p {
  margin-bottom: 16px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}

.about-text strong { color: var(--accent-light); font-weight: 600; }

.about-details { display: flex; flex-direction: column; gap: 12px; }

.detail-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px 20px;
}

.detail-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 4px;
}

.detail-value {
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 500;
}

/* ---- EXPERIENCE / TIMELINE ---- */
#experience { background: var(--bg-deep); }

.timeline {
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  margin-bottom: 36px;
}

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

.timeline-marker {
  position: absolute;
  left: -32px;
  top: 8px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: var(--bg-deep);
}

.timeline-item:first-child .timeline-marker {
  background: var(--accent);
  box-shadow: 0 0 12px rgba(196, 154, 108, 0.4);
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.timeline-content:hover {
  border-color: var(--border-accent);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.timeline-header h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
}

.timeline-role {
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 500;
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.timeline-content ul {
  list-style: none;
  margin-top: 8px;
}

.timeline-content li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 8px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.timeline-content li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

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

/* ---- SKILLS ---- */
#skills { background: var(--bg-primary); }

.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px;
}

.skill-category h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent-light);
  margin-bottom: 16px;
}

.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }

.skill-tags span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 5px 12px;
  background: rgba(196, 154, 108, 0.08);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.skill-tags span:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

/* ---- PROJECTS ---- */
#projects { background: var(--bg-deep); }

.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px;
  transition: all 0.3s;
}

.project-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.project-icon {
  font-size: 1.6rem;
  color: var(--accent);
  margin-bottom: 12px;
}

.project-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.project-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 14px;
}

.project-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ---- RESUME ---- */
#resume { background: var(--bg-primary); }

.section-title a {
  color: inherit;
  transition: color 0.2s;
}

.section-title a:hover {
  color: var(--accent);
}

.resume-pages {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.resume-page {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}

.resume-page:hover {
  border-color: var(--border-accent);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.resume-page img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
}

/* ---- CONTACT ---- */
#contact {
  background: var(--bg-primary);
  text-align: center;
}

.contact-text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 40px;
}

.contact-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px 40px;
  transition: all 0.3s;
  min-width: 200px;
}

.contact-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(196, 154, 108, 0.15);
}

.contact-icon {
  font-size: 1.6rem;
  color: var(--accent);
  margin-bottom: 8px;
  font-style: normal;
  font-weight: 700;
}

.contact-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 4px;
}

.contact-value {
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 500;
}

/* ---- FOOTER ---- */
footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  text-align: center;
}

footer p {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ---- FADE IN ANIMATION ---- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .nav-links { display: none; }

  .nav-toggle { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(15, 11, 8, 0.97);
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
  }

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

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

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

  .hero-name { font-size: 2.8rem; }

  .hero-title-wrapper { flex-direction: column; gap: 4px; }

  .hero-divider { display: none; }

  .timeline-header { flex-direction: column; gap: 4px; }

  .resume-pages { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
}

@media (max-width: 480px) {
  section { padding: 60px 0; }
  .container { padding: 0 16px; }
  .contact-links { flex-direction: column; align-items: center; }
}