/* lunaway.net: the one stylesheet of the static site.
   "Nuit douce" palette of brand/README.md and app/lib/shared/theme/palette.dart.
   Every page opens on the night: the masthead, then a band of sky, stars and
   hills holding the page title, dark in both themes; the page below follows
   prefers-color-scheme. */

@font-face {
  font-family: "Fraunces";
  src: url("/fonts/fraunces-semibold.8800a2da97.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Atkinson Next Lunaway";
  src: url("/fonts/atkinson-next-lunaway-regular.2126143b9d.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Atkinson Next Lunaway";
  src: url("/fonts/atkinson-next-lunaway-bold.0c1ed04b8a.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: light dark;

  /* Brand colours, the same in both themes. */
  --night: #020b1b;
  --navy: #061f43;
  --cream: #fdf1db;
  --teal: #409fa7;
  --teal-deep: #15576d;
  --teal-light: #7cc2c7;
  --amber: #f2a541;
  --amber-pale: #fad8a6;

  /* Light theme. Text contrast on --bg: --text 17:1, --muted 6.9:1,
     --link 6.0:1, --accent-ink 7.7:1, --danger 5.9:1. */
  --bg: #fffbf4;
  --bg-soft: #fcf1de;
  --surface: #fff7ea;
  --line: #ead6b4;
  --line-strong: #b8a27c;
  --text: #061f43;
  --muted: #44587a;
  --link: #8f5300;
  --link-hover: #6a3d00;
  --accent-ink: #15576d;
  --focus: #15576d;
  --danger: #b23a2e;
  --danger-ink: #a8352a;
  --danger-soft: #fcddd8;
  --ok-ink: #356b30;
  --ok-soft: #dcefd6;
  --chip: #d5ecec;

  --font-title: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-text: "Atkinson Next Lunaway", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius: 1.25rem;
  --radius-s: 0.75rem;
  --wide: 72rem;
  --gutter: clamp(1rem, 4vw, 2rem);
}

@media (prefers-color-scheme: dark) {
  :root {
    /* Contrast on --bg: --text 17:1, --muted 11:1, --link 9.3:1. */
    --bg: #040f22;
    --bg-soft: #06142a;
    --surface: #0c213d;
    --line: #1c385a;
    --line-strong: #44587a;
    --text: #fdf1db;
    --muted: #cec8ba;
    --link: #f2a541;
    --link-hover: #fad8a6;
    --accent-ink: #7cc2c7;
    --focus: #f2a541;
    --danger: #f2998f;
    --danger-ink: #f2998f;
    --danger-soft: #3a120e;
    --ok-ink: #a4d39a;
    --ok-soft: #13301a;
    --chip: #0f4558;
  }
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font: 400 1.0625rem/1.65 var(--font-text);
  font-variant-numeric: lining-nums;
}

main {
  flex: 1 0 auto;
}

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

svg {
  flex: none;
}

a {
  color: var(--link);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

a:hover {
  color: var(--link-hover);
  text-decoration-thickness: 0.14em;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 0.3rem;
}

/* Targets of the skip link and of the form's announcements, focused by
   script or by a fragment, never by the user tabbing. */
[tabindex="-1"]:focus {
  outline: none;
}

h1,
h2,
h3 {
  font-family: var(--font-title);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  text-wrap: balance;
}

h2 {
  font-size: clamp(1.65rem, 1.2rem + 1.6vw, 2.4rem);
}

h3 {
  font-size: 1.25rem;
}

p {
  margin: 0 0 1em;
}

strong {
  font-weight: 700;
}

.nowrap {
  white-space: nowrap;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -10rem;
  z-index: 10;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-s);
  background: var(--amber);
  color: var(--navy);
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

/* The masthead and the night band: sky, stars, then the hills that lead
   into the page. */

.masthead,
.night {
  --link: var(--amber);
  --link-hover: var(--amber-pale);
  --focus: var(--amber);
  color: var(--cream);
}

.masthead {
  background: var(--night);
}

.night {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: linear-gradient(180deg, var(--night) 0%, var(--navy) 100%);
}

.sky {
  position: absolute;
  inset: 0 0 auto;
  z-index: -1;
  width: 100%;
  height: min(100%, 32rem);
  pointer-events: none;
}

/* On one column the landing's text fills the band: no star behind it. */
@media (max-width: 59.99rem) {
  .night--hero .sky {
    display: none;
  }
}

.hills {
  display: block;
  width: 100%;
  height: clamp(2.75rem, 6vw, 6rem);
  color: var(--bg);
  margin-top: clamp(1.5rem, 4vw, 3rem);
}

