/* ============================================================
   vanshu saini — portfolio
   black / grey / futuristic
   ============================================================ */

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

:root {
  --bg:           #0a0a0a;
  --bg-soft:      #0f0f0f;
  --surface:      #141414;
  --card:         #161616;
  --card-hover:   #1c1c1c;
  --border:       rgba(255,255,255,0.07);
  --border-mid:   rgba(255,255,255,0.12);
  --border-strong:rgba(255,255,255,0.20);

  --text:         #ededed;
  --text-2:       #b8b8b8;
  --muted:        #8a8a8a;
  --subtle:       #5a5a5a;
  --faint:        #3a3a3a;

  --hl:           #ffffff;
  --accent:       #e5e5e5;

  --maxw:         1280px;
  --maxw-narrow:  960px;
  --pad-x:        2.5rem;

  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  background-image:
    radial-gradient(rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 28px 28px;
  background-position: 0 0;
}

::selection { background: rgba(255,255,255,0.18); color: var(--hl); }

a { color: inherit; text-decoration: none; }

/* ============================================================
   navigation
   ============================================================ */

nav.top {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(10,10,10,0.72);
  border-bottom: 1px solid var(--border);
  height: 64px;
}

nav.top .nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

nav.top .logo {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

nav.top .logo::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--hl);
  display: inline-block;
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(255,255,255,0.6);
}

nav.top ul.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
  align-items: center;
}

nav.top ul.nav-links a {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-transform: lowercase;
  transition: color 0.2s;
  position: relative;
}

nav.top ul.nav-links a:hover { color: var(--text); }

nav.top ul.nav-links a.active {
  color: var(--text);
}

nav.top ul.nav-links a.active::before {
  content: "/";
  color: var(--subtle);
  margin-right: 4px;
}

/* WhatsApp-style chip */
.wa-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px 6px 6px;
  border: 1px solid var(--border-mid);
  border-radius: 100px;
  background: var(--card);
  transition: background 0.2s, border-color 0.2s;
  cursor: default;
}

.wa-chip:hover {
  background: var(--card-hover);
  border-color: var(--border-strong);
}

.wa-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--surface);
  background-image: url('profile.jpeg');
  background-size: 140%;
  background-position: 50% 25%;
  border: 1px solid var(--border-mid);
  position: relative;
  flex-shrink: 0;
}

.wa-avatar::after {
  content: "";
  position: absolute;
  width: 9px;
  height: 9px;
  background: #4ade80;
  border-radius: 50%;
  right: -1px;
  bottom: -1px;
  border: 2px solid var(--card);
  box-shadow: 0 0 6px rgba(74,222,128,0.5);
}

.wa-meta {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.wa-name {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--text);
  font-weight: 500;
}

.wa-status {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

/* mobile nav */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-mid);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
}

/* ============================================================
   layout primitives
   ============================================================ */

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

main.narrow { max-width: var(--maxw-narrow); }

section {
  padding: 6rem 0;
  border-bottom: 1px solid var(--border);
}

section:last-of-type { border-bottom: none; }

.section-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--subtle);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.section-label::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--muted);
  border-radius: 50%;
}

.section-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 500;
  letter-spacing: -0.025em;
  color: var(--text);
}

h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  line-height: 1.15;
  margin-bottom: 3rem;
  max-width: 720px;
}

h2 em {
  font-style: italic;
  color: var(--muted);
  font-weight: 300;
}

h3 {
  font-size: 1.25rem;
  line-height: 1.3;
  font-weight: 500;
}

p { color: var(--text-2); }

/* ============================================================
   hero
   ============================================================ */

.hero {
  padding: 8rem 0 6rem;
  position: relative;
}

.hero .hero-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2.5rem;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border: 1px solid var(--border-mid);
  border-radius: 100px;
  background: rgba(255,255,255,0.02);
}

.hero .hero-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  background: #4ade80;
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(74,222,128,0.6);
}

.hero h1 {
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.04em;
  margin-bottom: 2rem;
  max-width: 14ch;
}

