/* Calzone's public pages. The palette is the app icon's lunch box: an ink box on a white tile in light mode,
   graphite on black in dark mode. As in the app, colour only ever means a stat (teal calories, coral protein,
   golden carbs, periwinkle fat), so links and focus rings use the app's tint: ink, or white in dark mode. The
   stat colours never carry text; they fill swatches only. */

:root {
  color-scheme: light dark;

  --bg: #f5f6f8;
  --ink: #1a1c22;
  --muted: #5c6170;
  --line: #dfe1e6;
  --link: var(--ink);

  --calories: #14b8a6;
  --protein: #ff6b4a;
  --carbs: #ffd60a;
  --fat: #5f6fff;

  /* The icon's white tile sits on the page like it does on a home screen. Small icons get only a hairline. */
  --icon-shadow: drop-shadow(0 1px 1px rgb(26 28 34 / 0.1)) drop-shadow(0 8px 20px rgb(26 28 34 / 0.1));
  --icon-edge: drop-shadow(0 0 0.5px rgb(26 28 34 / 0.35));

  --font-display: ui-rounded, "SF Pro Rounded", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --measure: 40rem;
  --gutter: clamp(1rem, 5vw, 2rem);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1c22;
    --ink: #eef0f4;
    --muted: #a9adb6;
    --line: #2e3139;

    /* The dark icon's tile is black, so it gets a faint edge instead of a shadow. */
    --icon-shadow: drop-shadow(0 0 1px rgb(255 255 255 / 0.28)) drop-shadow(0 8px 20px rgb(0 0 0 / 0.35));
    --icon-edge: drop-shadow(0 0 0.5px rgb(255 255 255 / 0.45));
  }
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.55;
  overflow-wrap: break-word;
}

main {
  flex: 1;
}

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

a {
  color: var(--link);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 0.14em;
}

:focus-visible {
  outline: 3px solid var(--link);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -4rem;
  padding: 0.5rem 0.875rem;
  background: var(--ink);
  color: var(--bg);
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
}

.skip-link:focus-visible {
  top: 0.75rem;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.15;
  text-wrap: balance;
}

p,
li,
dd {
  text-wrap: pretty;
}

/* The column every page sits in. */
.wrap {
  width: 100%;
  max-width: calc(var(--measure) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.icon {
  filter: var(--icon-shadow);
}

/* Header on every page: the icon and name lead home, the pages sit to the right. */
.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding-block: 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.3125rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand img {
  width: 2rem;
  height: 2rem;
  filter: var(--icon-edge);
}

.pages {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pages a {
  color: var(--muted);
  font-weight: 500;
  text-decoration: none;
}

.pages a:hover,
.pages a[aria-current="page"] {
  color: var(--ink);
}

.pages a[aria-current="page"] {
  text-decoration: underline;
  text-decoration-thickness: 0.12em;
  text-underline-offset: 0.35em;
}

.fine-print {
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.5;
}

/* A stat's colour, as a small rounded square: the same shape as a compartment in the icon. */
.swatch {
  display: inline-block;
  flex: none;
  width: 0.875rem;
  height: 0.875rem;
  border-radius: 0.25rem;
  background: var(--swatch);
}

.swatch.calories { --swatch: var(--calories); }
.swatch.protein { --swatch: var(--protein); }
.swatch.carbs { --swatch: var(--carbs); }
.swatch.fat { --swatch: var(--fat); }

/* Inner pages: policy, terms, support */

.doc {
  padding-block: clamp(2rem, 6vw, 3.5rem) clamp(3rem, 8vw, 5rem);
}

.doc h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(2.25rem, 1.6rem + 2.8vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.025em;
}

.updated {
  margin: 0 0 2rem;
  color: var(--muted);
  font-size: 0.9375rem;
}

.doc .lede {
  margin: 0 0 2.5rem;
  max-width: none;
  color: var(--muted);
  font-size: clamp(1.125rem, 1.05rem + 0.4vw, 1.3125rem);
  line-height: 1.45;
}

.doc h1 + .lede {
  margin-top: 1rem;
}

.doc h2 {
  margin: 2.75rem 0 0.75rem;
  font-size: clamp(1.3125rem, 1.2rem + 0.5vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.doc h3 {
  margin: 1.75rem 0 0.5rem;
  font-size: 1.125rem;
  font-weight: 700;
}