.site-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas: "brand nav lang";
  align-items: center;
  gap: 0.5rem 1.5rem;
  max-width: var(--wide);
  margin: 0 auto;
  padding: 1rem var(--gutter);
}

.brand {
  grid-area: brand;
  display: inline-block;
  border-radius: 0.4rem;
}

.brand img {
  height: 2.5rem;
  width: auto;
}

.site-nav {
  grid-area: nav;
  justify-self: end;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a,
.lang-switch {
  display: inline-block;
  padding: 0.6rem 0.1rem;
  color: var(--cream);
  font-weight: 700;
  text-decoration: none;
}

.site-nav a:hover,
.lang-switch:hover {
  color: var(--amber);
}

.site-nav a[aria-current="page"] {
  box-shadow: inset 0 -2px 0 var(--amber);
}

.lang-switch {
  grid-area: lang;
  padding: 0.45rem 0.9rem;
  border: 1px solid rgb(253 241 219 / 0.35);
  border-radius: 999px;
}

@media (max-width: 44rem) {
  .site-header {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "brand lang"
      "nav nav";
  }

  .site-nav {
    justify-self: start;
  }

  .site-nav ul {
    gap: 0 1.25rem;
  }

}

@media (max-width: 22rem) {
  .site-nav ul {
    gap: 0 0.9rem;
  }

  .site-nav a {
    font-size: 0.95rem;
  }
}

/* Landing hero. */

.hero {
  display: grid;
  gap: 2rem;
  align-items: end;
  max-width: var(--wide);
  margin: 0 auto;
  padding: clamp(1.5rem, 5vw, 4rem) var(--gutter) 0;
}

.hero h1 {
  max-width: 13ch;
  font-size: clamp(2.3rem, 1.3rem + 4.2vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.01em;
}

.hero-lead {
  max-width: 34rem;
  font-size: clamp(1.125rem, 1rem + 0.5vw, 1.375rem);
  color: #f4e6cc;
}

.promises {
  display: grid;
  gap: 0.55rem;
  margin: 1.75rem 0 2rem;
  padding: 0;
  list-style: none;
}

.promises li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 700;
  font-size: 1.0625rem;
}

.promises svg {
  width: 1.6rem;
  height: 1.6rem;
  color: var(--teal-light);
}

.soon {
  margin-left: 0.15rem;
  padding: 0.05rem 0.55rem;
  border-radius: 999px;
  background: rgb(242 165 65 / 0.18);
  color: var(--amber-pale);
  font-size: 0.85rem;
  font-weight: 700;
  white-space: nowrap;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-note {
  margin: 1rem 0 0;
  font-size: 0.95rem;
  color: #e6d9c0;
}

.hero-phones {
  position: relative;
  display: grid;
  grid-template-areas: "stack";
  justify-items: center;
  align-items: end;
  margin-bottom: calc(-1 * clamp(4.5rem, 9vw, 7.5rem));
}

.hero-phones .phone {
  grid-area: stack;
  width: min(15.5rem, 56vw);
}

.hero-phones .phone-back {
  transform: translate(42%, -9%) rotate(5deg) scale(0.9);
  opacity: 0.94;
}

.hero-phones .phone-front {
  transform: translate(-16%, 0) rotate(-2.5deg);
}

.night--hero .hills {
  position: relative;
  z-index: 1;
  height: clamp(4.5rem, 9vw, 7.5rem);
  margin-top: 0;
}

@media (min-width: 60rem) {
  .hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 3rem;
  }

  .hero-text {
    padding-bottom: clamp(5rem, 10vw, 8.5rem);
  }

  .hero-phones .phone {
    width: min(18.5rem, 25vw);
  }
}

/* A phone screenshot, framed like a lit window at night. */

.phone {
  margin: 0;
  padding: 0.4rem;
  border-radius: 1.9rem;
  background: #0c213d;
  box-shadow:
    0 0 0 1px rgb(253 241 219 / 0.14),
    0 1.75rem 3rem -1rem rgb(0 0 0 / 0.55),
    0 0 4.5rem rgb(242 165 65 / 0.16);
}

.phone img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  border-radius: 1.5rem;
}

/* Buttons. */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 3rem;
  padding: 0.7rem 1.35rem;
  border: 2px solid transparent;
  border-radius: 999px;
  font: 700 1.0625rem/1.2 var(--font-text);
  text-decoration: none;
  cursor: pointer;
}

.button svg {
  width: 1.3rem;
  height: 1.3rem;
}

.button-primary {
  background: var(--amber);
  color: var(--navy);
}

.button-primary:hover {
  background: var(--amber-pale);
  color: var(--navy);
}

.button-ghost {
  border-color: rgb(253 241 219 / 0.55);
  color: var(--cream);
}