.hero h1 em {
  font-style: italic;
  color: var(--muted);
  font-weight: 300;
}

.hero .lede {
  font-size: 1.125rem;
  line-height: 1.6;
  max-width: 560px;
  color: var(--text-2);
  margin-bottom: 3rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-top: 4rem;
}

.hero-stat {
  background: var(--bg);
  padding: 1.5rem 1.25rem;
}

.hero-stat-num {
  font-family: var(--display);
  font-size: 1.75rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 4px;
  display: block;
}

.hero-stat-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ============================================================
   work list
   ============================================================ */

.work-grid {
  display: flex;
  flex-direction: column;
}

.work-row {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: 2.5rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  align-items: start;
  transition: background 0.2s;
}

.work-row:last-child { border-bottom: 1px solid var(--border); }

.work-row:hover { background: rgba(255,255,255,0.015); }

.work-date {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
  padding-top: 4px;
}

.work-date span { color: var(--subtle); display: block; margin-top: 2px; }

.work-main h3 {
  font-size: 1.25rem;
  margin-bottom: 4px;
}

.work-main .work-role {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.02em;
  margin-bottom: 1rem;
}

.work-main p {
  font-size: 14.5px;
  color: var(--text-2);
  max-width: 64ch;
  line-height: 1.65;
}

.work-main ul.bullets {
  list-style: none;
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.work-main ul.bullets li {
  font-size: 14px;
  color: var(--text-2);
  padding-left: 1.25rem;
  position: relative;
  line-height: 1.6;
}

.work-main ul.bullets li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--subtle);
}

.work-main ul.bullets li strong {
  color: var(--text);
  font-weight: 500;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 1.25rem;
}

.tag {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  background: rgba(255,255,255,0.04);
  color: var(--text-2);
  padding: 4px 10px;
  border-radius: 100px;
  border: 1px solid var(--border);
}

.work-status {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--subtle);
  white-space: nowrap;
  padding-top: 6px;
}

.work-status.present {
  color: #4ade80;
}

/* ============================================================
   project cards
   ============================================================ */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  transition: border-color 0.25s, transform 0.25s, background 0.25s;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  min-height: 320px;
}

.project-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(800px circle at var(--mx,50%) var(--my,50%), rgba(255,255,255,0.04), transparent 40%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.project-card:hover {
  border-color: var(--border-strong);
  background: var(--card-hover);
  transform: translateY(-2px);
}

.project-card:hover::after { opacity: 1; }

.project-card .pc-meta {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--subtle);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.project-card .pc-meta-num {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 4px;
  color: var(--muted);
}

.project-card h3 {
  font-size: 1.45rem;
  line-height: 1.2;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.project-card .pc-sub {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex: 1;
}

.project-card .pc-read {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text);
  letter-spacing: 0.05em;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.project-card .pc-read .arrow {
  transition: transform 0.25s;
  display: inline-block;
}

.project-card:hover .pc-read .arrow { transform: translateX(4px); }

/* ============================================================
   wins (recognition)
   ============================================================ */

.wins-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.win-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  background: var(--card);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
}

.win-card.featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  padding: 0;
  overflow: hidden;
  align-items: stretch;
}

.win-card.featured .win-left {
  padding: 2.5rem;
}

.win-card.featured .win-photo {
  background-image: url('vanshu.jpeg');
  background-size: cover;
  background-position: 50% 35%;
  min-height: 360px;
  border-left: 1px solid var(--border);
  position: relative;
}

.win-card.featured .win-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(10,10,10,0.45) 0%, transparent 30%, transparent 100%);
}

.win-meta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--subtle);
  display: flex;
  gap: 12px;
  align-items: center;
}

.win-meta .win-year {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 4px;
  color: var(--text-2);
}

.win-title {
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.25;
  margin-bottom: 4px;
}

.win-org {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.win-desc {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.65;
}

.win-prize {
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text);
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.win-prize::before {
  content: "→";
  color: var(--muted);
}

/* ============================================================
   contact
   ============================================================ */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.contact-tile {
  background: var(--card);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: background 0.2s;
}

