/* Humans Society — Pune people-and-culture studio
   Design system: warm cream canvas, ink pills, oversized radii, orbital arcs. */

:root {
  --cream: #F3F0EE;
  --cream-lifted: #FCFBFA;
  --white: #FFFFFF;
  --bone: #F4F4F4;
  --ink: #141413;
  --charcoal: #262627;
  --slate: #696969;
  --granite: #555555;
  --taupe: #D1CDC7;
  --ghost: #E8E2DA;
  --signal: #CF4500;
  --signal-light: #F37338;
  --clay: #9A3A0A;
  --link: #3860BE;

  --sans: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Helvetica, Arial, sans-serif;

  --r-btn: 20px;
  --r-stadium: 40px;
  --r-pill: 999px;

  --sh-1: rgba(0, 0, 0, 0.04) 0px 4px 24px 0px;
  --sh-2: rgba(0, 0, 0, 0.08) 0px 24px 48px 0px;

  --gutter: 48px;
  --maxw: 1240px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 450;
  line-height: 1.55;
  letter-spacing: 0;
}

img { max-width: 100%; display: block; }

a { color: var(--ink); }

::selection { background: var(--signal-light); color: var(--white); }

/* ---------- layout ---------- */

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.narrow { max-width: 780px; }
.mid { max-width: 940px; }

section { padding: 96px 0; }
section.tight { padding: 64px 0; }
section.lifted { background: var(--cream-lifted); }

.rule {
  border: 0;
  border-top: 1px solid rgba(20, 20, 19, 0.14);
  margin: 0;
}

/* ---------- typography ---------- */

h1, h2, h3, h4 {
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
  color: var(--ink);
}

h1 { font-size: 64px; line-height: 1.02; }
h2 { font-size: 36px; line-height: 1.22; }
h3 { font-size: 24px; line-height: 1.2; }
h4 { font-size: 14px; line-height: 1.3; font-weight: 700; letter-spacing: 0; }

p { margin: 0 0 20px; }

.lede {
  font-size: 22px;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--charcoal);
}

.muted { color: var(--slate); }
.small { font-size: 14px; line-height: 1.5; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--granite);
  margin: 0 0 24px;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--signal-light);
  flex: 0 0 auto;
}

.prose p { max-width: 68ch; }
.prose h2 { margin-top: 56px; }
.prose h3 { margin-top: 40px; margin-bottom: 14px; }
.prose ul { max-width: 66ch; padding-left: 20px; margin: 0 0 24px; }
.prose li { margin-bottom: 12px; }
.prose a { color: var(--link); }

/* pull quote */

.pull {
  margin: 64px 0;
  padding: 0 0 0 32px;
  border-left: 3px solid var(--signal-light);
  font-size: 34px;
  line-height: 1.24;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 24ch;
}

.pull.wide { max-width: 32ch; }

.pull cite {
  display: block;
  margin-top: 20px;
  font-size: 14px;
  font-weight: 700;
  font-style: normal;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--slate);
}

.ghost {
  font-size: clamp(56px, 11vw, 128px);
  line-height: 0.92;
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--ghost);
  margin: 0 0 -24px;
  pointer-events: none;
  user-select: none;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-block;
  font-family: inherit;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: -0.02em;
  padding: 9px 26px;
  border-radius: var(--r-btn);
  border: 1.5px solid var(--ink);
  background: var(--ink);
  color: var(--cream);
  text-decoration: none;
  cursor: pointer;
}

.btn:active { transform: translateY(1px); }

.btn.secondary {
  background: var(--white);
  color: var(--ink);
  font-weight: 450;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-top: 8px;
}

.textlink {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1.5px solid var(--signal-light);
  padding-bottom: 2px;
  font-weight: 500;
}

.textlink:hover { border-bottom-color: var(--ink); }

/* ---------- nav ---------- */

.nav-outer { padding: 24px var(--gutter) 0; }

.nav {
  max-width: var(--maxw);
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--r-pill);
  box-shadow: var(--sh-1);
  padding: 12px 20px 12px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
  flex: 0 0 auto;
}

.brand img { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; }

.brand span {
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  margin-left: auto;
  list-style: none;
  padding: 0;
}

