/* Mandi Bhai — mandibhai.com
   Ledger-structured landing page. Palette: tarpaulin indigo + turmeric gold. */

:root {
  --ground:      #FAFAF8;
  --surface:     #FFFFFF;
  --ink:         #14171F;
  --muted:       #5B6472;
  --line:        #E4E2DC;
  --line-strong: #C9C6BD;
  --indigo:      #1B3A6B;
  --indigo-soft: #E8EDF5;
  --gold:        #B8860F;
  --gold-soft:   #FBF2DC;
  --todo-bg:     #FFF3C4;
  --todo-ink:    #6B4E00;
  --focus:       #1B3A6B;

  --measure: 34rem;
  --pad: clamp(1.25rem, 5vw, 4rem);

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ground:      #101319;
    --surface:     #171B23;
    --ink:         #EDEBE5;
    --muted:       #9AA3B2;
    --line:        #262B35;
    --line-strong: #3A404C;
    --indigo:      #93B4E4;
    --indigo-soft: #1A2230;
    --gold:        #E0AE3A;
    --gold-soft:   #241D0C;
    --todo-bg:     #4A3A00;
    --todo-ink:    #FFE58A;
    --focus:       #93B4E4;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --ground:      #101319;
  --surface:     #171B23;
  --ink:         #EDEBE5;
  --muted:       #9AA3B2;
  --line:        #262B35;
  --line-strong: #3A404C;
  --indigo:      #93B4E4;
  --indigo-soft: #1A2230;
  --gold:        #E0AE3A;
  --gold-soft:   #241D0C;
  --todo-bg:     #4A3A00;
  --todo-ink:    #FFE58A;
  --focus:       #93B4E4;
  color-scheme: dark;
}

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

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 68rem; margin: 0 auto; padding-inline: var(--pad); }

a { color: var(--indigo); text-underline-offset: 0.2em; }
a:focus-visible,
button:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; border-radius: 2px; }

h1, h2, h3 {
  font-family: Archivo, ui-sans-serif, system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-wrap: balance;
  margin: 0;
}

.todo {
  background: var(--todo-bg);
  color: var(--todo-ink);
  padding: 0 0.3em;
  font-weight: 600;
  white-space: nowrap;
  border-bottom: 2px solid var(--gold);
}

/* ---------- masthead ---------- */

.masthead {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
.masthead .wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.1rem;
  flex-wrap: wrap;
}
.wordmark { display: flex; align-items: baseline; gap: 0.6rem; text-decoration: none; color: var(--ink); }
.wordmark .deva {
  font-family: "IBM Plex Sans Devanagari", "IBM Plex Sans", sans-serif;
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--indigo);
}
.wordmark .latin {
  font-family: Archivo, sans-serif;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}
.masthead nav { display: flex; gap: 1.5rem; font-size: 0.9rem; }
.masthead nav a { color: var(--muted); text-decoration: none; }
.masthead nav a:hover { color: var(--ink); text-decoration: underline; }

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

.hero { padding-block: clamp(3rem, 9vw, 6rem) clamp(2.5rem, 7vw, 4.5rem); }
.hero h1 {
  font-size: clamp(2.4rem, 7vw, 4.4rem);
  line-height: 1.02;
  max-width: 15ch;
}
.hero h1 .second { color: var(--indigo); display: block; }
.hero .lede {
  margin: 1.75rem 0 0;
  max-width: var(--measure);
  font-size: clamp(1.05rem, 1.9vw, 1.2rem);
  color: var(--muted);
}
.hero .lede strong { color: var(--ink); font-weight: 600; }

.apps-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  margin: 1.75rem 0 0;
}
.row .apps-cta { margin-top: 1.15rem; }
.app-link {
  display: inline-block;
  padding: 0.65rem 1rem;
  background: var(--indigo);
  color: var(--surface);
  text-decoration: none;
  font-family: Archivo, sans-serif;
  font-weight: 700;
  font-size: 0.92rem;
  border: 1px solid var(--indigo);
}
.app-link:hover { text-decoration: underline; }
.app-link--ghost {
  background: transparent;
  color: var(--indigo);
}

/* ---------- loop diagram ---------- */

.loop {
  margin-top: clamp(2.5rem, 6vw, 3.5rem);
  border: 1px solid var(--line-strong);
  background: var(--surface);
  padding: clamp(1.25rem, 3vw, 2rem);
}
.loop figcaption {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 1rem;
  max-width: 52ch;
}
.loop svg { display: block; width: 100%; height: auto; }

/* ---------- ledger ---------- */

.ledger { border-top: 2px solid var(--ink); }
.row {
  display: grid;
  grid-template-columns: 13rem 1fr;
  gap: clamp(1rem, 4vw, 3rem);
  padding-block: clamp(1.75rem, 4vw, 2.75rem);
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.row > h2 {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--indigo);
  padding-top: 0.2rem;
}
.row p { margin: 0 0 1rem; max-width: var(--measure); }
.row p:last-child { margin-bottom: 0; }

@media (max-width: 46rem) {
  .row { grid-template-columns: 1fr; gap: 0.75rem; }
}

/* steps — a real sequence, so it is numbered */
.steps { list-style: none; margin: 0; padding: 0; counter-reset: step; }
.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 2.25rem 1fr;
  gap: 1rem;
  padding-block: 0.85rem;
  border-bottom: 1px dotted var(--line-strong);
  max-width: 44rem;
}
.steps li:last-child { border-bottom: 0; }
.steps li::before {
  content: counter(step);
  font-family: Archivo, sans-serif;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--gold);
  font-size: 1.1rem;
  line-height: 1.5;
}
.steps b { font-weight: 600; display: block; }
.steps span { color: var(--muted); font-size: 0.94rem; }

/* two-up */
.duo { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 2rem; }
.duo h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.duo p { color: var(--muted); font-size: 0.95rem; }

/* goods */
.goods { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0 0 1.25rem; padding: 0; list-style: none; }
.goods li {
  border: 1px solid var(--line-strong);
  background: var(--gold-soft);
  padding: 0.3rem 0.7rem;
  font-size: 0.88rem;
}
.goods li b { font-weight: 600; }
.goods li span { color: var(--muted); }

/* contact */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); gap: 1.5rem 2rem; }
.contact-grid dt { font-size: 0.8rem; color: var(--muted); margin-bottom: 0.25rem; }
.contact-grid dd { margin: 0; font-size: 1rem; font-weight: 500; }
.contact-grid dd a { text-decoration: none; }
.contact-grid dd a:hover { text-decoration: underline; }

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

.foot {
  border-top: 2px solid var(--ink);
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding-block: 2rem 3rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.foot .cols { display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: space-between; align-items: flex-start; }
.foot nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.foot p { margin: 0.4rem 0 0; max-width: 46ch; }

/* ---------- legal pages ---------- */

.legal { padding-block: clamp(2.5rem, 6vw, 4rem); }
.legal h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); margin-bottom: 0.5rem; }
.legal .updated { color: var(--muted); font-size: 0.88rem; margin: 0 0 2.5rem; }
.legal h2 {
  font-size: 1.1rem;
  margin: 2.25rem 0 0.6rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}
.legal p, .legal li { max-width: 42rem; color: var(--ink); }
.legal ul { padding-left: 1.1rem; }
.legal li { margin-bottom: 0.4rem; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}