.contact-tile:hover { background: var(--card-hover); }

.contact-tile .ct-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--subtle);
}

.contact-tile .ct-val {
  font-size: 1rem;
  color: var(--text);
  font-family: var(--sans);
  word-break: break-word;
}

.contact-tile .ct-action {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
  margin-top: auto;
  padding-top: 0.5rem;
}

/* ============================================================
   footer
   ============================================================ */

footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem var(--pad-x);
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

footer p, footer a {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--subtle);
  letter-spacing: 0.06em;
}

footer .foot-links { display: flex; gap: 1.5rem; }

footer a:hover { color: var(--text-2); }

/* ============================================================
   case study page (specific)
   ============================================================ */

.case-hero {
  padding: 6rem 0 4rem;
  border-bottom: 1px solid var(--border);
}

.case-breadcrumb {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 2.5rem;
  letter-spacing: 0.04em;
}

.case-breadcrumb a:hover { color: var(--text); }

.case-breadcrumb .sep { color: var(--subtle); margin: 0 8px; }

.case-hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  max-width: 22ch;
}

.case-hero .case-lede {
  font-size: 1.05rem;
  color: var(--text-2);
  max-width: 60ch;
  margin-bottom: 2rem;
}

.case-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.case-meta-item .cmi-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--subtle);
  margin-bottom: 6px;
}

.case-meta-item .cmi-val {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--text);
}

.case-body {
  padding: 4rem 0 6rem;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 4rem;
}

.case-toc {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.case-toc-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--subtle);
  margin-bottom: 1.25rem;
}

.case-toc ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.case-toc a {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.02em;
  transition: color 0.2s, padding 0.2s;
  display: block;
  padding-left: 0;
}

.case-toc a:hover {
  color: var(--text);
  padding-left: 4px;
}

.case-toc a .toc-num {
  color: var(--subtle);
  margin-right: 8px;
}

.case-content {
  max-width: 720px;
}

.case-chapter {
  margin-bottom: 4rem;
  scroll-margin-top: 90px;
}

.case-chapter:last-child { margin-bottom: 0; }

.case-chapter-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 12px;
}

.case-chapter-label .ch-num {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 3px 10px;
  border-radius: 4px;
  font-size: 10.5px;
}

.case-chapter h2 {
  font-size: 1.75rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1.25rem;
  color: var(--text);
}

.case-chapter h4 {
  font-family: var(--sans);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text);
  margin: 2rem 0 0.75rem;
  letter-spacing: -0.01em;
}

.case-chapter p {
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--text-2);
  margin-bottom: 1.25rem;
}

.case-chapter p strong {
  color: var(--text);
  font-weight: 500;
}

.case-chapter blockquote {
  border-left: 2px solid var(--border-strong);
  padding: 0.25rem 0 0.25rem 1.5rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--text);
  font-size: 1.1rem;
  line-height: 1.55;
}

.case-chapter blockquote cite {
  display: block;
  margin-top: 0.75rem;
  font-style: normal;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.case-chapter ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0 1.5rem;
}

.case-chapter ul li {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-2);
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.5rem;
}

.case-chapter ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--subtle);
}

.case-chapter ul li strong { color: var(--text); font-weight: 500; }

/* big stat row in case */
.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin: 2rem 0;
}

.stat-tile {
  background: var(--card);
  padding: 1.5rem 1.25rem;
}

.stat-tile .stat-num {
  font-family: var(--display);
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: -0.025em;
  color: var(--text);
  line-height: 1.1;
  margin-bottom: 6px;
}

.stat-tile .stat-label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1.4;
}

.persona-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}

.persona-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
}

.persona-name {
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 4px;
}

.persona-meta {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.persona-desc {
  font-family: var(--sans);
  font-size: 13.5px;
  color: var(--text-2);
  line-height: 1.6;
}

/* case footer / next */
.case-next {
  margin-top: 6rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.case-next a {
  display: block;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  transition: background 0.2s, border-color 0.2s;
}

