/* bank2tally — ledger-register design system.
   Palette: ledger paper, ink green-black, khata-red margin rule,
   credit green. Figures always monospace, like a real account book. */

:root {
  --paper: #FAFBF7;
  --card: #FFFFFF;
  --ink: #1C2A24;
  --muted: #5C6B62;
  --rule: #D8E0D4;
  --khata-red: #B23A2E;
  --credit: #166534;
  --credit-dark: #14532D;
  --focus: #1E7A4F;
  --serif: Georgia, "Noto Serif", "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: Consolas, "SF Mono", ui-monospace, Menlo, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
}

/* The khata margin rule — one thin red line down the page, like a
   physical ledger register. Hidden on small screens. */
.page {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.25rem 5rem;
  position: relative;
}
@media (min-width: 60rem) {
  .page { padding-left: 3.5rem; }
  .page::before {
    content: "";
    position: absolute;
    left: 1.4rem; top: 0; bottom: 0;
    width: 1px;
    background: var(--khata-red);
    opacity: 0.45;
  }
}

h1, h2, .brand { font-family: var(--serif); font-weight: 600; }
h1 { font-size: clamp(1.9rem, 5vw, 2.75rem); line-height: 1.15; margin: 0.4em 0 0.3em; }
h2 { font-size: 1.35rem; margin: 0 0 0.6rem; }
p  { margin: 0.4rem 0; }
a  { color: var(--credit); }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

/* Nav — full-bleed sticky bar; its inner row aligns with the page column */
nav {
  position: sticky; top: 0; z-index: 20;
  background: rgba(250, 251, 247, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
.nav-inner {
  max-width: 72rem; margin: 0 auto; padding: 1.05rem 1.25rem;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { font-size: 1.3rem; text-decoration: none; color: var(--ink); }
.brand b { color: var(--credit); }
nav .links { display: flex; gap: 1.3rem; align-items: center; font-size: 0.9rem; }
nav a { text-decoration: none; color: var(--ink); }
nav a:hover { color: var(--credit); }
.nav-cta {
  background: var(--credit); color: #fff;
  padding: 0.45rem 1rem; border-radius: 999px;
  font-weight: 600; font-size: 0.85rem;
}
.nav-cta:hover { background: var(--credit-dark); color: #fff; }

/* Sections separated by ledger ruling */
section { padding: 2.2rem 0; border-bottom: 1px solid var(--rule); }
section:last-of-type { border-bottom: 0; }
.eyebrow {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--khata-red); margin-bottom: 0.4rem;
}

/* The signature: statement row -> voucher entries */
.voucher-strip {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 0.9rem 1rem;
  margin: 1.4rem 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  overflow-x: auto;
}
.voucher-strip .row {
  display: flex; gap: 1rem; white-space: nowrap; padding: 0.28rem 0;
  align-items: baseline;
}
.voucher-strip .from { color: var(--muted); border-bottom: 1px dashed var(--rule); padding-bottom: 0.5rem; }
.voucher-strip .arrow { color: var(--khata-red); padding: 0.3rem 0 0.1rem; }
.voucher-strip .dr { color: var(--khata-red); }
.voucher-strip .cr { color: var(--credit); }
.voucher-strip .amt { margin-left: auto; }

/* Cards & forms */
.card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 1.25rem;
}
/* A card meant to read as a single centered form (demo try, auth), not a
   full-width block — centers itself in the (now much wider) page column. */
.card.narrow { max-width: 28rem; margin: 0 auto; }
/* A block of prose narrower than the page, centered under its heading. */
.lede { max-width: 40rem; margin: 0 auto; }
form.stack, .stack { display: grid; gap: 0.85rem; }
label { font-size: 0.83rem; font-weight: 600; display: grid; gap: 0.3rem; }
input[type=text], input[type=email], input[type=password], select {
  padding: 0.55rem 0.6rem;
  border: 1px solid var(--rule);
  border-radius: 6px;
  font-size: 0.95rem;
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
}
input:focus-visible, select:focus-visible, button:focus-visible, a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}
button {
  padding: 0.7rem 1rem;
  border: 0; border-radius: 6px;
  background: var(--credit);
  color: #fff; font-size: 0.98rem; font-weight: 600;
  cursor: pointer; font-family: var(--sans);
}
button:hover { background: var(--credit-dark); }
button:disabled { background: #9DB8A8; cursor: default; }
button.ghost {
  background: transparent; color: var(--credit);
  border: 1px solid var(--rule);
}
button.ghost:hover { border-color: var(--credit); background: transparent; }

.error  { color: var(--khata-red); font-size: 0.9rem; white-space: pre-wrap; }
.notice { color: var(--credit); font-size: 0.9rem; }