.button-ghost:hover {
  border-color: var(--amber);
  color: var(--amber);
}

.button-outline {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--text);
}

.button-outline:hover {
  border-color: var(--link);
  color: var(--link);
}

.button-danger {
  background: var(--danger);
  color: #fff;
}

.button-danger:hover {
  background: #8f2a20;
  color: #fff;
}

@media (prefers-color-scheme: dark) {
  .button-danger,
  .button-danger:hover {
    color: var(--bg);
  }

  .button-danger:hover {
    background: #f8bdb6;
  }
}

.button:disabled {
  cursor: progress;
  opacity: 0.65;
}

/* Landing sections. */

.section {
  max-width: var(--wide);
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 6rem) var(--gutter);
}

.section + .section {
  padding-top: 0;
}

.section-head {
  max-width: 42rem;
  margin-bottom: 2.25rem;
}

.section-head p {
  color: var(--muted);
  font-size: 1.125rem;
}

.kicker {
  margin: 0 0 0.6rem;
  color: var(--accent-ink);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.strip {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: min(15rem, 68vw);
  gap: 1.5rem;
  margin: 0 calc(-1 * var(--gutter));
  padding: 0.5rem var(--gutter) 1.5rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: var(--gutter);
}

.strip figure {
  margin: 0;
  scroll-snap-align: start;
}

.strip .phone {
  margin-bottom: 1.25rem;
}

.strip h3 {
  margin-bottom: 0.3rem;
}

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

@media (min-width: 60rem) {
  .strip {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(2rem, 4vw, 4rem);
    margin: 0;
    padding: 0;
    overflow: visible;
  }

  .strip .phone {
    width: min(100%, 16rem);
  }
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 19rem), 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.card {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.card h3 {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.3rem;
}

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

.icon-disc {
  display: inline-grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  background: var(--chip);
  color: var(--accent-ink);
}

.icon-disc svg {
  width: 1.45rem;
  height: 1.45rem;
}

.where {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 19rem), 1fr));
  gap: 1rem;
}

.where .card {
  display: flex;
  flex-direction: column;
}

.where .actions {
  margin-top: auto;
  padding-top: 0.5rem;
}

.licences {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
  gap: 1rem;
  margin: 0;
}

.licences div {
  padding: 1.25rem 1.5rem;
  border-left: 3px solid var(--teal);
  background: var(--bg-soft);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
}

.licences dt {
  font-weight: 700;
}

.licences dd {
  margin: 0.2rem 0 0;
}

/* Text pages. */

.page-title {
  max-width: var(--wide);
  margin: 0 auto;
  padding: clamp(1rem, 3vw, 2.5rem) var(--gutter) 0;
}

.page-title h1 {
  max-width: 22ch;
  font-size: clamp(2.1rem, 1.4rem + 2.8vw, 3.5rem);
  line-height: 1.08;
}

.page-title p {
  max-width: 42rem;
  margin-bottom: 0;
  color: #f4e6cc;
  font-size: 1.125rem;
}

.page {
  display: grid;
  gap: 2rem;
  max-width: var(--wide);
  margin: 0 auto;
  padding: clamp(2rem, 4vw, 3rem) var(--gutter) clamp(3rem, 6vw, 5rem);
}

.prose {
  min-width: 0;
  max-width: 44rem;
}

.prose h2 {
  margin-top: 2.75rem;
  font-size: clamp(1.5rem, 1.25rem + 0.9vw, 1.9rem);
  scroll-margin-top: 1.5rem;
}

.prose > h2:first-child,
.prose > section:first-child > h2 {
  margin-top: 0;
}

.prose h3 {
  margin-top: 1.75rem;
  scroll-margin-top: 1.5rem;
}

.prose ul,
.prose ol {
  margin: 0 0 1.25em;
  padding-left: 1.3rem;
}

.prose li + li {
  margin-top: 0.4rem;
}

.prose li::marker {
  color: var(--accent-ink);
}

.toc {
  font-size: 0.975rem;
}

.toc h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-text);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-ink);
}

.toc ol {
  display: grid;
  gap: 0.15rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.toc a {
  display: block;
  padding: 0.3rem 0 0.3rem 0.85rem;
  border-left: 2px solid var(--line);
  color: var(--text);
  text-decoration: none;
}

.toc a:hover {
  border-left-color: var(--link);
  color: var(--link);
}

@media (min-width: 64rem) {
  .page--toc {
    grid-template-columns: 14rem minmax(0, 44rem);
    justify-content: center;
    gap: clamp(3rem, 5vw, 5rem);
  }