.case-next a:hover {
  background: var(--card-hover);
  border-color: var(--border-strong);
}

.case-next .cn-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--subtle);
  margin-bottom: 0.5rem;
}

.case-next .cn-title {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.01em;
}

/* ============================================================
   about page
   ============================================================ */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 4rem;
  padding: 6rem 0 4rem;
}

.about-portrait {
  width: 100%;
  aspect-ratio: 4 / 5;
  background-image: url('profile.jpeg');
  background-size: cover;
  background-position: 50% 30%;
  border-radius: 12px;
  border: 1px solid var(--border);
  position: sticky;
  top: 96px;
  height: fit-content;
}

.about-portrait-frame {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 8px;
  background: var(--card);
}

.about-portrait-meta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--subtle);
  padding: 10px 6px 4px;
  display: flex;
  justify-content: space-between;
}

.about-content h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.035em;
  margin-bottom: 2rem;
  max-width: 18ch;
}

.about-content .lede {
  font-size: 1.125rem;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 60ch;
}

.about-content p {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-2);
  margin-bottom: 1.5rem;
  max-width: 60ch;
}

.about-content h3 {
  font-size: 0.95rem;
  font-family: var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 400;
  margin-top: 3rem;
  margin-bottom: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.about-content h3:first-of-type { border-top: none; padding-top: 0; }

.facts-list {
  list-style: none;
  display: flex;
  flex-direction: column;
}

.facts-list li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1.5rem;
  padding: 0.85rem 0;
  border-top: 1px solid var(--border);
  font-size: 14.5px;
  line-height: 1.5;
}

.facts-list li:last-child { border-bottom: 1px solid var(--border); }

.facts-list li .fact-key {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
  padding-top: 2px;
}

.facts-list li .fact-val { color: var(--text); }

.facts-list li .fact-val span {
  display: block;
  font-size: 12.5px;
  color: var(--muted);
  margin-top: 2px;
}

/* link with hover line */
a.link {
  color: var(--text);
  border-bottom: 1px solid var(--border-strong);
  transition: border-color 0.2s;
  padding-bottom: 1px;
}

a.link:hover { border-color: var(--text); }

/* ============================================================
   mobile
   ============================================================ */

@media (max-width: 1024px) {
  :root { --pad-x: 1.5rem; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .wins-grid { grid-template-columns: 1fr; }
  .win-card.featured { grid-template-columns: 1fr; }
  .win-card.featured .win-photo { min-height: 260px; border-left: none; border-top: 1px solid var(--border); }
  .case-body { grid-template-columns: 1fr; gap: 2rem; }
  .case-toc { position: static; padding-bottom: 1.5rem; border-bottom: 1px solid var(--border); }
  .case-toc ul { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem 1rem; }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; padding-top: 3rem; }
  .about-portrait { position: static; max-width: 320px; }
  .work-row { grid-template-columns: 1fr; gap: 1rem; }
  .work-date { padding-top: 0; }
  .work-status { padding-top: 0; }
}

@media (max-width: 720px) {
  body { font-size: 14.5px; }
  nav.top .nav-inner { gap: 0.75rem; }
  nav.top ul.nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0;
    padding: 1rem 0;
  }
  nav.top ul.nav-links.open { display: flex; }
  nav.top ul.nav-links li {
    padding: 0.75rem 1.5rem;
    width: 100%;
  }
  nav.top ul.nav-links a { font-size: 13px; }
  .nav-toggle { display: block; }
  .wa-meta { display: none; }
  .wa-chip { padding: 4px; }
  .hero { padding: 4.5rem 0 3rem; }
  .hero h1 { font-size: 2.5rem; }
  section { padding: 4rem 0; }
  .stat-row { grid-template-columns: 1fr; }
  .persona-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .case-next { grid-template-columns: 1fr; }
  .case-meta-row { gap: 1.25rem; }
  footer { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .case-toc ul { grid-template-columns: 1fr; }
  .facts-list li { grid-template-columns: 1fr; gap: 0.25rem; }
}