.nav-links a {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--ink);
  white-space: nowrap;
  padding: 8px 0;
  display: inline-block;
}

.nav-links a[aria-current="page"] {
  border-bottom: 2px solid var(--signal-light);
}

.nav-links a:hover { color: var(--clay); }

.nav-cta {
  flex: 0 0 auto;
  margin-left: 8px;
}

.nav-toggle { display: none; }

/* ---------- hero ---------- */

.hero { padding: 88px 0 64px; }

.hero h1 { max-width: 16ch; }

.hero .lede { max-width: 54ch; }

.hero-split {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 64px;
  align-items: end;
}

/* ---------- stadium panel ---------- */

.stadium {
  border-radius: var(--r-stadium);
  background: var(--ink);
  color: var(--cream);
  padding: 64px;
}

.stadium h2, .stadium h3 { color: var(--cream); }
.stadium .eyebrow { color: var(--taupe); }
.stadium a { color: var(--cream); }

.panel {
  border-radius: var(--r-stadium);
  background: var(--cream-lifted);
  padding: 48px;
  box-shadow: var(--sh-2);
}

/* ---------- orbit cards ---------- */

.orbits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  position: relative;
}

.orbit-card {
  position: relative;
  text-decoration: none;
  color: var(--ink);
  display: block;
}

.orbit-card:nth-child(2) { margin-top: 72px; }
.orbit-card:nth-child(3) { margin-top: 24px; }

.disc {
  position: relative;
  width: 260px;
  max-width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  margin-bottom: 28px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 32px;
}

.disc span {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
  opacity: 0.62;
}

.disc-a { background: radial-gradient(circle at 32% 28%, #F7BC9B 0%, #E9926A 42%, var(--cream) 100%); }
.disc-b { background: radial-gradient(circle at 30% 30%, #D7CFC4 0%, #B9AE9E 45%, var(--cream) 100%); }
.disc-c { background: radial-gradient(circle at 34% 26%, #C6C9CB 0%, #9AA0A4 44%, var(--cream) 100%); }

.satellite {
  position: absolute;
  right: -6px;
  bottom: 14px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--white);
  display: grid;
  place-items: center;
  font-size: 20px;
  color: var(--ink);
  box-shadow: var(--sh-1);
}

.orbit-card h3 { margin-bottom: 12px; max-width: 16ch; }
.orbit-card p { color: var(--granite); font-size: 16px; max-width: 34ch; }

.arc {
  display: block;
  width: 100%;
  height: 120px;
  margin: -24px 0 0;
}

.arc path { fill: none; stroke: var(--signal-light); stroke-width: 1.2; }

/* ---------- lists ---------- */

.stack { display: grid; gap: 40px; }
.stack.two { grid-template-columns: repeat(2, 1fr); gap: 48px 64px; }
.stack.three { grid-template-columns: repeat(3, 1fr); gap: 40px 48px; }

.item h3 { margin-bottom: 10px; }
.item p { color: var(--granite); margin-bottom: 0; }

.numbered { counter-reset: n; }
.numbered .item::before {
  counter-increment: n;
  content: counter(n, decimal-leading-zero);
  display: block;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--signal);
  margin-bottom: 12px;
}

.chips { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 0 0 24px; list-style: none; }

.chips li {
  background: var(--white);
  border: 1px solid rgba(20, 20, 19, 0.14);
  border-radius: var(--r-pill);
  padding: 7px 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
}

.facts { list-style: none; padding: 0; margin: 0; }
.facts li {
  display: flex;
  gap: 24px;
  padding: 14px 0;
  border-top: 1px solid rgba(20, 20, 19, 0.14);
  font-size: 16px;
}
.facts li:last-child { border-bottom: 1px solid rgba(20, 20, 19, 0.14); }
.facts b {
  flex: 0 0 190px;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--slate);
  padding-top: 3px;
}

/* notes index */

.notes { list-style: none; padding: 0; margin: 0; }

.note-row {
  border-top: 1px solid rgba(20, 20, 19, 0.14);
  padding: 32px 0;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 32px;
}

.note-row:last-child { border-bottom: 1px solid rgba(20, 20, 19, 0.14); }

.note-row .meta {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--slate);
  padding-top: 6px;
}

