/* =============================================
   OE-WP Project — Ujjawal Sharma
   Theme: Editorial / Warm Ink
   ============================================= */

:root {
  --bg:        #f5f0e8;
  --bg-alt:    #ede7d9;
  --ink:       #1c1410;
  --ink-light: #5a4a3a;
  --accent:    #c96a2e;
  --accent-2:  #3d6b5e;
  --border:    #d4c9b8;
  --card-bg:   #faf7f2;

  --serif:  'DM Serif Display', Georgia, serif;
  --sans:   'DM Sans', system-ui, sans-serif;
  --mono:   'DM Mono', 'Courier New', monospace;

  --radius: 4px;
  --transition: 0.25s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.7;
  min-height: 100vh;
}

/* ---- Utility ---- */
.mono { font-family: var(--mono); font-size: 0.82em; letter-spacing: 0.03em; }
.container { max-width: 1080px; margin: 0 auto; padding: 0 2rem; }
.label { color: var(--ink-light); text-transform: uppercase; font-size: 0.72em; letter-spacing: 0.1em; }
.lead { font-size: 1.15rem; color: var(--ink-light); max-width: 680px; margin-bottom: 3rem; }

a { color: var(--accent); text-decoration: none; transition: opacity var(--transition); }
a:hover { opacity: 0.75; }

code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--bg-alt);
  padding: 2px 6px;
  border-radius: var(--radius);
  color: var(--accent-2);
}

/* ---- Navbar ---- */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2.5rem;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.nav-brand .mono {
  font-size: 1rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.12em;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-light);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color var(--transition);
  position: relative;
  padding-bottom: 3px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1.5px;
  background: var(--accent);
  transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--ink);
  opacity: 1;
}

.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--ink);
  padding: 4px;
}

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.hero-grid {
  position: relative;
  z-index: 2;
  padding: 6rem 2.5rem 5rem;
  max-width: 720px;
}

.hero-label {
  display: inline-block;
  color: var(--ink-light);
  margin-bottom: 1.5rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.hero-title {
  font-family: var(--serif);
  font-size: clamp(3.5rem, 8vw, 7rem);
  line-height: 1.0;
  color: var(--ink);
  margin-bottom: 1rem;
}

.hero-title em {
  font-style: italic;
  color: var(--accent);
}

.hero-sub {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--ink-light);
  letter-spacing: 0.08em;
  margin-bottom: 2.5rem;
}

.hero-meta {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.meta-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 1rem 1.4rem;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 200px;
}

.meta-card .label { color: var(--accent-2); }
.meta-card .value { font-weight: 500; font-size: 0.95rem; }

.cta-btn {
  display: inline-block;
  background: var(--ink);
  color: var(--bg) !important;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: background var(--transition), transform var(--transition);
}

.cta-btn:hover {
  background: var(--accent);
  opacity: 1;
  transform: translateY(-2px);
}

/* Hero deco */
.hero-deco { position: absolute; inset: 0; z-index: 1; pointer-events: none; }

.deco-circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--border);
}

.c1 {
  width: 520px; height: 520px;
  right: -80px; top: -100px;
  background: radial-gradient(circle at 60% 40%, rgba(201,106,46,0.06), transparent 70%);
}

.c2 {
  width: 300px; height: 300px;
  right: 120px; bottom: 60px;
  background: transparent;
  border-color: rgba(201,106,46,0.2);
}

.deco-line {
  position: absolute;
  background: var(--border);
}

.l1 { width: 1px; height: 100%; right: 38%; top: 0; opacity: 0.4; }
.l2 { width: 60%; height: 1px; right: 0; top: 45%; opacity: 0.3; }

/* ---- Intro Section ---- */
.intro-section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border);
}

.intro-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.intro-text h2 {
  font-family: var(--serif);
  font-size: 2.2rem;
  margin-bottom: 1.2rem;
  line-height: 1.15;
}

.intro-text p { color: var(--ink-light); margin-bottom: 1rem; }

.intro-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-content: flex-start;
}

