/* ============================================
   Deboshree Roy — Personal Site
   ============================================ */

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

:root {
  --bg: #f9f7f4;
  --bg2: #f2efe9;
  --ink: #1a1814;
  --ink2: #4a4740;
  --muted: #9a9490;
  --accent: #9b2d5a;
  --accent-dark: #7d2449;
  --accent2: #3d6b5e;
  --border: #e2ddd6;
  --serif: 'Fraunces', Georgia, serif;
  --sans: 'Instrument Sans', sans-serif;
  --mono: 'Fira Code', monospace;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ─── NAV ─── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 3.5rem;
  background: rgba(249,247,244,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.01em;
}
.nav-logo em { font-style: italic; color: var(--accent); }
.nav-links {
  display: flex;
  gap: 2.2rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
  position: relative;
  padding-bottom: 3px;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active {
  color: var(--ink);
}
.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  bottom: 0;
  height: 1px;
  background: var(--accent);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  transition: all 0.25s;
}
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed;
  top: 56px; left: 0; right: 0;
  background: rgba(249,247,244,0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 2rem;
  z-index: 99;
  flex-direction: column;
  gap: 0;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: var(--accent); }

/* ─── LAYOUT ─── */
.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 2.5rem;
}
.container-wide {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 2.5rem;
}

main { padding-top: 5rem; }

section { padding: 4.5rem 0; }
section:first-child { padding-top: 5rem; }

/* ─── PAGE HEADER (non-home pages) ─── */
.page-header {
  padding: 5.5rem 0 3.5rem;
  border-bottom: 1px solid var(--border);
}
.page-header .eyebrow {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.page-header h1 {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 1.2rem;
  color: var(--ink);
}
.page-header h1 em { font-style: italic; color: var(--accent); }
.page-header .lede {
  font-size: 1rem;
  color: var(--ink2);
  line-height: 1.7;
  max-width: 580px;
}

/* ─── HERO (home only) ─── */
#hero {
  min-height: 88vh;
  display: flex;
  align-items: center;
  padding-top: 6rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--border);
}
.hero-inner {
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
  padding: 0 2.5rem;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards 0.15s;
}
h1.hero-title {
  font-family: var(--serif);
  font-size: clamp(3.5rem, 7vw, 6.5rem);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 1.6rem;
  color: var(--accent);
}
h1.hero-title em { font-style: italic; color: var(--accent); }
.hero-desc {
  font-size: 1rem;
  color: var(--ink2);
  line-height: 1.8;
  margin-bottom: 1.4rem;
  max-width: 560px;
}
.hero-tags {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.12em;
  margin-bottom: 2.2rem;
}
.hero-cta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 1.4rem;
  border-radius: 3px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: all 0.18s;
  cursor: pointer;
  border: none;
  font-family: var(--sans);
}
.btn-primary { background: var(--accent); color: var(--bg); }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}
.btn-outline:hover { background: var(--accent); color: var(--bg); transform: translateY(-1px); }

/* ─── SECTION HEADERS (within a page) ─── */
.section-header {
  display: flex;
  align-items: baseline;
  gap: 1.2rem;
  margin-bottom: 3rem;
}
.section-num {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--accent);
  letter-spacing: 0.08em;
}
h2 {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 300;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

/* ─── ABOUT (lives on home) ─── */
#about { }
.about-body p {
  font-size: 0.97rem;
  color: var(--ink2);
  line-height: 1.85;
  margin-bottom: 1.3rem;
  max-width: 720px;
}
.about-body p strong { color: var(--ink); font-weight: 600; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 3rem;
  align-items: start;
}
.about-photo {
  aspect-ratio: 4/5;
  border-radius: 3px;
  position: relative;
  overflow: hidden;
}
.photo-caption {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-align: center;
  margin-top: 0.6rem;
  text-transform: uppercase;
}

.pull-quote {
  margin-top: 2.5rem;
  padding: 1.8rem 0 0;
  max-width: 720px;
}
.pull-quote p {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-style: italic;
  font-weight: 300;
  color: var(--ink);
  line-height: 1.55;
  margin: 0 !important;
  text-wrap: pretty;
}

