/* ============================================================
   Rishabh Bahuguna · Portfolio
   style.css — all visual styles
   ============================================================ */

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --ink:      #1a1a18;
  --ink2:     #4a4a45;
  --ink3:     #888880;
  --paper:    #f7f5f0;
  --paper2:   #eeece6;
  --accent:   #E14000;
  --accent2:  #1d5c8a;
  --brand:    #00a1e1;
  --border:   rgba(26, 26, 24, 0.10);
  --serif:    'DM Serif Display', Georgia, serif;
  --sans:     'Jost', 'Century Gothic', system-ui, sans-serif;
  --max:      860px;
  --radius:   4px;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

/* ── Utilities ──────────────────────────────────────────────── */
.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 2rem;
}
.divider {
  border: none;
  border-top: 1px solid var(--border);
  max-width: var(--max);
  margin: 0 auto;
}
.section-num {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.4rem;
}
.section-title {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--ink);
  line-height: 1.2;
}
.section-sub {
  font-size: 0.92rem;
  color: var(--ink2);
  margin-top: 0.5rem;
}
.section-header { margin-bottom: 2.5rem; }

/* ── Navigation ─────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}
.nav-logo {
  font-family: var(--sans);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
}
.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.85rem;
  color: var(--ink2);
  text-decoration: none;
  letter-spacing: .03em;
  transition: color .2s;
}
.nav-links a:hover { color: var(--accent); }
.nav-links a.active { color: var(--ink); font-weight: 500; }
.nav-cta {
  font-size: 0.82rem;
  font-weight: 500;
  padding: 6px 16px;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  color: var(--ink);
  text-decoration: none;
  transition: all .2s;
}
.nav-cta:hover {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  transition: all .25s;
}
.mobile-menu {
  display: none;
  position: absolute;
  top: 56px;
  left: 0;
  right: 0;
  background: var(--paper);
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
  flex-direction: column;
  gap: 1rem;
  z-index: 99;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 0.95rem;
  color: var(--ink2);
  text-decoration: none;
}

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 5rem 2rem 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
}
.hero-text {
  flex: 1;
}
.hero-eyebrow {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.hero-name {
  font-family: 'Jost', 'Century Gothic', system-ui, sans-serif;
  font-weight: 700;
  font-style: normal;
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  line-height: 1.1;
  color: var(--brand);
  margin-bottom: 1.2rem;
}
.hero-name em {
  font-style: normal;
  font-weight: 700;
  color: var(--brand);
}
.hero-desc {
  font-size: 1rem;
  color: var(--ink2);
  line-height: 1.75;
  margin-bottom: 1.8rem;
  max-width: 100%;
}
.hero-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-photo {
  flex-shrink: 0;
  width: 200px;
  height: 200px;
}
.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--brand);
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn-primary {
  font-size: 0.88rem;
  font-weight: 500;
  padding: 10px 24px;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  text-decoration: none;
  transition: all .2s;
  cursor: pointer;
}
.btn-primary:hover {
  background: var(--brand);
  border-color: var(--brand);
}
.btn-outline {
  font-size: 0.88rem;
  font-weight: 500;
  padding: 10px 24px;
  background: transparent;
  color: #0a66c2;
  border: 1px solid #0a66c2;
  border-radius: var(--radius);
  text-decoration: none;
  transition: all .2s;
}
.btn-outline:hover {
  background: #0a66c2;
  color: #ffffff;
}

/* ── About ──────────────────────────────────────────────────── */
#about .section-title,
#skills .section-title {
  font-family: 'Jost', 'Century Gothic', system-ui, sans-serif;
  font-weight: 300;
  letter-spacing: -0.01em;
}
#about {
  max-width: var(--max);
  margin: 0 auto;
  padding: 4rem 2rem 5rem;
}
.about-body {
  font-size: 1.02rem;
  color: var(--ink2);
  line-height: 1.85;
}
.about-body p {
  margin-bottom: 1.1rem;
  font-size: 1.02rem;
  color: var(--ink2);
  line-height: 1.85;
}
.about-body p:last-child { margin-bottom: 0; }
.about-body strong {
  color: var(--ink);
  font-weight: 500;
}
.about-body em { font-style: italic; }
.about-body a {
  color: var(--brand);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity .2s, color .2s;
}
.about-body a:hover { opacity: 0.75; }