.pill {
  font-family: var(--mono);
  font-size: 0.78rem;
  padding: 0.4rem 0.9rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--ink-light);
  letter-spacing: 0.04em;
  transition: border-color var(--transition), color var(--transition);
}

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

/* ---- Cards Section ---- */
.cards-section {
  padding: 5rem 0;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}

.section-title {
  font-family: var(--serif);
  font-size: 2rem;
  margin-bottom: 2.5rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}

.card {
  display: block;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem 1.5rem;
  text-decoration: none;
  color: var(--ink);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(28,20,16,0.08);
  opacity: 1;
}

.card:hover::before { transform: scaleX(1); }

.card--active {
  border-color: var(--accent);
  background: var(--bg);
}

.card--active::before { transform: scaleX(1); }

.card-num {
  display: block;
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  margin-bottom: 0.8rem;
}

.card h3 {
  font-family: var(--serif);
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.card p { font-size: 0.88rem; color: var(--ink-light); line-height: 1.5; }

/* ---- Quote Section ---- */
.quote-section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--border);
}

blockquote {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-style: italic;
  line-height: 1.3;
  max-width: 720px;
  color: var(--ink);
  border-left: 3px solid var(--accent);
  padding-left: 2rem;
}

blockquote cite {
  display: block;
  font-family: var(--mono);
  font-style: normal;
  font-size: 0.75rem;
  color: var(--ink-light);
  letter-spacing: 0.06em;
  margin-top: 1rem;
}

/* ---- Page Header ---- */
.page-header {
  padding: 5rem 2.5rem 3.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.page-tag {
  display: inline-block;
  color: var(--accent);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.page-title {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1.05;
}

.page-title em { font-style: italic; color: var(--accent); }

/* ---- About Page ---- */
.about-section { padding: 5rem 0; }

.about-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 4rem;
  align-items: start;
}

.profile-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  position: sticky;
  top: 80px;
}

.profile-img-placeholder {
  width: 100%;
  aspect-ratio: 1;
  background: var(--bg-alt);
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.profile-img-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-initials {
  font-family: var(--serif);
  font-size: 2.5rem;
  color: var(--ink-light);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.profile-info h2 {
  font-family: var(--serif);
  font-size: 1.3rem;
  line-height: 1.2;
  margin-bottom: 0.3rem;
}

.profile-enroll {
  color: var(--ink-light);
  font-size: 0.78rem;
  display: block;
  margin-bottom: 1.5rem;
}

.profile-details {
  list-style: none;
  border-top: 1px solid var(--border);
  padding-top: 1.2rem;
  margin-bottom: 1.5rem;
}

.profile-details li {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
  gap: 0.5rem;
}

.profile-details .mono { color: var(--ink-light); flex-shrink: 0; }

.profile-link {
  display: block;
  text-align: center;
  padding: 0.6rem 1rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent) !important;
  transition: background var(--transition), color var(--transition);
}

.profile-link:hover {
  background: var(--accent);
  color: var(--bg) !important;
  opacity: 1;
}

.about-content { display: flex; flex-direction: column; gap: 2.5rem; }

.about-block h3 {
  font-family: var(--serif);
  font-size: 1.5rem;
  margin-bottom: 0.8rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.about-block p { color: var(--ink-light); margin-bottom: 0.8rem; }

.project-list { list-style: none; }

.project-list li {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.project-list li a { font-weight: 500; }
.project-list li span { color: var(--ink-light); font-size: 0.85rem; }

.skills-grid { display: flex; flex-direction: column; gap: 1rem; }

.skill-item {}
.skill-name { font-size: 0.88rem; color: var(--ink-light); display: block; margin-bottom: 0.3rem; }

.skill-bar {
  height: 4px;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
  transition: width 1s ease;
}

/* ---- Topics Page ---- */
.topics-intro { padding: 3rem 0 1rem; }
.topics-section { padding: 2rem 0 5rem; }

.topic-block {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
  background: var(--card-bg);
  overflow: hidden;
}

.topic-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
  cursor: pointer;
  transition: background var(--transition);
}