.note-row h3 { margin-bottom: 10px; }
.note-row p { color: var(--granite); margin-bottom: 0; max-width: 62ch; }

/* ---------- form ---------- */

form { max-width: 640px; }

.field { margin-bottom: 24px; }

.field label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--granite);
  margin-bottom: 10px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  font-family: inherit;
  font-size: 16px;
  font-weight: 450;
  color: var(--ink);
  background: var(--white);
  border: 1px solid rgba(20, 20, 19, 0.45);
  border-radius: var(--r-pill);
  padding: 13px 24px;
}

.field textarea {
  border-radius: 24px;
  min-height: 160px;
  resize: vertical;
  line-height: 1.5;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid var(--clay);
  outline-offset: 1px;
}

.form-note { font-size: 14px; color: var(--slate); max-width: 60ch; }

/* ---------- footer ---------- */

footer {
  background: var(--ink);
  color: var(--white);
  padding: 96px 0 64px;
  margin-top: 32px;
}

footer h2 { color: var(--white); max-width: 20ch; }

.foot-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-top: 64px;
}

.foot-grid h4 {
  color: rgba(255, 255, 255, 0.55);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 13px;
  margin-bottom: 18px;
}

.foot-grid ul { list-style: none; padding: 0; margin: 0; }

.foot-grid li { margin-bottom: 12px; }

.foot-grid a, .foot-grid span {
  color: var(--white);
  font-size: 14px;
  font-weight: 450;
  line-height: 1.5;
  text-decoration: none;
}

.foot-grid a:hover { border-bottom: 1px solid var(--signal-light); }

.foot-bottom {
  margin-top: 64px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
}

.locale-pill {
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--r-pill);
  padding: 7px 20px;
  font-size: 13px;
  color: var(--white);
}

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: 16px;
  top: 16px;
  z-index: 20;
  background: var(--white);
  color: var(--ink);
  padding: 12px 20px;
  border-radius: var(--r-btn);
}

/* ---------- responsive ---------- */

@media (max-width: 1023px) {
  :root { --gutter: 32px; }
  h1 { font-size: 48px; }
  .hero-split { grid-template-columns: 1fr; gap: 32px; }
  .orbits { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .orbit-card:nth-child(2), .orbit-card:nth-child(3) { margin-top: 0; }
  .arc { display: none; }
  .stack.three { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
  :root { --gutter: 20px; }
  body { font-size: 16px; }
  h1 { font-size: 38px; }
  h2 { font-size: 28px; }
  h3 { font-size: 21px; }
  .lede { font-size: 19px; }
  section { padding: 56px 0; }
  .hero { padding: 48px 0 32px; }
  .pull { font-size: 25px; margin: 40px 0; padding-left: 20px; max-width: none; }
  .stadium { padding: 36px 28px; border-radius: 28px; }
  .panel { padding: 28px 24px; border-radius: 28px; }
  .orbits { grid-template-columns: 1fr; gap: 48px; }
  .disc { width: 200px; }
  .stack.two, .stack.three { grid-template-columns: 1fr; }
  .note-row { grid-template-columns: 1fr; gap: 12px; }
  .facts li { flex-direction: column; gap: 6px; }
  .facts b { flex: none; }
  .foot-grid { grid-template-columns: 1fr; gap: 32px; }
  footer { padding: 64px 0 48px; }

  .nav { flex-wrap: wrap; padding: 12px 16px; border-radius: 28px; }
  .nav-cta { display: none; }
  .nav-toggle {
    display: block;
    margin-left: auto;
    background: var(--white);
    border: 1.5px solid var(--ink);
    color: var(--ink);
    border-radius: var(--r-pill);
    font-family: inherit;
    font-size: 15px;
    font-weight: 500;
    padding: 9px 20px;
    cursor: pointer;
    text-decoration: none;
  }
  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    margin: 12px 0 4px;
    padding: 8px 0 0;
    border-top: 1px solid rgba(20, 20, 19, 0.12);
  }
  .nav:target .nav-links,
  .nav-links:target { display: flex; }
  .nav-links a { padding: 10px 0; font-size: 17px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}