.about-headline {
  font-family: 'Jost', 'Century Gothic', system-ui, sans-serif;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 300;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 1.75rem;
}
.about-headline em {
  font-family: 'Jost', 'Century Gothic', system-ui, sans-serif;
  font-style: italic;
  font-weight: 400;
  color: var(--accent2);
}

.about-pull {
  border-left: 2.5px solid var(--accent);
  padding: 6px 0 6px 22px;
  margin: 1.75rem 0;
  background: rgba(225, 64, 0, 0.04);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.about-pull p {
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--ink2);
  margin: 0;
}

.stories-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 3rem 0 0.4rem;
  display: block;
}
.stories-sub {
  font-family: 'Jost', 'Century Gothic', system-ui, sans-serif;
  font-style: italic;
  font-size: 0.88rem;
  color: var(--ink3);
  margin: 0 0 2.5rem;
  display: block;
}

.story-card {
  padding-bottom: 2.5rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
}
.story-card:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}
.story-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.story-tag {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink3);
  background: var(--paper2);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: var(--radius);
  white-space: nowrap;
}
.story-subtitle {
  font-family: var(--sans);
  font-style: italic;
  font-size: 0.88rem;
  color: var(--ink3);
}
.story-card p {
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--ink2);
  margin-bottom: 0.9rem;
}
.story-card p:last-of-type { margin-bottom: 0.5rem; }
.story-source {
  font-family: var(--sans);
  font-style: italic;
  font-size: 0.78rem;
  color: var(--ink3);
  padding-left: 12px;
  border-left: 1px solid var(--border);
  margin-top: 0.75rem;
  display: block;
  line-height: 1.6;
}

.about-footer-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 3rem 0 1.75rem;
}
.about-footer-cell {
  padding: 14px 16px;
  background: var(--paper2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.about-footer-cell .afc-label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink3);
  margin-bottom: 5px;
}
.about-footer-cell .afc-value {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.5;
}

.about-closing-quote {
  border-top: 1px solid var(--accent);
  border-bottom: 1px solid var(--border);
  background: rgba(225, 64, 0, 0.03);
  padding: 22px 28px;
  text-align: center;
  border-radius: 0 0 var(--radius) var(--radius);
}
.about-closing-quote p {
  font-family: var(--sans);
  font-style: italic;
  font-weight: 300;
  font-size: 0.93rem;
  color: var(--ink3);
  line-height: 1.7;
  margin: 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 3rem;
  align-items: start;
}
.sidebar-block { margin-bottom: 1.5rem; }
.sidebar-label {
  font-size: 0.72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink3);
  margin-bottom: 0.5rem;
}
.sidebar-val { font-size: 0.9rem; color: var(--ink2); }
.sidebar-val a { color: var(--accent2); text-decoration: none; }
.sidebar-val a:hover { color: var(--accent); }
.avail-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: var(--radius);
  background: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #a5d6a7;
}

/* ── Projects ───────────────────────────────────────────────── */
#projects {
  max-width: var(--max);
  margin: 0 auto;
  padding: 4rem 2rem;
}
.projects-grid { display: grid; gap: 1.5rem; }
.project-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: white;
  display: grid;
  grid-template-columns: 1fr 2fr;
  transition: box-shadow .2s, transform .2s;
}
.project-card:hover {
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}
.project-card.featured {
  border-color: var(--accent2);
  border-width: 1.5px;
}
.project-img {
  background: var(--paper2);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  padding: 2rem;
}
.project-img-inner {
  width: 72px;
  height: 72px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  background: var(--paper);
  border: 1px solid var(--border);
}
.project-body { padding: 1.5rem; }
.project-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}
.project-type {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: var(--radius);
  color: var(--accent2);
  background: rgba(29, 92, 138, 0.08);
}
.project-wip {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: var(--radius);
  color: #7b5c00;
  background: rgba(255, 193, 7, 0.12);
}
.project-title {
  font-family: var(--serif);
  font-size: 1.3rem;
  color: var(--ink);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}
.project-desc {
  font-size: 0.93rem;
  color: var(--ink2);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}
.project-insight {
  font-size: 0.83rem;
  color: var(--accent);
  border-left: 2px solid var(--accent);
  padding-left: 10px;
  margin-bottom: 1rem;
  font-style: italic;
}
.project-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 1rem;
}
.tool-tag {
  font-size: 0.75rem;
  padding: 2px 8px;
  background: var(--paper2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--ink2);
}
.project-link {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--accent2);
  text-decoration: none;
  letter-spacing: .02em;
  transition: color .2s;
}
.project-link:hover { color: var(--accent); }
.project-link::after { content: ' →'; }
.project-coming {
  font-size: 0.82rem;
  color: var(--ink3);
  font-style: italic;
}