.topic-header:hover { background: var(--border); }

.topic-num {
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  flex-shrink: 0;
}

.topic-header h2 {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 400;
}

.topic-body {
  padding: 2rem;
}

.topic-body > p { color: var(--ink-light); margin-bottom: 1.5rem; }

.topic-sub { margin-bottom: 1.5rem; }

.topic-sub h4 {
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-2);
  margin-bottom: 0.8rem;
}

.topic-sub ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.topic-sub ul li {
  font-size: 0.9rem;
  color: var(--ink-light);
  padding-left: 1rem;
  position: relative;
}

.topic-sub ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.8rem;
}

.code-block {
  background: var(--ink);
  border-radius: var(--radius);
  overflow: hidden;
}

.code-lang {
  display: block;
  padding: 0.5rem 1rem;
  background: rgba(255,255,255,0.05);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.code-block pre {
  padding: 1.2rem 1.5rem;
  overflow-x: auto;
}

.code-block code {
  background: none;
  color: #d4c9b8;
  font-size: 0.85rem;
  line-height: 1.7;
  padding: 0;
}

/* ---- Contact Page ---- */
.contact-section { padding: 5rem 0; }

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h2 {
  font-family: var(--serif);
  font-size: 1.5rem;
  margin-bottom: 1.2rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.info-list { list-style: none; }

.info-list li {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.info-list .mono { color: var(--accent-2); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; }
.info-list strong { font-weight: 500; }

.links-list { list-style: none; }
.links-list li { padding: 0.5rem 0; font-size: 0.9rem; color: var(--ink-light); }

.contact-form-wrapper h2 {
  font-family: var(--serif);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.form-note {
  font-size: 0.85rem;
  color: var(--ink-light);
  margin-bottom: 2rem;
  font-style: italic;
}

.contact-form { display: flex; flex-direction: column; gap: 1.2rem; }

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink-light);
  letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--sans);
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--ink);
  outline: none;
  transition: border-color var(--transition);
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-error { font-size: 0.8rem; color: #c0392b; min-height: 1em; }

.submit-btn {
  align-self: flex-start;
  background: var(--ink);
  color: var(--bg);
  border: none;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  letter-spacing: 0.02em;
}

.submit-btn:hover {
  background: var(--accent);
  transform: translateY(-2px);
}

.form-success {
  padding: 0.8rem 1.2rem;
  background: rgba(61,107,94,0.1);
  border: 1px solid var(--accent-2);
  border-radius: var(--radius);
  color: var(--accent-2);
  font-size: 0.9rem;
}

/* ---- Footer ---- */
.footer {
  background: var(--ink);
  color: rgba(245,240,232,0.6);
  padding: 2.5rem 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  font-size: 0.82rem;
  line-height: 1.6;
}

.footer .mono { color: rgba(245,240,232,0.85); }
.footer-right { text-align: right; }
.footer a { color: var(--accent); }

/* ---- Animations ---- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-grid > * {
  animation: fadeUp 0.7s ease both;
}

.hero-grid > *:nth-child(1) { animation-delay: 0.0s; }
.hero-grid > *:nth-child(2) { animation-delay: 0.1s; }
.hero-grid > *:nth-child(3) { animation-delay: 0.2s; }
.hero-grid > *:nth-child(4) { animation-delay: 0.3s; }
.hero-grid > *:nth-child(5) { animation-delay: 0.4s; }

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .intro-split { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-layout { grid-template-columns: 1fr; }
  .profile-card { position: static; }
  .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .navbar { padding: 0.8rem 1.2rem; }
  .nav-links { display: none; flex-direction: column; gap: 0.8rem; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg); border-bottom: 1px solid var(--border); padding: 1rem 1.5rem; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }

  .hero-grid { padding: 4rem 1.2rem 3rem; }
  .cards-grid { grid-template-columns: 1fr; }
  .page-header { padding: 3rem 1.2rem 2rem; }
  .container { padding: 0 1.2rem; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-right { text-align: left; }
  .hero-meta { flex-direction: column; }
  .meta-card { min-width: unset; }
}