/* The calculator page. Layout and behaviour follow John's calculator-v5 (handoff,
   2026-08-11); the look follows the new kodexglobal.com. */

:root {
  color-scheme: dark;
  --line: color-mix(in srgb, var(--chalk) 14%, transparent);
  --line-soft: color-mix(in srgb, var(--chalk) 8%, transparent);
  --soft: color-mix(in srgb, var(--chalk) 72%, transparent);
  --gutter: 24px;
}

body {
  margin: 0;
  background: var(--navy);
  color: var(--chalk);
  font: 400 16px/1.4 var(--body-font);
  -webkit-font-smoothing: antialiased;
  font-variant-numeric: tabular-nums;
}

h1,
h2,
p {
  margin: 0;
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--blue) 60%, white);
  outline-offset: 3px;
}

.page {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* Header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 24px;
  padding: 12px 15px;
  background: var(--navy-grey);
  border-radius: 6px;
}
.site-header img {
  width: 132px;
  height: auto;
  display: block;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 12px 16px;
  border: 0;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.18s ease;
}
.button-primary {
  background: var(--blue);
  color: #fff;
}
.button-primary:hover:not(:disabled) {
  background: color-mix(in srgb, var(--blue) 92%, white);
}
.button-primary:disabled {
  opacity: 0.6;
  cursor: progress;
}
.button-quiet {
  background: color-mix(in srgb, var(--chalk) 8%, transparent);
}

/* Hero */
.eyebrow {
  font: 500 14px/1.2 var(--mono-font);
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--red);
}
.hero {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-block: 72px 16px;
}
.hero h1 {
  font: 700 clamp(56px, 9vw, 120px) / var(--display-leading) var(--display-font);
  letter-spacing: var(--display-tracking);
  text-transform: uppercase;
  text-wrap: balance;
}
.lede {
  max-width: 62ch;
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.45;
  color: var(--soft);
}

/* Calculator */
.main {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  align-items: flex-start;
  padding-block: 48px 88px;
}
.controls {
  flex: 1 1 460px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.block {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px;
  background: var(--navy-grey);
  border-radius: 6px;
}
.block-title {
  font: 500 13px/1.2 var(--mono-font);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--medium-grey);
}
.lbl {
  font-size: 15px;
}
.lbl .fed-label {
  color: var(--muted);
}
.help {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--soft);
}
.help b {
  color: var(--chalk);
  font-weight: 600;
}

input[type="number"],
input[type="email"] {
  font: 400 16px var(--mono-font);
  background: var(--midnight);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 11px 13px;
}
input[type="number"]:focus,
input[type="email"]:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--blue) 30%, transparent);
}
input[type="number"] {
  width: 128px;
  -moz-appearance: textfield;
  appearance: textfield;
}
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 28px;
  margin: 0;
  cursor: pointer;
  background: linear-gradient(
      to right,
      var(--blue) var(--p, 50%),
      color-mix(in srgb, var(--chalk) 18%, transparent) var(--p, 50%)
    )
    center / 100% 4px no-repeat;
  border-radius: 999px;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 28px;
  background: transparent;
}
input[type="range"]::-moz-range-track {
  height: 28px;
  background: transparent;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  margin-top: 5px;
  border-radius: 50%;
  background: var(--chalk);
  border: 3px solid var(--blue);
}
input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--chalk);
  border: 3px solid var(--blue);
}
input[type="range"]:focus-visible {
  outline: none;
}
input[type="range"]:focus-visible::-webkit-slider-thumb {
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--blue) 45%, transparent);
}
input[type="range"]:focus-visible::-moz-range-thumb {
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--blue) 45%, transparent);
}

.presets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.presets button {
  font: 500 12px/1 var(--mono-font);
  text-transform: uppercase;
  padding: 10px 14px;
  border-radius: 4px;
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
}
.presets button[aria-pressed="true"] {
  border-color: var(--blue);
  background: color-mix(in srgb, var(--blue) 18%, transparent);
}

.trio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
}
.field .lbl {
  font: 500 12px/1.2 var(--mono-font);
  text-transform: uppercase;
  color: var(--medium-grey);
}
.field .row {
  display: flex;
  align-items: center;
  gap: 7px;
}
.field input {
  width: 100%;
}
.unit {
  font-size: 14px;
  color: var(--muted);
}
.seen {
  font-size: 12px;
  color: var(--muted);
}
.ends {
  display: flex;
  justify-content: space-between;
  font: 500 11px/1.2 var(--mono-font);
  text-transform: uppercase;
  color: var(--muted);
}

.switchrow {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.switch {
  position: relative;
  flex: none;
  width: 44px;
  height: 24px;
  border: 0;
  border-radius: 999px;
  background: color-mix(in srgb, var(--chalk) 22%, transparent);
  cursor: pointer;
  transition: background 0.15s;
}
.switch[aria-checked="true"] {
  background: var(--blue);
}
.switch i {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.15s;
}
.switch[aria-checked="true"] i {
  transform: translateX(20px);
}