.doc p,
.doc ul,
.doc ol {
  margin: 0 0 1rem;
}

.doc ul,
.doc ol {
  padding-left: 1.25rem;
}

.doc li {
  margin-bottom: 0.5rem;
}

.doc li::marker {
  color: var(--muted);
}

.doc strong {
  font-weight: 650;
}

/* Support's contact block. */
.contact {
  margin: 0 0 2.5rem;
  padding: 1.25rem 1.375rem;
  border: 1px solid var(--line);
  border-radius: 1.25rem;
}

.contact p {
  margin: 0 0 0.5rem;
}

.contact p:last-child {
  margin-bottom: 0;
}

.contact .email {
  font-family: var(--font-display);
  font-size: 1.3125rem;
  font-weight: 700;
}

/* 404 */

.lost {
  padding-block: clamp(4rem, 14vw, 8rem);
}

.lost img {
  width: 4.5rem;
  height: 4.5rem;
  margin-bottom: 2rem;
}

.lost h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.375rem, 1.5rem + 4.6vw, 4rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.lost p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 1.1875rem;
}

/* Footer on every page */

.site-footer {
  padding-block: 2rem 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9375rem;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: inherit;
}

.site-footer a:hover {
  color: var(--ink);
}

.site-footer .pages a {
  text-decoration: none;
}

/* Landing page: wider than the reading measure, so the hero has room for the lunch box. */

.landing {
  --measure: 64rem;
}

.hero {
  display: grid;
  gap: clamp(2.5rem, 6vw, 3.5rem);
  align-items: center;
  padding-block: clamp(2rem, 7vw, 5rem) clamp(3rem, 8vw, 5.5rem);
}

@media (min-width: 45em) {
  .hero {
    grid-template-columns: 1.15fr 1fr;
  }
}

.pitch {
  margin: 0 0 1.25rem;
  font-size: clamp(2.375rem, 1.5rem + 4.6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.lede {
  margin: 0 0 2rem;
  max-width: 30rem;
  color: var(--muted);
  font-size: clamp(1.125rem, 1.05rem + 0.4vw, 1.3125rem);
  line-height: 1.45;
}

.badge {
  display: inline-block;
  border-radius: 9px;
}

.badge img {
  width: auto;
  height: 2.75rem;
}

.hero .fine-print {
  margin: 0.875rem 0 0;
}

/* The icon, large. */
.lunch-box {
  display: block;
  width: 100%;
  max-width: 16rem;
  margin: 0 auto;
}

@media (min-width: 45em) {
  .lunch-box {
    max-width: 22rem;
  }
}

.lunch-box img {
  width: 100%;
}

.section {
  padding-block: clamp(2rem, 5vw, 3rem);
  border-top: 1px solid var(--line);
}

.section h2 {
  margin: 0 0 0.375rem;
  font-size: 1.125rem;
  font-weight: 700;
}

.section p {
  margin: 0;
  color: var(--muted);
}

.features {
  display: grid;
  gap: 1.5rem 2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 36em) {
  .features {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 60em) {
  .features {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* The four stats, each in its colour, under "More than calories". */
.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem 1rem;
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.9375rem;
  font-weight: 600;
}

.stats li {
  display: inline-flex;
  align-items: center;
  gap: 0.4375rem;
}

.plans {
  display: grid;
  gap: 1.5rem 3rem;
  align-items: start;
}

@media (min-width: 45em) {
  .plans {
    grid-template-columns: 1fr 1fr;
  }
}

.plans h2 {
  font-size: clamp(1.3125rem, 1.2rem + 0.5vw, 1.5rem);
  margin-bottom: 0.5rem;
}

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

.plans li {
  padding-block: 0.875rem;
  border-top: 1px solid var(--line);
}

.plans li:first-child {
  border-top: 0;
  padding-top: 0;
}

.plans li strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
}

.plans li span {
  color: var(--muted);
}

.tag {
  display: inline-block;
  margin-left: 0.25rem;
  padding: 0.0625rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  vertical-align: 0.1em;
}