/* ==========================================================================
   ALPA Data — Checklist anti-arnaque (outil EP.01)
   DA « Signal » : sobre, lisible, imprimable. Pas de canvas ici : la page
   doit se lire vite, y compris par quelqu'un en train de se faire arnaquer.
   ========================================================================== */

:root {
  --nuit: #071B2B;
  --noir: #0B1015;
  --cyan: #19E7E1;
  --bleu: #38BDF8;
  --blanc: #F4F8FB;
  --gris: #9BA8B5;
  --alerte: #FFB84D;

  --rule: rgba(155, 168, 181, .14);

  --font-display: "Space Grotesk", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --gutter: clamp(20px, 6vw, 80px);
  --max: 880px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; overflow-x: clip; }

body {
  background: var(--noir);
  color: var(--blanc);
  font-family: var(--font-display);
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

img { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

.mono { font-family: var(--font-mono); }
.accent { color: var(--cyan); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

::selection { background: rgba(25, 231, 225, .25); }

main { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

/* ==========================================================================
   Header
   ========================================================================== */

.bar {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 16px var(--gutter);
  border-bottom: 1px solid var(--rule);
  position: sticky; top: 0; z-index: 20;
  background: rgba(11, 16, 21, .92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.bar__brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 16px; text-decoration: none;
}
.bar__brand img { border-radius: 8px; }
.bar__brand em { font-style: normal; color: var(--cyan); }
.bar__nav { display: flex; gap: 22px; }
.bar__nav a {
  font-size: 11px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--gris); text-decoration: none; transition: color .3s;
}
.bar__nav a:hover { color: var(--cyan); }

/* ==========================================================================
   Hero
   ========================================================================== */

.hero { padding: clamp(48px, 9vh, 90px) 0 clamp(36px, 6vh, 60px); }

.hero__tag {
  font-size: 10.5px; letter-spacing: .26em; color: var(--cyan);
  margin-bottom: 18px;
}
.hero__title {
  font-weight: 700;
  font-size: clamp(40px, 8vw, 76px);
  line-height: .98;
  letter-spacing: -.035em;
  text-transform: uppercase;
}
.hero__lede {
  margin-top: 22px;
  max-width: 56ch;
  color: var(--gris);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero__mention {
  margin-top: 22px;
  font-size: 10px; letter-spacing: .18em;
  color: var(--gris); opacity: .7;
}

/* ==========================================================================
   Boutons
   ========================================================================== */

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 15px 26px;
  font-weight: 600; font-size: 14px;
  border-radius: 2px;
  text-decoration: none;
  transition: transform .3s var(--ease-out), box-shadow .3s, background .3s, color .3s;
}
.btn--full {
  background: var(--cyan); color: #03211F;
}
.btn--full:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(25, 231, 225, .3); }
.btn--hollow { border: 1px solid rgba(244, 248, 251, .28); }
.btn--hollow:hover { background: rgba(244, 248, 251, .07); transform: translateY(-2px); }

/* ==========================================================================
   Bloc urgence
   ========================================================================== */

.urgent {
  border: 1px solid rgba(255, 184, 77, .35);
  border-left: 3px solid var(--alerte);
  border-radius: 4px;
  background: rgba(255, 184, 77, .05);
  padding: clamp(22px, 4vw, 34px);
  margin-bottom: clamp(48px, 8vh, 80px);
}
.urgent__title {
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--alerte);
  margin-bottom: 12px;
}
.urgent__text { margin-bottom: 16px; }
.urgent__text strong { color: var(--blanc); }
.urgent__list { list-style: none; display: grid; gap: 9px; }
.urgent__list li {
  position: relative; padding-left: 22px;
  color: var(--gris); font-size: 15.5px;
}
.urgent__list li::before {
  content: "→";
  position: absolute; left: 0; top: 0;
  color: var(--alerte);
}
.urgent__list a { color: var(--blanc); }

/* ==========================================================================
   Sections
   ========================================================================== */

.block { padding-bottom: clamp(52px, 9vh, 96px); }

.sect { margin-bottom: clamp(26px, 4vh, 40px); }
.sect__title {
  font-weight: 700;
  font-size: clamp(28px, 4.4vw, 44px);
  letter-spacing: -.03em;
  line-height: 1.05;
  text-transform: uppercase;
}
.sect__lede { margin-top: 12px; color: var(--gris); max-width: 58ch; }

.note {
  margin-top: 22px;
  font-size: 11.5px; letter-spacing: .04em;
  color: var(--gris); opacity: .85;
  border-left: 2px solid var(--rule);
  padding-left: 14px;
}

/* ==========================================================================
   Cartes des signaux
   ========================================================================== */

.cards, .steps { list-style: none; display: grid; gap: 12px; }

.card, .step {
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: rgba(7, 27, 43, .5);
  padding: 20px 22px;
  transition: border-color .3s, background .3s;
}
.card:hover, .step:hover { border-color: rgba(56, 189, 248, .3); }
.card.is-done, .step.is-done { border-color: rgba(25, 231, 225, .45); background: rgba(25, 231, 225, .05); }

.card__head, .step__head {
  display: flex; align-items: center; gap: 12px;
  cursor: pointer;
  user-select: none;
  position: relative;
}
/* L'input reste focusable au clavier, la case visible est le span. */
.card__head input, .step__head input {
  position: absolute; left: 0; top: 0;
  opacity: 0; width: 22px; height: 22px;
  margin: 0; cursor: pointer;
}
.card__box {
  flex-shrink: 0;
  width: 22px; height: 22px;
  border: 1.5px solid rgba(155, 168, 181, .5);
  border-radius: 4px;
  position: relative;
  transition: border-color .25s, background .25s;
}
.card__head input:checked ~ .card__box,
.step__head input:checked ~ .card__box {
  border-color: var(--cyan);
  background: rgba(25, 231, 225, .15);
}
.card__head input:checked ~ .card__box::after,
.step__head input:checked ~ .card__box::after {
  content: "";
  position: absolute; inset: 0;
  background: center / 13px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='m3.5 8.5 3 3 6-7' fill='none' stroke='%2319E7E1' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
.card__head input:focus-visible ~ .card__box,
.step__head input:focus-visible ~ .card__box {
  outline: 2px solid var(--bleu);
  outline-offset: 3px;
}

.card__num { font-size: 11px; letter-spacing: .2em; color: var(--cyan); }
.card__title, .step__title {
  font-weight: 700;
  font-size: clamp(17px, 2vw, 20px);
  letter-spacing: -.01em;
  line-height: 1.25;
}
.card__text, .step__text {
  margin-top: 12px;
  margin-left: 34px;
  color: var(--gris);
  font-size: 15.5px;
}
.card__text strong, .step__text strong { color: var(--blanc); }

.step__link {
  display: inline-block;
  margin: 12px 14px 0 34px;
  font-size: 11.5px; letter-spacing: .1em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(25, 231, 225, .35);
  padding-bottom: 2px;
  transition: border-color .25s;
}
.step__link:hover { border-color: var(--cyan); }

/* Autres registres --------------------------------------------------------- */

.others {
  margin-top: 26px;
  padding: 20px 22px;
  border: 1px dashed var(--rule);
  border-radius: 4px;
}
.others__title { font-size: 10px; letter-spacing: .24em; color: var(--gris); margin-bottom: 10px; }
.others__text { color: var(--gris); font-size: 15px; }
.others__links { margin-top: 10px; font-size: 12.5px; color: var(--gris); }
.others__links a { color: var(--cyan); text-decoration: none; border-bottom: 1px solid rgba(25, 231, 225, .3); }

/* ==========================================================================
   Progression + email
   ========================================================================== */

.wrapup {
  border: 1px solid rgba(25, 231, 225, .3);
  border-radius: 6px;
  background: linear-gradient(160deg, rgba(25, 231, 225, .05), transparent 55%), rgba(7, 27, 43, .7);
  padding: clamp(26px, 5vw, 44px);
  text-align: center;
}
.wrapup__count {
  font-size: 11px; letter-spacing: .22em;
  color: var(--cyan);
  margin-bottom: 14px;
}
.wrapup__title {
  font-weight: 700;
  font-size: clamp(22px, 3.2vw, 32px);
  letter-spacing: -.02em;
  text-transform: uppercase;
}
.wrapup__text { margin: 12px auto 24px; color: var(--gris); max-width: 46ch; }
.wrapup__form { display: flex; flex-wrap: wrap; gap: 10px; max-width: 480px; margin: 0 auto; }
.wrapup__input {
  flex: 1; min-width: 210px;
  background: rgba(11, 16, 21, .7);
  border: 1px solid var(--rule);
  border-radius: 2px;
  color: var(--blanc);
  font-size: 12.5px; letter-spacing: .08em;
  padding: 15px 16px;
  outline: none;
  transition: border-color .3s, box-shadow .3s;
}
.wrapup__input::placeholder { color: var(--gris); opacity: .6; }
.wrapup__input:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(25, 231, 225, .12); }
.wrapup__note { margin-top: 14px; font-size: 10px; letter-spacing: .2em; color: var(--gris); }
.wrapup__note.is-success { color: var(--cyan); }

/* ==========================================================================
   Sources
   ========================================================================== */

.sources { display: grid; gap: 26px; }
.sources__label { font-size: 10px; letter-spacing: .24em; color: var(--cyan); margin-bottom: 10px; }
.sources__group ul { list-style: none; display: grid; gap: 8px; }
.sources__group li {
  color: var(--gris); font-size: 14.5px;
  padding-left: 16px; position: relative;
}
.sources__group li::before {
  content: "·"; position: absolute; left: 2px; color: var(--gris);
}
.sources__group a { color: var(--blanc); text-decoration: none; border-bottom: 1px solid var(--rule); }
.sources__group a:hover { border-color: var(--cyan); color: var(--cyan); }
.sources__group strong { color: var(--blanc); }

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  border-top: 1px solid var(--rule);
  padding: 36px var(--gutter);
  text-align: center;
}
.footer__sig { font-size: 11px; letter-spacing: .26em; color: var(--gris); }
.footer__legal {
  margin-top: 12px;
  font-size: 10px; letter-spacing: .06em;
  color: var(--gris); opacity: .65;
  max-width: 60ch; margin-inline: auto;
}

/* ==========================================================================
   Impression (la checklist doit vivre sur papier)
   ========================================================================== */

@media print {
  :root { --gris: #444; }
  body { background: #fff; color: #000; font-size: 11pt; }
  .bar, .hero__actions, .wrapup, .footer__sig, .bar__nav { display: none; }
  main { max-width: none; padding: 0; }
  .hero { padding: 0 0 12pt; }
  .hero__title { font-size: 24pt; color: #000; }
  .hero__lede, .sect__lede, .card__text, .step__text, .urgent__list li { color: #333; }
  .accent { color: #000; }
  .card, .step, .urgent, .others { border: 1px solid #999; background: none; break-inside: avoid; }
  .card__box { border-color: #666; }
  .card__num, .sources__label, .step__link { color: #000; }
  .sect__title { font-size: 15pt; }
  a { color: #000; }
  .step__link::after { content: " (" attr(href) ")"; font-size: 8pt; color: #555; }
  .block { padding-bottom: 14pt; }
}

/* ==========================================================================
   Reduced motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .001s !important; animation-duration: .001s !important; }
}