.callout {
  font-size: 13.5px;
  line-height: 1.55;
  padding: 14px 16px;
  border-radius: 4px;
  border: 1px solid color-mix(in srgb, var(--blue) 55%, transparent);
  background: color-mix(in srgb, var(--blue) 12%, transparent);
}

/* The panel: gate, then result */
.panel {
  flex: 1 1 380px;
  max-width: 480px;
  position: sticky;
  top: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 36px 32px;
  background: var(--midnight);
  border: 1px solid var(--line);
  border-radius: 6px;
}
.panel-title {
  font: 500 13px/1.2 var(--mono-font);
  text-transform: uppercase;
  color: var(--red);
}
.stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.stack-lg {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.gate-heading {
  font: 700 44px / var(--display-leading) var(--display-font);
  color: var(--chalk);
  letter-spacing: var(--display-tracking);
  text-transform: uppercase;
}
.panel p {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--soft);
}
.panel input[type="email"] {
  width: 100%;
  font-family: var(--body-font);
  font-size: 15px;
}
.panel .button {
  width: 100%;
  min-height: 48px;
}
.err {
  font-size: 13px;
  color: var(--red);
}
.fine {
  font-size: 12.5px;
  color: var(--muted);
}

.sub {
  font-size: 14px;
  color: var(--soft);
}
.fig {
  font: 700 clamp(64px, 7vw, 88px) / var(--display-leading) var(--display-font);
  letter-spacing: var(--display-tracking);
}
.fig small {
  font: 500 16px var(--mono-font);
  color: var(--muted);
  letter-spacing: 0;
}
.band {
  font-size: 14px;
  color: var(--soft);
}
.band-note {
  font-size: 13.5px;
  line-height: 1.55;
  padding: 12px 16px;
  border-radius: 4px;
  border: 1px solid color-mix(in srgb, var(--red) 45%, transparent);
  color: var(--chalk);
}
.bar {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.bar .track {
  position: relative;
  height: 14px;
}
.bar .track i {
  position: absolute;
  top: 6px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--line);
}
.bar .track b {
  position: absolute;
  top: 0;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--blue);
  transform: translateX(-50%);
}
.bar .ends {
  color: var(--muted);
}
.lines div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
}
.lines span:first-child {
  color: var(--soft);
}
.lines span:last-child {
  font-family: var(--mono-font);
  font-weight: 500;
}
.lines .note {
  display: block;
  padding-top: 0;
  border: 0;
  font-size: 12px;
  color: var(--muted);
}
.confirm {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px 18px;
  border: 1px solid color-mix(in srgb, var(--blue) 55%, transparent);
  border-radius: 6px;
}
.confirm p {
  color: var(--chalk);
}
.stale {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.is-stale .fig,
.is-stale .band,
.is-stale .lines {
  opacity: 0.4;
}
.talk {
  font-size: 14px;
  text-align: center;
  text-decoration: underline;
  text-underline-offset: 3px;
  color: var(--soft);
}

/* Time to first dollar */
.strip {
  background: var(--midnight);
  padding-block: 72px;
}
.strip .page {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.strip h2,
.method h2 {
  font: 700 clamp(44px, 6vw, 68px) / var(--display-leading) var(--display-font);
  letter-spacing: var(--display-tracking);
  text-transform: uppercase;
}
.days {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
}
.day {
  flex: 1 1 200px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.day .n {
  font: 700 76px / var(--display-leading) var(--display-font);
  letter-spacing: var(--display-tracking);
  text-transform: uppercase;
}
.day .l {
  font: 500 12px/1.2 var(--mono-font);
  text-transform: uppercase;
  color: var(--muted);
}
.strip p {
  max-width: 58ch;
  color: var(--soft);
}

/* Methodology */
.method {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding-block: 88px 72px;
}
.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(268px, 1fr));
  gap: 16px;
}
.tile {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 24px;
  background: var(--navy-grey);
  border-radius: 6px;
}
.tile .l {
  font: 500 12px/1.2 var(--mono-font);
  text-transform: uppercase;
  color: var(--red);
}
.tile p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--soft);
}
.prov {
  font: 500 11.5px/1.7 var(--mono-font);
  text-transform: uppercase;
  color: var(--muted);
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-block: 28px;
  border-top: 1px solid var(--line-soft);
  font: 500 12px/1.2 var(--mono-font);
  text-transform: uppercase;
  color: var(--muted);
}
footer a {
  text-decoration: none;
}

@media (max-width: 900px) {
  .panel {
    position: static;
    max-width: none;
  }
}
@media (max-width: 640px) {
  :root {
    --gutter: 16px;
  }
  .trio {
    grid-template-columns: 1fr;
  }
  .block,
  .panel {
    padding: 20px;
  }
  .hero {
    padding-top: 48px;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}

/* Announced to screen readers, not shown. */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
#outTitle:focus {
  outline: none;
}