/* Styles réservés aux pages publiques ; l’espace de travail reste indépendant. */
.landing-page, .auth-page { font-size: 16px; }
html[data-theme="light"] :is(.landing-page, .auth-page) { --muted: #5e6c81; }
.landing-page h1, .landing-page h2, .auth-page h1, .auth-page h2 { letter-spacing: -.03em; text-wrap: balance; }
.landing-page a, .auth-page a { text-underline-offset: .22em; }
.landing-page a:focus-visible, .auth-page a:focus-visible, .auth-page button:focus-visible,
.auth-page input:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.landing-page ::selection, .auth-page ::selection { background: var(--accent-soft); color: var(--ink); }
.landing-main { max-width: 1320px; }
.landing-hero { gap: 48px; }
.landing-hero h1 { font-size: clamp(40px, 4.6vw, 64px); }
.landing-hero p { max-width: 55ch; font-size: 16px; line-height: 1.75; }
.landing-hero small { font-size: 13px; }
.landing-access, .landing-cta { font-size: 14px; min-height: 44px; display: inline-flex; align-items: center; }
.landing-access:hover { color: var(--accent); text-decoration: underline; }
.landing-cta:hover, .auth-form > button[type="submit"]:hover { background: #2449c9; }
.landing-preview { box-shadow: none; border-radius: 16px; }
.preview-content { padding: 30px; }
.preview-content h2 { font-size: 30px; }
.preview-content p, .preview-line, .preview-top { font-size: 13px; }
.preview-line:last-child { border-bottom: 0; }
.landing-nav { display: flex; flex-wrap: wrap; gap: 12px 30px; margin-top: 55px; padding: 18px 0; border-block: 1px solid var(--line); }
.landing-nav a { color: var(--ink); font-size: 14px; min-height: 44px; display: inline-flex; align-items: center; }
.landing-features { margin: 42px 0; gap: 30px; }
.landing-features article { border: 0; padding: 0; }
.landing-features h2 { font-size: 22px; }
.landing-features p, .landing-signals li, .landing-level p, .landing-transparency p,
.landing-section > p, .landing-band > p { font-size: 15px; line-height: 1.8; }
.landing-signals b { font-size: 16px; margin-bottom: 7px; }
.landing-section > p, .landing-band > p, .landing-transparency p { max-width: 75ch; }
.landing-band, .landing-section { margin-top: 64px; scroll-margin-top: 24px; }
.landing-transparency { margin-top: 64px; padding: 30px; scroll-margin-top: 24px; }
.landing-footer { font-size: 12px; }
.landing-band { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 12px 48px; }
.protection-intro p { color: #b4c7e3; font-size: 15px; line-height: 1.8; }
.landing-band .landing-facts { grid-template-columns: 1fr; margin: 0; gap: 16px; }
.landing-band .landing-facts > div { display: grid; grid-template-columns: 150px 1fr; gap: 4px 16px; padding-top: 16px; align-content: start; }
.landing-band .landing-facts dd:not(.fact-note) { grid-column: 1; grid-row: 1 / 3; margin: 0; font-size: 32px; }
.landing-band .landing-facts dt, .landing-band .landing-facts .fact-note { grid-column: 2; }
.landing-band .landing-facts .fact-note { margin: 0; }
.landing-band > .facts-source, .landing-band > .landing-signals { grid-column: 1 / -1; }
.privacy-columns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 30px; }
.privacy-columns h3 { font-size: 16px; margin: 12px 0; }
.privacy-columns a, .access-section a { color: var(--accent); }
.signal-details { margin: 24px 0; }
.signal-details summary { cursor: pointer; padding: 14px 0; color: var(--accent); }
.access-section { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; margin-top: 64px; padding: 36px 0; border-top: 1px solid var(--line); scroll-margin-top: 24px; }
.access-section h2 { font-size: 34px; color: var(--ink); text-transform: none; line-height: 1.2; }
.access-intro p { font-size: 15px; line-height: 1.8; max-width: 60ch; }
.access-steps { padding-left: 22px; font-size: 15px; line-height: 1.8; }
.access-steps li { padding: 6px 0 6px 8px; }
.access-steps li::marker { color: var(--accent); font-weight: 650; }
.access-form-panel { min-width: 0; }
.access-form-panel p { font-size: 13px; line-height: 1.7; }
#access-status { min-height: 24px; }
#access-status[data-state="error"] { color: var(--err); }
@media (max-width: 1000px) {
  .landing-band { grid-template-columns: 1fr; gap: 20px; }
  .access-section { gap: 32px; }
}
@media (max-width: 700px) {
  .privacy-columns, .access-section { grid-template-columns: 1fr; gap: 24px; }
  .landing-band .landing-facts > div { grid-template-columns: 1fr; }
  .landing-band .landing-facts dd:not(.fact-note) { grid-row: auto; }
  .landing-band .landing-facts dt, .landing-band .landing-facts .fact-note { grid-column: 1; }
}
.landing-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; margin: 32px 0 20px; }
.landing-facts > div { display: flex; flex-direction: column; padding: 24px 0 0; border-top: 1px solid #334761; }
.landing-facts dt { color: #f1f5ff; font-size: 15px; line-height: 1.5; font-weight: 600; }
.landing-facts dd { order: -1; color: #f1f5ff; margin: 0 0 12px; font-size: clamp(32px, 3.5vw, 46px); line-height: 1.15; font-weight: 650; letter-spacing: -.025em; font-variant-numeric: tabular-nums; }
.landing-facts .fact-note, .facts-source p { color: #b4c7e3; font-size: 13px; line-height: 1.75; max-width: 75ch; }
.landing-facts .fact-note { order: 0; font-weight: 400; letter-spacing: normal; margin: 13px 0; }
.facts-source { color: #b4c7e3; font-size: 13px; }
.facts-source summary { cursor: pointer; padding: 12px 0; text-decoration: underline; text-underline-offset: .22em; }
.facts-source summary:focus-visible { outline: 3px solid #94b0ff; outline-offset: 4px; }
@media (max-width: 800px) {
  .landing-facts { grid-template-columns: 1fr; gap: 20px; }
}
.mail-diagram { margin: 32px 0; }
.mail-diagram figcaption { font-size: 22px; line-height: 1.35; font-weight: 650; letter-spacing: -.025em; color: var(--ink); margin-bottom: 28px; }
.mail-flow, .reading-flow { list-style: none; padding: 0; margin: 0; }
.mail-flow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 36px; }
.mail-flow li { position: relative; min-width: 0; padding: 18px 0; border-top: 1px solid var(--line); }
.mail-flow li + li::before { content: ""; position: absolute; left: -29px; top: 35px; width: 17px; height: 8px; background: var(--muted); clip-path: polygon(0 38%, 65% 38%, 65% 0, 100% 50%, 65% 100%, 65% 62%, 0 62%); }
.mail-diagram strong { display: block; font-size: 15px; font-weight: 650; line-height: 1.45; }
.mail-diagram li > span { display: block; font-size: 13px; color: var(--muted); line-height: 1.65; margin-top: 6px; }
.flow-icon { width: 32px; height: 32px; fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 14px; }
.mail-flow .flow-emphasis { border-top-color: var(--accent); }
.flow-emphasis strong { color: var(--accent); }
.mail-flow .flow-caution { border-top-color: var(--warn); }
.flow-caution strong { color: var(--warn); }
.mail-diagram .diagram-note { color: var(--muted); font-size: 13px; line-height: 1.7; max-width: 75ch; margin: 18px 0 0; }
.journey-diagram { margin: 44px 0 60px; }
@media (min-width: 801px) {
  /* Centre la flèche entre les icônes, plutôt que dans la gouttière des colonnes. */
  .journey-diagram .mail-flow li + li::before { left: calc(-50% - 10.5px); }
}
.reading-diagram { margin: 24px 0 0; }
.reading-diagram figcaption { font-size: 14px; margin-bottom: 18px; }
.reading-flow li { position: relative; padding-left: 22px; border-left: 1px solid var(--line); padding-bottom: 26px; }
.reading-flow li::before { content: ""; position: absolute; left: -5px; top: 6px; width: 9px; height: 9px; border-radius: 50%; background: var(--accent); }
.reading-flow li:last-child { padding-bottom: 0; border-color: transparent; }
.reading-flow li + li::after { content: ""; position: absolute; left: -4px; top: -12px; width: 7px; height: 7px; border-right: 1px solid var(--accent); border-bottom: 1px solid var(--accent); transform: rotate(45deg); }
.flow-stop { display: flex; gap: 9px; align-items: flex-start; color: var(--warn); font-size: 12px; line-height: 1.6; margin-top: 12px; }
.flow-stop svg { flex: 0 0 18px; width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; margin-top: 1px; }
.ai-diagram { padding: 28px 0; border-block: 1px solid var(--line); }
.ai-lane + .ai-lane { margin-top: 28px; }
.ai-lane h3 { font-size: 16px; color: var(--ink); margin: 0 0 16px; font-weight: 550; }
.ai-lane .mail-flow { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 800px) {
  .journey-diagram .mail-flow, .ai-lane .mail-flow { grid-template-columns: 1fr; gap: 24px; }
  .mail-flow li { padding: 12px 0 12px 20px; border-top: 0; border-left: 1px solid var(--line); }
  .mail-flow .flow-emphasis { border-left-color: var(--accent); }
  .mail-flow .flow-caution { border-left-color: var(--warn); }
  .mail-flow li + li::before { left: 19px; top: -18px; transform: rotate(90deg); }
  .flow-icon { float: right; margin: 0 0 12px 16px; }
  .mail-diagram figcaption { font-size: 20px; }
  .reading-diagram figcaption { font-size: 14px; }
}
.auth-story .brand, .auth-card .brand { color: inherit; text-decoration: none; }
@media (min-width: 701px) {
  .landing-page .brand-mark, .auth-page .brand-mark { flex-basis: 56px; width: 56px; height: 56px; }
  .landing-page .brand > strong, .auth-page .brand > strong { font-size: 21px; }
}
.auth-story { justify-self: stretch; }
.auth-story .brand-mark, .auth-card .brand-mark { display: grid; place-items: center; }
.auth-story h2 { font-size: clamp(38px, 3.5vw, 54px); letter-spacing: -.03em; margin: 0 0 24px; max-width: none; line-height: 1.12; }
.auth-story-main > p { color: #b4c7e3; font-size: 16px; line-height: 1.75; margin: 0; max-width: 42ch; }
.auth-features { display: grid; gap: 26px; margin: 36px 0 0; padding: 0; font-size: 14px; line-height: 1.7; }
.auth-features li { display: flex; align-items: flex-start; gap: 16px; padding: 0; border: 0; }
.auth-features svg { flex: 0 0 24px; width: 24px; height: 24px; margin-top: 2px; fill: none; stroke: #94b0ff; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.auth-features strong { display: block; color: #f1f5ff; font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.auth-features span { display: block; color: #b4c7e3; }
.auth-story > .auth-story-footer { max-width: none; margin: 0; padding-top: 20px; border-top: 1px solid #334761; color: #b4c7e3; font-size: 13px; }
@media (min-width: 701px) {
  .auth-story { display: grid; grid-template-rows: auto 1fr auto; padding: 40px clamp(28px, 4.5vw, 88px); }
  .auth-story > * { width: min(100%, 480px); margin-inline: auto; }
  .auth-story .brand { position: static; min-width: 0; }
  .auth-story-main { align-self: center; padding-block: 56px; }
  .auth-story > .auth-story-footer { margin-inline: auto; }
}
.auth-page .auth-card { width: min(500px,100%); }
.auth-card #auth-title { font-size: 30px; line-height: 1.2; }
.auth-card > .muted, .auth-form label, .auth-form .muted { font-size: 14px; line-height: 1.7; }
.auth-card a { color: var(--accent); }
.auth-form input { font-size: 16px; caret-color: var(--accent); }
.password-control { display: flex; align-items: stretch; gap: 8px; margin-top: 6px; }
.password-control input { flex: 1; width: 0; margin-top: 0; }
.password-toggle { flex: 0 0 auto; padding: 8px; font-size: 13px; }
.auth-page button.secondary { color: var(--accent); }
.password-toggle[hidden] { display: none; }
.auth-form .field-error { margin: -8px 0 0; font-size: 14px; color: var(--err); line-height: 1.6; }
.auth-form input[aria-invalid="true"] { border-color: var(--err); }
.auth-form #password-help { margin: -8px 0 0; }
.auth-form .auth-field-help { margin: -8px 0 0; font-size: 13px; }
.auth-form #forgot-show, .auth-form .auth-text-action { justify-self: start; padding: 8px 0; border: 0; background: transparent; text-align: left; text-underline-offset: .22em; }
.auth-form #forgot-show:hover, .auth-form .auth-text-action:hover { text-decoration: underline; }
.landing-page :is(input, button, summary):focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.auth-form button, .auth-form > a { min-height: 44px; }
.auth-form > a { display: inline-flex; align-items: center; }
.auth-form button:disabled { cursor: wait; opacity: .65; }
.auth-form[hidden] { display: none; }
#auth-status { min-height: 24px; font-size: 14px; overflow-wrap: anywhere; }
#auth-status[data-state="error"] { color: var(--err); }
.auth-success-link { display: flex; align-items: center; min-height: 44px; margin-top: 12px; }
.auth-card .auth-invitation { padding-top: 20px; border-top: 1px solid var(--line); }
.auth-invitation p { font-size: 14px; color: var(--muted); line-height: 1.7; margin: 0 0 12px; }
@media (max-width: 800px) {
  .landing-hero { gap: 30px; }
  .landing-nav { margin-top: 32px; gap: 4px 20px; }
  .landing-band, .landing-section, .landing-transparency { margin-top: 44px; }
}
@media (max-width: 700px) {
  .auth-page .auth-card { margin-top: 0; padding: 28px 24px; }
  .auth-card > .brand { margin-bottom: 36px; }
  .auth-card #auth-title { font-size: 28px; }
  .landing-header { gap: 12px; padding: 16px 24px; }
  .landing-header .brand { gap: 8px; }
  .landing-access { font-size: 13px; }
  .preview-content, .landing-transparency { padding: 24px; }
  .preview-line { flex-wrap: wrap; gap: 4px 16px; }
  .landing-hero h1 { font-size: clamp(36px, 9vw, 52px); }
}