/* Hero — full viewport on first load, headline + proof + calls to action.
   align-items:center makes every child shrink-to-fit and center itself,
   instead of stretching flush to the (now much wider) page column. */
.hero {
  min-height: calc(100vh - 4.6rem);
  display: flex; flex-direction: column; justify-content: center;
  align-items: center; text-align: center;
  gap: 0.2rem;
  padding: 2.5rem 0 2rem;
}
.hero h1 { max-width: 36rem; }
.hero .sub { max-width: 34rem; font-size: 1.08rem; }
.cta-row { display: flex; gap: 0.9rem; flex-wrap: wrap; justify-content: center; margin: 0.6rem 0 0.4rem; }
.btn-lg { padding: 0.85rem 1.55rem; font-size: 1.02rem; }
.hero .visual { max-width: 32rem; margin-top: 1.2rem; text-align: left; }
.scroll-cue {
  align-self: center; margin-top: auto; padding-top: 1.5rem;
  color: var(--muted); font-size: 0.75rem;
  display: flex; flex-direction: column; align-items: center; gap: 0.3rem;
}
.scroll-cue .chev {
  width: 0.55rem; height: 0.55rem;
  border-right: 2px solid var(--khata-red); border-bottom: 2px solid var(--khata-red);
  transform: rotate(45deg);
  animation: bob 1.8s ease-in-out infinite;
}
@keyframes bob {
  0%, 100% { transform: translateY(0) rotate(45deg); }
  50% { transform: translateY(4px) rotate(45deg); }
}

/* Bank badges (compact inline mentions, e.g. under "how it works") */
.banks { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.banks span {
  border: 1px solid var(--rule); background: var(--card);
  border-radius: 999px; padding: 0.25rem 0.8rem;
  font-size: 0.8rem; font-family: var(--mono);
}

/* Supported-banks section — bigger cards with lettermark badges */
.bank-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
@media (max-width: 40rem) { .bank-grid { grid-template-columns: 1fr; } }
.bank-card {
  display: flex; align-items: center; gap: 1rem;
  background: var(--card); border: 1px solid var(--rule); border-radius: 12px;
  padding: 1.15rem 1.25rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.bank-card:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(28, 42, 36, 0.08); }
.bank-logo {
  flex: none; width: 3.2rem; height: 3.2rem; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-family: var(--serif); font-weight: 700; font-size: 1.05rem;
}
.bank-hdfc  { background: linear-gradient(135deg, #c23b34, #7d1418); }
.bank-sbi   { background: linear-gradient(135deg, #1e4faa, #10275c); }
.bank-icici { background: linear-gradient(135deg, #ec7326, #a8420f); }
.bank-info strong { display: block; font-family: var(--serif); font-size: 1.02rem; }
.bank-tag {
  display: inline-block; margin-top: 0.15rem; font-family: var(--mono);
  font-size: 0.68rem; letter-spacing: 0.04em; color: var(--credit);
}

/* Steps: folio-numbered like a register */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem; }
@media (max-width: 40rem) { .steps { grid-template-columns: 1fr; } }
.steps .card { font-size: 0.86rem; }
.steps .folio {
  font-family: var(--mono); color: var(--khata-red);
  font-size: 0.75rem; display: block; margin-bottom: 0.3rem;
}

/* Pricing */
.pricing {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.1rem;
  max-width: 68rem; margin: 0 auto;
}
@media (max-width: 62rem) { .pricing { grid-template-columns: 1fr 1fr; max-width: 42rem; } }
@media (max-width: 40rem) { .pricing { grid-template-columns: 1fr; } }
.pricing .card { position: relative; padding: 1.5rem 1.4rem; }
.pricing .card.featured { border: 2px solid var(--credit); }
.badge-popular {
  position: absolute; top: -0.7rem; right: 1.1rem;
  background: var(--credit); color: #fff; font-family: var(--mono);
  font-size: 0.66rem; letter-spacing: 0.03em;
  padding: 0.22rem 0.6rem; border-radius: 999px;
}
.price { font-family: var(--mono); font-size: 1.8rem; margin: 0.3rem 0; }
.price .per { font-size: 0.8rem; color: var(--muted); }
.pricing ul { margin: 0.6rem 0 1.1rem; padding-left: 1.1rem; font-size: 0.88rem; }
.pricing li { margin: 0.3rem 0; }
.pricing button { width: 100%; }

/* Ledger-style history table */
table.ledger {
  width: 100%; border-collapse: collapse;
  font-size: 0.85rem;
}
table.ledger th {
  text-align: left; font-family: var(--mono); font-weight: 400;
  font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); padding: 0.45rem 0.5rem;
  border-bottom: 1px solid var(--ink);
}
table.ledger td {
  padding: 0.5rem; border-bottom: 1px solid var(--rule);
}
table.ledger td.num { font-family: var(--mono); text-align: right; }
.table-scroll { overflow-x: auto; }

/* Usage meter */
.meter-bar {
  height: 6px; border-radius: 3px; background: var(--rule);
  overflow: hidden; margin-top: 0.5rem;
}
.meter-bar i {
  display: block; height: 100%; background: var(--credit);
  width: 0; transition: width 0.4s ease;
}
.meter-num { font-family: var(--mono); }

/* Dashboard grid */
.dash { display: grid; grid-template-columns: 3fr 2fr; gap: 1rem; align-items: start; padding-top: 1.5rem; }
@media (max-width: 50rem) { .dash { grid-template-columns: 1fr; } }
.dash-col { display: grid; gap: 1rem; }

footer {
  padding-top: 1.6rem; font-size: 0.8rem; color: var(--muted);
}

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