/* ─── STATUS STRIP ─── */
.status-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  padding: 1.6rem 0 0;
  margin-top: 2rem;
  max-width: 520px;
}
.status-strip .col .label {
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.status-strip .col .value {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--ink);
  line-height: 1.3;
}
.status-strip .col .value.accent { color: var(--accent); font-style: italic; }

/* ─── PROJECTS LIST ─── */
.project-item {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 2rem;
  align-items: start;
  padding: 2.2rem 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: inherit;
  transition: background 0.2s;
}
/* last item border handled inline */
.project-item:hover { background: rgba(155,45,90,0.025); }
.project-item:hover .project-link { gap: 0.55rem; }

.project-num {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  padding-top: 0.3rem;
}
.project-content h3 {
  font-family: var(--serif);
  font-size: 1.18rem;
  font-weight: 300;
  margin-bottom: 0.5rem;
  color: var(--ink);
}
.project-content p {
  font-size: 0.85rem;
  color: var(--ink2);
  line-height: 1.7;
  margin-bottom: 0.9rem;
  max-width: 540px;
}
.tag-row { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.tag {
  font-family: var(--mono);
  font-size: 0.6rem;
  padding: 0.18rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--muted);
  letter-spacing: 0.04em;
  background: var(--bg2);
}
.tag.hi {
  border-color: rgba(155,45,90,0.28);
  color: var(--accent);
  background: rgba(155,45,90,0.05);
}

.status-col { padding-top: 0.3rem; text-align: right; }
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  white-space: nowrap;
}
.status-badge.live { color: var(--accent2); }
.status-badge .dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}
.status-badge.live .dot { animation: blink 2s infinite; }

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.6rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: gap 0.15s;
}

/* ─── PROJECT PLOT ─── */
.plot-wrap { margin: 2rem 0 3.5rem; }
.plot-caption {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}
.plot {
  position: relative;
  aspect-ratio: 16/9;
  max-height: 420px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg2);
  overflow: hidden;
}
.plot-axis-v {
  position: absolute;
  left: 50%; top: 8%; bottom: 8%;
  border-left: 1px dashed var(--muted);
  opacity: 0.5;
}
.plot-axis-h {
  position: absolute;
  top: 50%; left: 8%; right: 8%;
  border-top: 1px dashed var(--muted);
  opacity: 0.5;
}
.plot-label {
  position: absolute;
  font-family: var(--mono);
  font-size: 0.58rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.plot-label.top    { top: 12px; left: 50%; transform: translateX(-50%); }
.plot-label.bottom { bottom: 12px; left: 50%; transform: translateX(-50%); }
.plot-label.left   { left: 14px; top: 50%; transform: translateY(-50%); }
.plot-label.right  { right: 14px; top: 50%; transform: translateY(-50%); }

.plot-node {
  position: absolute;
  transform: translate(-50%, -50%);
  text-align: center;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}
.plot-node .dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--ink);
  margin: 0 auto 0.45rem;
  border: 2px solid var(--bg2);
  box-shadow: 0 0 0 1px var(--ink);
  transition: transform 0.18s, box-shadow 0.18s;
}
.plot-node.featured .dot {
  width: 22px; height: 22px;
  background: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 0 0 6px rgba(155,45,90,0.12);
}
.plot-node:hover .dot {
  transform: scale(1.15);
}
.plot-node .name {
  font-family: var(--serif);
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.2;
  max-width: 110px;
}
.plot-node.featured .name { color: var(--accent); font-style: italic; }
.plot-node .num {
  font-family: var(--mono);
  font-size: 0.55rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  margin-top: 0.2rem;
  display: block;
}

/* ─── FEATURED PROJECT ─── */
.featured {
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 3rem;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: border-color 0.2s;
}
.featured:hover { border-color: var(--accent); }
.featured .featured-image {
  height: 220px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.featured .featured-image::after {
  content: '';
  position: absolute; inset: 12px;
  background-image: linear-gradient(135deg, transparent 47%, var(--muted) 47%, var(--muted) 53%, transparent 53%);
  background-size: 22px 22px;
  opacity: 0.14;
}
.featured .featured-image span {
  position: relative; z-index: 1;
  background: var(--bg2);
  padding: 0 10px;
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.featured .featured-body { padding: 1.8rem 2rem; }
.featured .featured-eyebrow {
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}
.featured h3 {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 300;
  margin-bottom: 0.7rem;
  letter-spacing: -0.01em;
}
.featured p {
  font-size: 0.9rem;
  color: var(--ink2);
  line-height: 1.7;
  margin-bottom: 1.1rem;
  max-width: 600px;
}

