/* ============================================
   Abhishek Pathik — Portfolio
   Design tokens — premium, minimal, one accent
   ============================================ */
:root {
  --bg: #0F0E0C;
  --surface: #16140F;
  --text: #E9E4D8;
  --text-muted: #8A8375;
  --text-faint: #5C5748;
  --border: #262219;
  --accent: #A9824A;
  --accent-dim: #6E5A38;
  --font-display: 'Fraunces', serif;
  --font-body: 'Archivo', sans-serif;
  --max-w: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
}

/* Typography */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.08;
  margin: 0;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.8rem, 6vw, 5rem); font-weight: 400; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.25rem; font-weight: 500; }

p { max-width: 62ch; color: var(--text-muted); font-size: 1rem; }
.lede { font-size: 1.1rem; color: var(--text); max-width: 58ch; }

.eyebrow {
  color: var(--text-faint);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(15, 14, 12, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--accent-dim);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.nav .brand { font-family: var(--font-display); font-size: 1.15rem; color: var(--text); letter-spacing: -0.01em; }
.nav .links { display: flex; gap: 32px; font-size: 0.88rem; color: var(--text-muted); font-weight: 500; }
.nav .links a { transition: color .2s ease; }
.nav .links a:hover { color: var(--accent); }
.nav .links a.back::before { content: "← "; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  font-size: 0.95rem;
  border: 1px solid var(--border);
  transition: border-color .25s ease, color .25s ease;
  color: var(--text);
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn.solid { background: var(--accent); border-color: var(--accent); color: #0F0E0C; font-weight: 600; }
.btn.solid:hover { background: transparent; color: var(--accent); }

/* Hero */
.hero {
  padding: 140px 0 100px;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 60px;
  align-items: end;
  border-bottom: 1px solid var(--border);
  opacity: 0;
  animation: rise .9s ease forwards;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero h1 span { display: block; }
.hero .role {
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--accent);
  margin-top: 22px;
  letter-spacing: 0.02em;
}
.hero .bio { margin-top: 22px; }
.hero .photo {
  width: 100%;
  aspect-ratio: 4/5;
  overflow: hidden;
  filter: grayscale(0.5) contrast(1.05);
}
.hero .photo img { width: 100%; height: 100%; object-fit: cover; }

/* Sections */
.section { padding: 100px 0; border-bottom: 1px solid var(--border); }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 56px;
  gap: 24px;
}
.section-head .count { color: var(--text-faint); font-size: 0.9rem; font-variant-numeric: tabular-nums; }

/* Work list — no cards, pure editorial rows */
.work-item {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 48px;
  padding: 56px 0;
  border-top: 1px solid var(--border);
  align-items: center;
}
.work-item:first-child { border-top: none; padding-top: 0; }
.work-item .thumb { overflow: hidden; aspect-ratio: 16/11; }
.work-item .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.work-item:hover .thumb img { transform: scale(1.03); }
.work-item h3 { font-size: 1.7rem; margin-bottom: 16px; }
.work-item .tag { display: block; color: var(--text-faint); font-size: 0.85rem; margin-bottom: 14px; }
.work-item .go {
  margin-top: 22px;
  font-size: 0.92rem;
  color: var(--text);
  display: inline-block;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--border);
}
.work-item:hover .go { border-color: var(--accent); color: var(--accent); }
.work-item.reverse { grid-template-columns: 1.15fr 1fr; }
.work-item.reverse .thumb { order: 2; }

/* Philosophy — plain list, numbered by real sequence removed, use hairline divider instead */
.philosophy-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border-top: 1px solid var(--border); }
.philosophy-item {
  padding: 32px 40px 32px 0;
  border-bottom: 1px solid var(--border);
}
.philosophy-item:nth-child(odd) { border-right: 1px solid var(--border); }
.philosophy-item .mark { font-family: var(--font-display); font-size: 1.2rem; color: var(--text); margin-bottom: 10px; }

/* Experience — true sequence, so a rule works here */
.exp-row {
  display: grid;
  grid-template-columns: 150px 1fr 1.3fr;
  gap: 32px;
  padding: 32px 0;
  border-top: 1px solid var(--border);
}
.exp-row:first-child { border-top: none; }
.exp-row .years { color: var(--text-faint); font-size: 0.9rem; font-variant-numeric: tabular-nums; }
.exp-row .role { font-weight: 500; font-family: var(--font-display); font-size: 1.1rem; }
.exp-row .company { color: var(--accent); font-size: 0.92rem; margin-top: 4px; }
.exp-row .desc { color: var(--text-muted); font-size: 0.94rem; }

