/* Bilzy website: Calendar Paper (light) and its dark version, same tokens as the app (docs/design.md). */
@font-face { font-family: "Manrope"; src: url("fonts/Manrope-Regular.woff") format("woff"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Manrope"; src: url("fonts/Manrope-SemiBold.woff") format("woff"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Manrope"; src: url("fonts/Manrope-ExtraBold.woff") format("woff"); font-weight: 800; font-display: swap; }

:root {
  --ground: #FFFFFF; --sheet: #F3F4F6; --field: #F7F8F9; --line: #E6E8EC; --rule: #EEF0F3;
  --ink: #171A1F; --ink2: #2B3038; --muted: #5E6570; --faint: #8A9099;
  --accent: #E35F12; --soon: #F26B1D; --soon-bg: #FDEBDD; --soon-text: #A9440A;
  --paid: #24774D; --paid-bg: #E3F2EA; --paid-text: #1E6A44; --later: #B9BEC6;
  --primary: #171A1F; --on-primary: #FFFFFF;
  --shadow: 0 1px 2px rgba(23, 26, 31, .06), 0 10px 30px rgba(23, 26, 31, .10);
  --sans: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ground: #121418; --sheet: #1C1F24; --field: #181B20; --line: #2C3036; --rule: #24282E;
    --ink: #ECEDEF; --ink2: #D5D8DD; --muted: #A0A7B1; --faint: #7D848F;
    --accent: #FF9A55; --soon: #FF8A3D; --soon-bg: #3A2414; --soon-text: #FFB37A;
    --paid: #3FA872; --paid-bg: #173226; --paid-text: #7FD9A8; --later: #4A5059;
    --primary: #ECEDEF; --on-primary: #121418;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 30px rgba(0, 0, 0, .4);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--ground); color: var(--ink); font: 18px/1.6 var(--sans); }
img { max-width: 100%; height: auto; }
a { color: var(--accent); text-underline-offset: 3px; font-weight: 600; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { font-weight: 800; line-height: 1.15; margin: 0 0 .4em; letter-spacing: -.02em; }
h1 { font-size: clamp(36px, 6.4vw, 60px); }
h2 { font-size: clamp(26px, 4vw, 36px); }
h3 { font-size: 20px; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--primary); color: var(--on-primary); padding: 10px 14px; border-radius: 8px; }
.skip:focus { left: 8px; z-index: 9; }
.tabular { font-variant-numeric: tabular-nums; }

/* Header */
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 18px; padding-bottom: 18px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; font: 800 24px var(--sans); color: var(--ink); text-decoration: none; letter-spacing: -.02em; }
.brand img { border-radius: 10px; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a { color: var(--ink2); text-decoration: none; padding: 10px 12px; border-radius: 10px; min-height: 44px; display: inline-flex; align-items: center; font-weight: 600; font-size: 16px; }
.nav a:hover, .nav a[aria-current="page"] { background: var(--sheet); color: var(--ink); }

/* Hero */
.hero { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; padding-top: 28px; padding-bottom: 56px; }
.eyebrow { color: var(--accent); font-weight: 800; letter-spacing: .1em; text-transform: uppercase; font-size: 13px; margin-bottom: 10px; }
.lede { font-size: 20px; color: var(--ink2); max-width: 34em; }
.badges { display: flex; gap: 12px; flex-wrap: wrap; margin: 22px 0 12px; }
.badge { display: inline-flex; flex-direction: column; justify-content: center; min-height: 56px; padding: 8px 20px; border-radius: 14px; border: 1.5px solid var(--line); color: var(--ink); font-weight: 800; }
.badge small { color: var(--muted); font-weight: 400; font-size: 14px; }
.badge.primary { background: var(--primary); color: var(--on-primary); border-color: var(--primary); }
.badge.primary small { color: var(--on-primary); opacity: .8; }
.works { color: var(--muted); font-size: 16px; }