/* ─── EXPERIENCE ─── */
.exp-item {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 2.5rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
}
/* exp-item and project-item borders handled per item */
.exp-date {
  font-family: var(--mono);
  font-size: 0.63rem;
  color: var(--muted);
  letter-spacing: 0.05em;
  line-height: 1.6;
  padding-top: 0.2rem;
}
.exp-content h3 {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink);
  margin-bottom: 0.12rem;
}
.exp-company {
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 0.85rem;
}
.exp-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.exp-bullets li {
  font-size: 0.83rem;
  color: var(--ink2);
  line-height: 1.65;
  padding-left: 1rem;
  position: relative;
}
.exp-bullets li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.65em;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--accent);
}
.exp-bullets li strong { color: var(--ink); font-weight: 600; }

/* ─── CONTACT ─── */
.contact-inner {
  max-width: 520px;
  margin: 0 auto;
  text-align: center;
}
.contact-inner > p {
  font-size: 1rem;
  color: var(--ink2);
  line-height: 1.8;
  margin-bottom: 2.5rem;
}
.contact-email {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-style: italic;
  color: var(--accent);
  text-decoration: none;
  margin-bottom: 1.5rem;
  display: inline-block;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}
.contact-email:hover { border-bottom-color: var(--accent); }
.contact-links {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}
.open-to {
  display: inline-block;
  margin-top: 2.5rem;
  padding: 1rem 1.6rem;
  border: 1px dashed var(--accent);
  border-radius: 3px;
  text-align: left;
}
.open-to .label {
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}
.open-to .value {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 300;
  color: var(--ink);
  font-style: italic;
}

/* ─── CASE STUDY (project detail) ─── */
.case-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 3rem;
}
.case-meta .label {
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}
.case-meta .value {
  font-size: 0.88rem;
  color: var(--ink);
}

.case-section { margin-bottom: 3rem; }
.case-section .case-eyebrow {
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}
.case-section h2 {
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 300;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}
.case-section p {
  font-size: 0.95rem;
  color: var(--ink2);
  line-height: 1.85;
  margin-bottom: 1rem;
  max-width: 680px;
}
.case-figure {
  margin: 2rem 0;
  height: 320px;
  background: var(--bg2);
  border: 1px dashed var(--muted);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.case-figure::after {
  content: '';
  position: absolute; inset: 12px;
  background-image: linear-gradient(135deg, transparent 47%, var(--muted) 47%, var(--muted) 53%, transparent 53%);
  background-size: 22px 22px;
  opacity: 0.14;
}
.case-figure span {
  position: relative; z-index: 1;
  background: var(--bg2);
  padding: 0 10px;
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.case-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  transition: color 0.2s;
}
.case-back:hover { color: var(--accent); }

/* ─── FOOTER ─── */
footer {
  border-top: 1px solid var(--border);
  padding: 1.75rem 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
footer p {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}
footer .footer-links {
  display: flex;
  gap: 1.4rem;
}
footer .footer-links a {
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 0.2s;
}
footer .footer-links a:hover { color: var(--accent); }

/* ─── ANIMATIONS ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ─── RESPONSIVE ─── */
@media (max-width: 760px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .container, .container-wide { padding: 0 1.5rem; }
  section { padding: 3.5rem 0; }
  .hero-inner { padding: 0 1.5rem; }

  .about-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .about-photo { max-width: 220px; margin: 0 auto; width: 100%; }

  .status-strip { grid-template-columns: 1fr; gap: 1rem; }

  .project-item { grid-template-columns: 1fr; gap: 0.5rem; }
  .project-num { display: none; }
  .status-col { text-align: left; }

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

  .case-meta { grid-template-columns: 1fr; gap: 1rem; }
  .case-figure { height: 220px; }

  .plot { aspect-ratio: 4/5; max-height: none; }
  .plot-node .name { font-size: 0.7rem; }

  footer { flex-direction: column; gap: 0.6rem; text-align: center; padding: 1.5rem; }
}