/* ── Skills ─────────────────────────────────────────────────── */
#skills {
  max-width: var(--max);
  margin: 0 auto;
  padding: 4rem 2rem;
}
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.2rem;
}
.skill-group {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem;
}
.skill-group-title {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--accent);
  margin-bottom: 0.8rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
}
.skill-list { list-style: none; }
.skill-list li {
  font-size: 0.88rem;
  color: var(--ink2);
  padding: 3px 0;
}
.skill-list li::before { content: '—  '; color: var(--ink3); }

/* ── Contact ─────────────────────────────────────────────────── */
#contact {
  max-width: var(--max);
  margin: 0 auto;
  padding: 4rem 2rem;
}
.contact-inner {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 3rem;
  align-items: center;
}
.contact-title {
  font-family: var(--serif);
  font-size: 1.8rem;
  color: var(--ink);
  margin: 0.5rem 0 1rem;
}
.contact-desc {
  font-size: 1.02rem;
  color: var(--ink2);
  line-height: 1.8;
  margin-bottom: 1rem;
}
.contact-right {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 0;
  align-items: flex-start;
}
.contact-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--border);
  background: white;
  transition: all .2s;
  width: fit-content;
}
.contact-pill svg { flex-shrink: 0; }
.contact-pill .pill-slash { color: var(--ink3); font-weight: 300; }
.contact-pill .pill-username { color: var(--ink2); font-size: 0.82rem; }
.contact-pill:hover .pill-username { color: var(--ink); }

.contact-pill.linkedin { color: #0a66c2; border-color: rgba(10,102,194,0.2); }
.contact-pill.linkedin:hover { background: #0a66c2; border-color: #0a66c2; }
.contact-pill.linkedin:hover .pill-slash,
.contact-pill.linkedin:hover .pill-username { color: #ffffff; }

.contact-pill.github { color: #24292f; border-color: rgba(36,41,47,0.2); }
.contact-pill.github:hover { background: #24292f; border-color: #24292f; }
.contact-pill.github:hover .pill-slash,
.contact-pill.github:hover .pill-username { color: #ffffff; }

.contact-pill.email { color: #EA4335; border-color: rgba(234,67,53,0.2); }
.contact-pill.email:hover { background: #EA4335; border-color: #EA4335; }
.contact-pill.email:hover .pill-slash,
.contact-pill.email:hover .pill-username { color: #ffffff; }

/* ── Footer ─────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max);
  margin: 0 auto;
}
.footer-note { font-size: 0.8rem; color: var(--ink3); }

/* ── Animations ─────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up {
  opacity: 0;
  animation: fadeUp .6s ease forwards;
}
.delay-1 { animation-delay: .1s; }
.delay-2 { animation-delay: .2s; }
.delay-3 { animation-delay: .35s; }
.delay-4 { animation-delay: .5s; }

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 680px) {
  .hero {
    flex-direction: column;
    align-items: flex-start;
    padding: 3rem 1.5rem 2.5rem;
    gap: 1.5rem;
  }
  .hero-photo {
    width: 120px;
    height: 120px;
  }
  .about-grid  { grid-template-columns: 1fr; }
  .about-footer-strip { grid-template-columns: 1fr; }
  .project-card { grid-template-columns: 1fr; }
  .project-img  { min-height: 80px; }
  .contact-inner { grid-template-columns: 1fr; }
  .contact-pill { width: 100%; }
  .nav-links  { display: none; }
  .nav-cta    { display: none; }
  .nav-hamburger { display: flex; }
  section, #about, #projects, #skills, #contact {
    padding: 3rem 1.5rem;
  }
  footer { flex-direction: column; gap: 6px; text-align: center; }
  .story-card-header { flex-direction: column; align-items: flex-start; gap: 4px; }
  .about-closing-quote { padding: 18px 20px; }
}