  .toc {
    position: sticky;
    top: 1.5rem;
    align-self: start;
  }
}

.page--single {
  grid-template-columns: minmax(0, 44rem);
  justify-content: center;
}

.summary {
  margin: 0 0 2rem;
  padding: 1.5rem 1.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.summary h2 {
  margin-top: 0;
  font-size: 1.35rem;
}

.summary ul {
  margin-bottom: 0;
}

.meta {
  color: var(--muted);
  font-size: 0.95rem;
}

.table-wrap {
  margin: 0 0 1.5rem;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.975rem;
}

th,
td {
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

thead th {
  background: var(--bg-soft);
  font-weight: 700;
}

tbody tr:last-child > * {
  border-bottom: 0;
}

dl.facts {
  display: grid;
  gap: 0.25rem 1.5rem;
  margin: 0 0 1.5rem;
}

dl.facts dt {
  font-weight: 700;
}

dl.facts dd {
  margin: 0 0 0.75rem;
}

@media (min-width: 40rem) {
  dl.facts {
    grid-template-columns: max-content 1fr;
  }

  dl.facts dd {
    margin: 0;
  }
}

.callout {
  margin: 0 0 1.5rem;
  padding: 1.1rem 1.35rem;
  border-left: 4px solid var(--teal);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  background: var(--bg-soft);
}

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

/* A value only the maintainer can provide, filled before deployment. */
.placeholder {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  border: 2px dashed #c77700;
  border-radius: 0.4rem;
  background: rgb(242 165 65 / 0.16);
  font-weight: 700;
}

div.placeholder {
  display: block;
  padding: 1rem 1.25rem;
}

/* F-Droid page. */

.steps {
  counter-reset: step;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
}

.steps > li {
  position: relative;
  padding: 0 0 1.25rem 3.25rem;
  counter-increment: step;
}

.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: -0.1rem;
  display: grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  background: var(--chip);
  color: var(--accent-ink);
  font-weight: 700;
}

code,
.code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.92em;
  overflow-wrap: anywhere;
}

/* Account deletion. */

.ways {
  display: grid;
  gap: 1rem;
  margin: 0 0 2rem;
  padding: 0;
  list-style: none;
}

.form-card {
  margin: 0 0 2rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.form-card h2,
.form-card h3 {
  margin-top: 0;
}

fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 700;
}

.hint {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.975rem;
}

.code-input {
  width: 100%;
  min-height: 3.25rem;
  padding: 0.75rem 1rem;
  border: 2px solid var(--line-strong);
  border-radius: var(--radius-s);
  background: var(--bg);
  color: var(--text);
  font: 400 1.2rem/1.3 var(--font-text);
  letter-spacing: 0.06em;
}

.code-input:focus-visible {
  outline-offset: 2px;
  border-color: var(--focus);
}

.code-input[aria-invalid="true"] {
  border-color: var(--danger);
}

.field-error {
  margin: 0.6rem 0 0;
  color: var(--danger-ink);
  font-weight: 700;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.code-echo {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  border-radius: 0.4rem;
  background: var(--bg-soft);
  font-weight: 700;
  letter-spacing: 0.05em;
  overflow-wrap: anywhere;
}

.result {
  margin: 0 0 2rem;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
}

.result h2 {
  margin-top: 0;
  font-size: 1.4rem;
}

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

.result--ok {
  border-color: var(--ok-ink);
  background: var(--ok-soft);
}

.result--error {
  border-color: var(--danger-ink);
  background: var(--danger-soft);
}

.status-line {
  min-height: 1.6em;
  margin: 0.75rem 0 0;
  color: var(--muted);
}

[hidden] {
  display: none !important;
}

/* Footer. */

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  font-size: 0.975rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  gap: 2rem;
  max-width: var(--wide);
  margin: 0 auto;
  padding: 2.75rem var(--gutter) 2rem;
}

.footer-title {
  margin: 0 0 0.5rem;
  font: 600 1.5rem/1.2 var(--font-title);
}

.footer-heading {
  margin: 0 0 0.5rem;
  font-weight: 700;
}

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

.site-footer li + li {
  margin-top: 0.3rem;
}

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

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

.footer-small {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 var(--gutter) 2.25rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-small p {
  margin: 0;
}

/* The 404 page. */

.lost {
  max-width: var(--wide);
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 5rem) var(--gutter) 0;
}

.lost h1 {
  font-size: clamp(2.2rem, 1.4rem + 3vw, 3.75rem);
}

.lost p {
  max-width: 36rem;
  color: #f4e6cc;
  font-size: 1.125rem;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}