/* Footer */
.footer { padding: 80px 0 56px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 24px; }
.footer .cta h2 { margin-bottom: 18px; }
.footer .meta { color: var(--text-faint); font-size: 0.88rem; }

/* Case study pages */
.cs-hero { padding: 80px 0 40px; }
.cs-hero h1 { font-size: clamp(2.1rem, 4.4vw, 3.3rem); max-width: 17ch; }
.cs-meta {
  display: flex;
  gap: 48px;
  margin-top: 44px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.cs-meta div span { display: block; color: var(--text-faint); font-size: 0.8rem; margin-bottom: 8px; }
.cs-hero-img { margin: 44px 0 0; overflow: hidden; }

.cs-section { padding: 72px 0; border-top: 1px solid var(--border); }
.cs-section h2 { margin-bottom: 28px; }
.cs-section .lede { margin-bottom: 22px; }

.goal-list { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 16px; }
.goal-list li { padding-left: 24px; position: relative; color: var(--text-muted); }
.goal-list li::before {
  content: "";
  position: absolute; left: 0; top: 10px;
  width: 6px; height: 6px;
  background: var(--accent);
}

/* Principles / impact — plain columns with top rule, no boxes */
.principle-grid, .impact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--border); }
.principle-card, .impact-card {
  padding: 28px 28px 28px 0;
  border-right: 1px solid var(--border);
}
.principle-card:last-child, .impact-card:last-child { border-right: none; }
.principle-card h3, .impact-card h3 { font-size: 1.05rem; margin-bottom: 12px; }
.principle-card .def { font-size: 0.92rem; color: var(--text-faint); margin-bottom: 14px; }
.principle-card .app, .impact-card p { font-size: 0.92rem; margin: 0; }

.before-after { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin: 32px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.ba-col { padding: 26px 28px; }
.ba-col:first-child { border-right: 1px solid var(--border); }
.ba-col .label { font-size: 0.78rem; color: var(--text-faint); margin-bottom: 12px; letter-spacing: 0.02em; }
.ba-col.after .label { color: var(--accent); }
.ba-col p { font-size: 0.92rem; margin: 0; }
.ba-col .impact { margin-top: 16px; font-size: 0.88rem; color: var(--accent); }

.full-img { margin: 32px 0; overflow: hidden; }
.img-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 32px 0; }
.img-row figure { margin: 0; }
.img-row figcaption { font-size: 0.82rem; color: var(--text-faint); margin-top: 10px; }

.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 32px; }
.gallery img { border: none; }

.next-project { padding: 100px 0; text-align: center; }
.next-project span { color: var(--text-faint); font-size: 0.9rem; }
.next-project h2 { margin: 16px 0 34px; }

/* Responsive */
@media (max-width: 860px) {
  .wrap { padding: 0 24px; }
  .hero { grid-template-columns: 1fr; padding-top: 100px; padding-bottom: 70px; gap: 36px; }
  .hero .photo { max-width: 180px; }
  .work-item, .work-item.reverse { grid-template-columns: 1fr; gap: 24px; padding: 40px 0; }
  .work-item.reverse .thumb { order: 0; }
  .philosophy-grid, .principle-grid, .impact-grid, .before-after, .img-row, .gallery { grid-template-columns: 1fr; }
  .philosophy-item:nth-child(odd), .principle-card, .impact-card, .ba-col:first-child { border-right: none; }
  .exp-row { grid-template-columns: 1fr; gap: 6px; padding: 24px 0; }
  .section { padding: 64px 0; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 10px; margin-bottom: 40px; }
  .cs-meta { gap: 28px; }
  .footer { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  .wrap { padding: 0 20px; }
  .nav .wrap { height: 60px; }
  .nav .brand { font-size: 0.98rem; }
  .nav .links { gap: 16px; font-size: 0; }
  .nav .links a { font-size: 0.82rem; }
  .nav .links a:not(.back):not(:last-child) { display: none; }
  h1 { font-size: clamp(2.2rem, 9vw, 2.8rem); }
  .hero .bio { max-width: 40ch; }
  .cs-meta { flex-direction: column; gap: 20px; }
  .gallery { gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

a:focus-visible, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }