/* Site www.family-vault.ch (T5.9) : palette et police de l'app
   (ui_ux_guidelines.md, app_palette.dart, category_palette.dart).
   Aucune ressource externe : police Inter hébergée ici (licence OFL,
   fonts/OFL-Inter.txt). */

@font-face {
  font-family: "Inter";
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/inter-regular.woff") format("woff");
}
@font-face {
  font-family: "Inter";
  font-weight: 600;
  font-display: swap;
  src: url("/fonts/inter-semibold.woff") format("woff");
}

:root {
  --bg: #F0EEE9;
  --surface: #FFFFFF;
  --ink: #1C1B19;
  --muted: #57534C;
  --line: #D9D5CD;
  --teal: #1F5F63;
  --warn: #7A4F00;
  --warn-bg: #F5E6C6;
  --on-cat: #FFFFFF;
  --c0: #3A5A8C; --c1: #A63D44; --c2: #6E4A2E; --c3: #4E6E2E;
  --c4: #634695; --c5: #4A5866; --c6: #8C5A1E; --c7: #8E3670;
  --tab-w: 14.5rem;
  --tile: #DCE8E6;
  --deep: #163F42;
  --on-deep: #E8F1F0;
  --deep-muted: #A9C4C2;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161513;
    --surface: #201F1C;
    --ink: #E9E5DE;
    --muted: #C9C4BA;
    --line: #3A3833;
    --teal: #7FC8C9;
    --warn: #E8B866;
    --warn-bg: #3B2F17;
    --on-cat: #161513;
    --tile: #1D2E2F;
    --deep: #0F2A2C;
    --on-deep: #E3ECEB;
    --deep-muted: #93AFAD;
    --c0: #A9C2EC; --c1: #F2AAAF; --c2: #DDB894; --c3: #B9D696;
    --c4: #CBB6EE; --c5: #B9C6D3; --c6: #EDC28C; --c7: #EBAAD3;
  }
}

* { box-sizing: border-box; }

html {
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 100%;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

body { margin: 0; }

.wrap {
  margin: 0 auto;
  max-width: 46rem;
  padding: 0 1rem;
}

a { color: var(--teal); text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -3rem;
  padding: 0.5rem 0.75rem;
  background: var(--surface);
}
.skip:focus { top: 1rem; }

/* En-tête : marque à gauche, langues à droite. */
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
}
.mark { width: 2rem; height: 2rem; }
.mark rect { fill: #1F5F63; }
.mark path { fill: #FFFFFF; }
.langs { display: flex; gap: 0.25rem; }
.langs a {
  padding: 0.3rem 0.5rem;
  border-radius: 0.4rem;
  color: var(--muted);
  font-size: 0.875rem;
  text-decoration: none;
}
.langs a[aria-current] {
  color: var(--ink);
  font-weight: 600;
  background: var(--surface);
}

main { padding-bottom: 0; }

/* Accueil */
.hero { position: relative; padding: 3rem 0 2.5rem; }
.hero > :not(.hero-mark) { position: relative; }
/* Grand bouclier en filigrane, à droite du titre. */
.hero-mark {
  position: absolute;
  top: 1.5rem;
  right: 0;
  width: clamp(5.5rem, 22vw, 11rem);
  height: auto;
  fill: var(--teal);
  opacity: 0.1;
}
.hero h1 {
  margin: 0;
  color: var(--teal);
  font-size: clamp(3rem, 13vw, 6.25rem);
  font-weight: 600;
  line-height: 0.95;
  letter-spacing: -0.045em;
}
.lead {
  margin: 1.5rem 0 0;
  max-width: 32ch;
  font-size: clamp(1.25rem, 3.6vw, 1.625rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
}
.soon { margin: 1.25rem 0 0; color: var(--muted); }

/* Le motif du site : les huit catégories de l'app, en intercalaires de
   classeur décalés comme dans un tiroir de dossiers. */
.tabs {
  list-style: none;
  margin: 0 0 3.5rem;
  padding: 0;
}
.tab {
  --i: 0;
  border-bottom: 0.3rem solid var(--c);
}
.tab + .tab { margin-top: 0.3rem; }
.tab summary {
  display: block;
  list-style: none;
  cursor: pointer;
}
.tab summary::-webkit-details-marker { display: none; }
.tab summary:focus-visible { outline: none; }
.tab summary:focus-visible span {
  outline: 3px solid var(--teal);
  outline-offset: 2px;
}
.tab summary span {
  position: relative;
  padding-right: 1.9rem !important;
  display: block;
  width: var(--tab-w);
  margin-left: calc((100% - var(--tab-w)) / 7 * var(--i));
  padding: 0.4rem 0.85rem 0.3rem;
  border-radius: 0.55rem 0.55rem 0 0;
  background: var(--c);
  color: var(--on-cat);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.35;
}
/* Chevron d'ouverture de l'intercalaire. */
.tab summary span::after {
  content: "";
  position: absolute;
  right: 0.75rem;
  top: 50%;
  width: 0.4em;
  height: 0.4em;
  margin-top: -0.1em;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-50%) rotate(45deg);
  transition: transform 0.2s ease;
}
.tab details[open] summary span::after {
  transform: translateY(-15%) rotate(-135deg);
}
.hint { margin: 0 0 0.75rem; color: var(--muted); font-size: 0.9375rem; }

/* Exemple fictif affiché à l'ouverture d'une catégorie. */
.example {
  display: flex;
  gap: 1rem;
  width: min(23rem, 100%);
  margin: 0.5rem 0 0.75rem
    min(calc((100% - var(--tab-w)) / 7 * var(--i)), calc(100% - min(23rem, 100%)));
  padding: 1rem 1.1rem;
  border-left: 0.3rem solid var(--c);
  border-radius: 0.75rem;
  background: var(--surface);
  animation: example-in 0.25s ease-out;
}
.example .doc { flex: none; width: 2.75rem; height: auto; }
.example .doc path { fill: var(--tile); stroke: var(--teal); stroke-width: 2; stroke-linejoin: round; }
.example .doc .fold { fill: none; }
.example .doc .lines { fill: none; stroke: var(--c); stroke-linecap: round; }
.example p { margin: 0; }
.ex-badge {
  display: inline-block;
  margin-bottom: 0.3rem !important;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  background: var(--warn-bg);
  color: var(--warn);
  font-size: 0.75rem;
  font-weight: 600;
}
.ex-title { font-weight: 600; line-height: 1.3; }
.ex-sub, .ex-date { color: var(--muted); font-size: 0.9375rem; }
.ex-enc {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.4rem !important;
  color: var(--teal);
  font-size: 0.8125rem;
  font-weight: 600;
}
.lock-i { width: 0.9rem; height: 0.9rem; fill: none; stroke: currentColor; stroke-width: 1.8; }
@keyframes example-in {
  from { opacity: 0; transform: translateY(-0.4rem); }
  to { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .example { animation: none; }
  .tab summary span::after { transition: none; }
}

.c0 { --c: var(--c0); --i: 0; }
.c1 { --c: var(--c1); --i: 1; }
.c2 { --c: var(--c2); --i: 2; }
.c3 { --c: var(--c3); --i: 3; }
.c4 { --c: var(--c4); --i: 4; }
.c5 { --c: var(--c5); --i: 5; }
.c6 { --c: var(--c6); --i: 6; }
.c7 { --c: var(--c7); --i: 7; }

/* Protection : une illustration animée par point (dessins originaux,
   SVG en ligne, animations CSS seulement, coupées si l'utilisateur
   préfère réduire les animations). */
.protect h2 {
  margin: 0 0 1.75rem;
  font-size: clamp(1.5rem, 4.6vw, 2rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2rem;
}
.feature {
  display: grid;
  grid-template-columns: 8.5rem 1fr;
  gap: 1.75rem;
  align-items: center;
}
.feature h3 {
  margin: 0 0 0.3rem;
  color: var(--teal);
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.3;
}
.feature p { margin: 0; }

.ill { display: block; width: 100%; height: auto; }
.ill .tile { fill: var(--tile); }
.ill .body { fill: var(--surface); stroke: var(--teal); stroke-width: 3; }
.ill .ln {
  fill: none;
  stroke: var(--teal);
  stroke-width: 3.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.ill .soft { stroke: var(--line); stroke-width: 3; }
.ill .small { stroke-width: 3; }
.ill .acc, .ill .lock { fill: var(--teal); }
.ill .hole { fill: var(--surface); }
.ill .dot { fill: var(--teal); }
.ill .cut { stroke: var(--c1); stroke-width: 4.5; }
.ill .dash { stroke-dasharray: 2 7; stroke: var(--muted); }
.ill .k0 { fill: var(--c0); }
.ill .k1 { fill: var(--c1); }
.ill .k3 { fill: var(--c3); }
.ill .bell-ln { fill: #FFFFFF; }
.ill .chip { fill: var(--surface); stroke: var(--teal); stroke-width: 2.5; }

.ill * { transform-box: fill-box; transform-origin: center; }

/* Hors ligne : le signal apparaît puis est barré. */
.f-offline .wave { animation: wave 6s ease-in-out infinite; }
.f-offline .w2 { animation-delay: 0.25s; }
.f-offline .w3 { animation-delay: 0.5s; }
.f-offline .cut {
  stroke-dasharray: 52;
  animation: cut 6s ease-in-out infinite;
}
@keyframes wave {
  0%, 10% { opacity: 0.15; }
  25%, 45% { opacity: 1; }
  60%, 100% { opacity: 0.25; }
}
@keyframes cut {
  0%, 40% { stroke-dashoffset: 52; }
  52%, 88% { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: 52; }
}

/* Chiffré : le cadenas se ferme. */
.f-encrypted .shackle { animation: shackle 5s ease-in-out infinite; }
@keyframes shackle {
  0%, 20% { transform: translateY(-7px); }
  32%, 85% { transform: translateY(0); }
  100% { transform: translateY(-7px); }
}

/* Pratique : le document se range, le rappel sonne. */
.f-organised .drop { animation: drop 6s ease-in-out infinite; }
.f-organised .bell { animation: bell 6s ease-in-out infinite; }
@keyframes drop {
  0%, 10% { transform: translateY(-14px); }
  35%, 80% { transform: translateY(6px); }
  100% { transform: translateY(-14px); }
}
@keyframes bell {
  0%, 40%, 62%, 100% { transform: rotate(0); }
  45% { transform: rotate(14deg); }
  50% { transform: rotate(-12deg); }
  55% { transform: rotate(8deg); }
}

/* Partage : le paquet chiffré passe d'un téléphone à l'autre. */
.f-share .packet { animation: packet 5s ease-in-out infinite; }
.f-share .c-e { animation: chip 5s ease-in-out infinite; }
.f-share .c-d { animation: chip 5s ease-in-out 0.6s infinite; }
@keyframes packet {
  0%, 12% { transform: translateX(-26px); opacity: 0; }
  22% { opacity: 1; }
  70% { transform: translateX(26px); opacity: 1; }
  82%, 100% { transform: translateX(26px); opacity: 0; }
}
@keyframes chip {
  0%, 100% { fill: var(--surface); }
  10%, 25% { fill: var(--tile); }
}

/* Sauvegarde : la flèche descend dans la carte. */
.f-backup .arrow { animation: arrow 4s ease-in infinite; }
@keyframes arrow {
  0% { transform: translateY(-6px); opacity: 0; }
  20% { opacity: 1; }
  65% { transform: translateY(10px); opacity: 1; }
  80%, 100% { transform: translateY(14px); opacity: 0; }
}

/* PIN : bandeau d'avertissement. */
.pin {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: 1.5rem;
  align-items: center;
  margin-top: 3.5rem;
  padding: 1.5rem 1.75rem;
  border-radius: 1.25rem;
  background: var(--deep);
  color: var(--on-deep);
}
.pin h2 {
  margin: 0 0 0.4rem;
  font-size: 1.1875rem;
  line-height: 1.35;
}
.pin p { margin: 0; color: var(--deep-muted); }
.ill-pin .shield { fill: var(--on-deep); }
.ill-pin .ring {
  fill: none;
  stroke: var(--on-deep);
  stroke-width: 2;
  opacity: 0;
  animation: ring 4s ease-out infinite;
}
@keyframes ring {
  0% { transform: scale(0.75); opacity: 0.6; }
  70%, 100% { transform: scale(1.3); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .ill *, .ill { animation: none !important; }
  .f-offline .cut { stroke-dashoffset: 0; }
  .f-share .packet { opacity: 1; }
}

/* Pages de texte */
.legal { padding-top: 1.5rem; max-width: 40rem; }
.legal h1 {
  margin: 0 0 1rem;
  color: var(--teal);
  font-size: clamp(2rem, 7vw, 2.75rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
}
.legal h2 {
  margin: 2.25rem 0 0.5rem;
  font-size: 1.1875rem;
  font-weight: 600;
  line-height: 1.3;
}
.legal p, .legal li { margin: 0 0 0.6rem; }
.legal ul { margin: 0 0 0.6rem; padding-left: 1.25rem; }
.notice {
  margin: -0.5rem 0 0;
  color: var(--muted);
  font-size: 0.9375rem;
}
.site {
  margin-top: 3rem;
  padding-top: 0.25rem;
  border-top: 1px solid var(--line);
}
.mail { font-size: 1.375rem; font-weight: 600; }
.rows { margin: 0; }
.rows div {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1rem;
  padding: 0.5rem 0;
  border-top: 1px solid var(--line);
}
.rows dt { color: var(--muted); }
.rows dd { margin: 0; }
.page-404 .legal section + section { margin-top: 2.5rem; }
.page-404 .legal h1 { font-size: 1.75rem; }

/* Pied de page : pleine largeur, quatre colonnes. */
.bottom {
  margin-top: 4rem;
  padding: 3rem 0 1.5rem;
  background: var(--deep);
  color: var(--deep-muted);
  font-size: 0.9375rem;
}
.bottom a { color: var(--on-deep); text-decoration: none; }
.bottom a:hover { text-decoration: underline; }
.bottom .mark rect { fill: var(--on-deep); }
.bottom .mark path { fill: var(--deep); }
.bottom .wrap { max-width: 60rem; }
.cols {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
  gap: 2rem;
}
.bottom h2 {
  margin: 0 0 0.75rem;
  color: var(--on-deep);
  font-size: 0.9375rem;
  font-weight: 600;
}
.bottom ul { list-style: none; margin: 0; padding: 0; }
.bottom li { margin: 0 0 0.45rem; }
.bottom p { margin: 0 0 0.6rem; }
.bottom .brand { color: var(--on-deep); font-size: 1.0625rem; }
.bottom .about p:not(.brand) { max-width: 30ch; }
.bottom .quiet { font-size: 0.875rem; }
.bottom a[aria-current] { font-weight: 600; text-decoration: none; }
.legalline {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 0.875rem;
}
.bottom a:focus-visible { outline-color: var(--on-deep); }

@media (max-width: 36rem) {
  :root { --tab-w: 10.5rem; }
  .tab summary {
  display: block;
  list-style: none;
  cursor: pointer;
}
.tab summary::-webkit-details-marker { display: none; }
.tab summary:focus-visible { outline: none; }
.tab summary:focus-visible span {
  outline: 3px solid var(--teal);
  outline-offset: 2px;
}
.tab summary span { padding: 0.4rem 0.6rem 0.3rem; font-size: 0.8125rem; }
  .rows div { grid-template-columns: 1fr; gap: 0.2rem; }
  .feature { grid-template-columns: 5rem 1fr; gap: 1rem; align-items: start; }
  .pin { grid-template-columns: 4rem 1fr; gap: 1rem; padding: 1.25rem; }
  .cols { grid-template-columns: 1fr 1fr; }
  .cols .about, .cols > div:last-child { grid-column: 1 / -1; }
  .pin h2 { font-size: 1.0625rem; }
  .pin p { font-size: 0.9375rem; }
}