/* Phone and notification previews (drawn in HTML, fictional billers only) */
.previews { display: flex; flex-direction: column; align-items: center; gap: 18px; }
.phone { width: 300px; max-width: 100%; border-radius: 36px; padding: 20px 16px 18px; background: var(--ground); border: 1px solid var(--line); box-shadow: var(--shadow); font-size: 14px; }
.phone .date { color: var(--muted); font-weight: 600; font-size: 12px; }
.phone .head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 10px; }
.phone .title { font: 800 26px/1.05 var(--sans); letter-spacing: -.03em; }
.phone .sum { text-align: right; font-size: 11px; color: var(--muted); line-height: 1.3; }
.phone .sum b { display: block; color: var(--ink); font-size: 15px; font-weight: 800; }
.week { display: grid; grid-template-columns: repeat(7, 1fr); text-align: center; margin: 4px 0 12px; }
.week span { font-size: 10px; color: var(--faint); font-weight: 800; }
.week i { display: grid; place-items: center; width: 28px; height: 28px; margin: 2px auto 0; border-radius: 50%; font: normal 800 13px var(--sans); font-variant-numeric: tabular-nums; }
.week i.today { background: var(--ink); color: var(--ground); }
.week u { display: block; width: 5px; height: 5px; border-radius: 50%; margin: 3px auto 0; }
.dot-paid { background: var(--paid); } .dot-soon { background: var(--soon); } .dot-later { background: var(--later); }
.sec { font-size: 10px; font-weight: 800; letter-spacing: .12em; color: var(--faint); margin: 6px 0 2px; }
.row { display: grid; grid-template-columns: 40px 1fr auto; gap: 10px; align-items: center; padding: 8px 0; border-top: 1px solid var(--rule); }
.row:first-of-type { border-top: 0; }
.row .d { text-align: center; line-height: 1; }
.row .d small { display: block; font-size: 9px; font-weight: 800; color: var(--faint); letter-spacing: .08em; margin-bottom: 3px; }
.row .d b { font: 800 24px var(--sans); letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.row .d.soon b { color: var(--soon); }
.row .t { font-weight: 800; font-size: 14px; line-height: 1.2; }
.row .t small { display: block; color: var(--muted); font-weight: 600; font-size: 11px; }
.row .a { text-align: right; font-weight: 800; font-size: 14px; font-variant-numeric: tabular-nums; }
.chip { display: inline-block; font-size: 10px; font-weight: 800; padding: 2px 7px; border-radius: 99px; margin-top: 3px; }
.chip.soon { background: var(--soon-bg); color: var(--soon-text); }
.chip.paid { background: var(--paid-bg); color: var(--paid-text); }
.chip.later { background: var(--sheet); color: var(--muted); }
.note { width: 340px; max-width: 100%; background: var(--sheet); border-radius: 22px; padding: 12px 14px; box-shadow: var(--shadow); font-size: 14px; }
.note .app { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12px; font-weight: 600; }
.note .app img { border-radius: 5px; }
.note .app span { margin-left: auto; }
.note .t { font-weight: 800; margin: 6px 0 0; }
.note .b { color: var(--ink2); font-size: 13px; }
.note .acts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin-top: 10px; }
.note .acts span { background: var(--ground); border-radius: 12px; text-align: center; padding: 7px 4px; font-weight: 800; font-size: 12px; }

/* Sections */
section { padding: 56px 0; border-top: 1px solid var(--rule); }
.sub { color: var(--muted); font-size: 19px; max-width: 40em; margin-bottom: 28px; }
.grid { display: grid; gap: 16px; }
.grid.three { grid-template-columns: repeat(3, 1fr); }
.tile { background: var(--field); border: 1px solid var(--rule); border-radius: 18px; padding: 20px; }
.tile p { color: var(--ink2); font-size: 16px; margin: 0; }
.tile .k { display: inline-block; font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: 6px; }
.ladder { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; counter-reset: s; }
.ladder li { border-radius: 16px; padding: 16px; background: var(--field); border: 1px solid var(--rule); }
.ladder li b { display: block; font-size: 28px; font-weight: 800; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.ladder li.on { background: var(--soon-bg); border-color: transparent; }
.ladder li.on b { color: var(--soon-text); }
.ladder li p { margin: 0; color: var(--ink2); font-size: 15px; }
.promise { background: var(--sheet); border-radius: 22px; padding: 28px; }
.promise ul { margin: 0; padding-left: 1.2em; }
.promise li { margin: .4em 0; }
.fine { color: var(--muted); font-size: 15px; }

/* Text pages */
.page { max-width: 760px; padding-top: 16px; padding-bottom: 64px; }
.page h2 { margin-top: 1.6em; font-size: 26px; }
.page ul { padding-left: 1.2em; }
.page li { margin: .35em 0; }
.updated { color: var(--muted); font-size: 15px; }
.contact { display: inline-flex; align-items: center; min-height: 52px; padding: 10px 20px; border-radius: 14px; background: var(--primary); color: var(--on-primary); text-decoration: none; font-weight: 800; }
details { border-top: 1px solid var(--rule); padding: 6px 0; }
details:last-of-type { border-bottom: 1px solid var(--rule); }
summary { cursor: pointer; font-weight: 800; padding: 10px 0; min-height: 44px; }
details p { color: var(--ink2); }

/* Footer */
footer { border-top: 1px solid var(--rule); padding: 32px 0 48px; }
.foot { display: grid; gap: 14px; }
.studio { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; font-weight: 800; }
.studio .dark { display: none; }
@media (prefers-color-scheme: dark) { .studio .light { display: none; } .studio .dark { display: inline; } }
.foot nav { display: flex; gap: 6px 18px; flex-wrap: wrap; }
.foot nav a { color: var(--ink2); min-height: 44px; display: inline-flex; align-items: center; }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; gap: 28px; }
  .grid.three { grid-template-columns: 1fr 1fr; }
  .ladder { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  body { font-size: 17px; }
  .grid.three, .ladder { grid-template-columns: 1fr; }
  section { padding: 40px 0; }
  .lede { font-size: 18px; }
}
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }