/*
 * Landing Novae SMS — charte « Malachite & Signal » (docs/CHARTE.md).
 *
 * Deux sols : Encre (héros, code, tarifs) et Papier (lecture). Signal (ambre)
 * n'existe que sur fond sombre ; sur clair, sa déclinaison texte #8A5A10.
 * La signature de la page est la grille de caractères du héros — tout le reste
 * reste discipliné pour la laisser porter.
 */

/* --- Fontes (auto-hébergées, aucun CDN) --------------------------------- */

@font-face {
  font-family: 'Bricolage Grotesque';
  src: url('/fonts/bricolage-latin.woff2') format('woff2');
  font-weight: 600 700;
  font-display: swap;
  unicode-range: U+0000-00FF, U+2013-2014, U+2018-201D, U+2026;
}
@font-face {
  font-family: 'Bricolage Grotesque';
  src: url('/fonts/bricolage-latin-ext.woff2') format('woff2');
  font-weight: 600 700;
  font-display: swap;
  unicode-range: U+0100-024F, U+0152-0153;
}
@font-face {
  font-family: 'IBM Plex Sans';
  src: url('/fonts/ibm-plex-sans-400.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Sans';
  src: url('/fonts/ibm-plex-sans-600.woff2') format('woff2');
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('/fonts/ibm-plex-mono-400.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}

/* --- Jetons -------------------------------------------------------------- */

:root {
  --encre: #122019;
  --encre-2: #1a2b22; /* surfaces sur fond sombre */
  --encre-filet: #2b3f34;
  --papier: #f6f7f4;
  --surface: #ffffff;
  --filet: #dde2da;
  --filet-fort: #c2cabf;

  --ink: #171c18;
  --ink-dim: #5c655e;
  --ink-faint: #8d968e;
  --paper-ink: #e9ece7; /* texte sur Encre */
  --paper-dim: #9caba0;
  --paper-faint: #64756b;

  --malachite: #1e5c4a;
  --malachite-sombre: #17493b;
  --signal: #e4a33c;
  --signal-texte: #8a5a10;
  --delivre: #2c6b48;
  --alerte: #9d3327;

  --display: 'Bricolage Grotesque', 'IBM Plex Sans', sans-serif;
  --sans: 'IBM Plex Sans', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --wide: 1120px;
}

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

body {
  margin: 0;
  background: var(--papier);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.mono {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}

a {
  color: var(--malachite);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}
a:focus-visible,
.btn:focus-visible {
  outline: 2px solid var(--malachite);
  outline-offset: 2px;
}

code {
  font-family: var(--mono);
  font-size: 0.92em;
  color: var(--malachite);
  background: none;
  padding: 0;
}

.kicker {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal-texte);
  margin: 0 0 12px;
}

h1,
h2 {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin: 0 0 18px;
}

h1 {
  font-size: clamp(34px, 4.8vw, 58px);
  line-height: 1.04;
}

h2 {
  font-size: clamp(24px, 2.8vw, 34px);
  font-weight: 600;
  line-height: 1.15;
  max-width: 26ch;
}

h3 {
  font-size: 15.5px;
  margin: 0 0 8px;
  font-weight: 600;
}

.faint {
  color: var(--ink-faint);
}

/* --- Sols sombres --------------------------------------------------------- */

.dark {
  background: var(--encre);
  color: var(--paper-ink);
}

.dark .kicker {
  color: var(--signal);
}
.dark a {
  color: var(--paper-ink);
}
.dark code {
  color: var(--signal);
}
.dark a:focus-visible,
.dark .btn:focus-visible {
  outline-color: var(--signal);
}

/* --- En-tête -------------------------------------------------------------- */

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: var(--wide);
  margin: 0 auto;
  padding: 20px 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15px;
  color: inherit;
}
.brand:hover {
  text-decoration: none;
}
.mark {
  flex: none;
}

.top nav {
  display: flex;
  gap: 24px;
  font-size: 14px;
}
.top nav a {
  color: var(--paper-dim);
}
.top nav a:hover {
  color: var(--paper-ink);
  text-decoration: none;
}
.top nav a.cta-link {
  color: var(--signal);
  font-weight: 600;
}

/* --- Héros ---------------------------------------------------------------- */

.hero-wrap {
  border-bottom: 1px solid var(--filet);
}

.hero {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 44px 24px 72px;
  display: grid;
  grid-template-columns: minmax(0, 10fr) minmax(0, 11fr);
  gap: 48px;
  align-items: center;
}

.lede {
  font-size: 16.5px;
  color: var(--paper-dim);
  margin: 0 0 28px;
  max-width: 46ch;
}
main .lede {
  color: var(--ink-dim);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

.btn {
  display: inline-block;
  font-size: 14.5px;
  font-weight: 600;
  padding: 11px 20px;
  border: 1px solid transparent;
}
.btn:hover {
  text-decoration: none;
}

.btn.signal {
  background: var(--signal);
  color: var(--encre);
}
.btn.signal:hover {
  background: #f0b355;
}

.btn.ghost {
  border-color: var(--encre-filet);
  color: var(--paper-ink);
}
.btn.ghost:hover {
  border-color: var(--paper-faint);
}

.btn.primary {
  background: var(--malachite);
  color: #fff;
}
.btn.primary:hover {
  background: var(--malachite-sombre);
}

/* --- Le composeur (signature) --------------------------------------------- */

.composer {
  margin: 0;
  background: var(--encre-2);
  border: 1px solid var(--encre-filet);
  border-top: 2px solid var(--signal);
}

.composer-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--encre-filet);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--paper-faint);
}

.composer-dot {
  width: 7px;
  height: 7px;
  background: var(--delivre);
  flex: none;
}

.composer-text {
  min-height: 3.2em;
  margin: 0;
  padding: 14px 16px 8px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--paper-ink);
  overflow-wrap: anywhere;
}

/* Curseur de saisie. */
.composer-text::after {
  content: '';
  display: inline-block;
  width: 7px;
  height: 1em;
  margin-left: 2px;
  vertical-align: text-bottom;
  background: var(--signal);
  animation: caret 1s steps(1) infinite;
}
@keyframes caret {
  50% {
    opacity: 0;
  }
}

/* La grille de caractères : chaque case est un caractère du message. */
.cellgrid {
  display: grid;
  grid-template-columns: repeat(40, 1fr);
  gap: 2px;
  padding: 10px 16px 14px;
}

.cellgrid.is-ucs2 {
  grid-template-columns: repeat(35, 1fr);
}

.cell {
  aspect-ratio: 1;
  min-width: 0;
  background: transparent;
  border: 1px solid var(--encre-filet);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 7.5px;
  line-height: 1;
  color: transparent;
  transition: background-color 120ms, border-color 120ms;
}

.cell.on {
  background: #223529;
  border-color: #34493c;
  color: var(--paper-dim);
}

/* Le caractère fautif. */
.cell.hot {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--encre);
  font-weight: 700;
}

/* Deuxième segment : la partie qui se paie en plus. */
.cell.seg2 {
  border-color: #57431f;
}
.cell.seg2.on {
  background: #3a2f18;
  border-color: #6b5426;
  color: var(--signal);
}

.seg-break {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0 2px;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--signal);
}
.seg-break::before,
.seg-break::after {
  content: '';
  height: 1px;
  background: #57431f;
  flex: 1;
}

.composer-stats {
  display: flex;
  gap: 22px;
  padding: 12px 16px;
  border-top: 1px solid var(--encre-filet);
  font-size: 12px;
}

.composer-stats em {
  display: block;
  font-style: normal;
  font-size: 9.5px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--paper-faint);
  margin-bottom: 2px;
}

.composer-stats b {
  font-weight: 400;
  color: var(--paper-ink);
}

.composer-stats .st-price {
  margin-left: auto;
  text-align: right;
}
.composer-stats .st-price b {
  font-size: 16px;
}

/* Bascule UCS-2 : les valeurs qui coûtent passent en Signal. */
.composer.is-ucs2 .composer-stats b {
  color: var(--signal);
}

.composer figcaption {
  padding: 9px 16px 12px;
  font-size: 11.5px;
  color: var(--paper-faint);
  border-top: 1px solid var(--encre-filet);
}

/* --- Sections claires ------------------------------------------------------ */

.band {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 84px 24px;
}

.band + .band {
  border-top: 1px solid var(--filet);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 44px;
  align-items: start;
  margin-top: 28px;
}

.prose p,
p.prose {
  max-width: 58ch;
  color: var(--ink-dim);
  margin: 0 0 14px;
}
.prose strong {
  color: var(--ink);
}

/* --- Blocs de code --------------------------------------------------------- */

.code {
  margin: 0;
  background: var(--encre);
  border: 1px solid var(--encre);
}

.code figcaption {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--paper-faint);
  padding: 10px 16px;
  border-bottom: 1px solid var(--encre-filet);
}

.code pre {
  margin: 0;
  padding: 16px;
  overflow-x: auto;
}

.code code {
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--paper-ink);
  white-space: pre;
}

.code .c {
  color: #8fbfa8;
}
.code .k {
  color: #8fbfa8;
}
.code .s {
  color: #d8b98a;
}
.code .n {
  color: var(--signal);
}
.code .a {
  color: var(--signal);
}
.code .cm {
  color: var(--paper-faint);
}

/* --- Diagramme ------------------------------------------------------------- */

.pipeline {
  margin: 34px 0 10px;
}

/* Sous 720 px le diagramme défile au lieu de s'écraser : un schéma illisible
   est pire qu'absent. */
.pipeline {
  overflow-x: auto;
}

.pipeline svg {
  width: 100%;
  min-width: 680px;
  height: auto;
  display: block;
}

.pl-node rect {
  fill: var(--surface);
  stroke: var(--filet-fort);
}
.pl-node text {
  fill: var(--ink);
  font-family: var(--mono);
  font-size: 13px;
  text-anchor: middle;
}
.pl-node .pl-sub {
  fill: var(--ink-faint);
  font-size: 10.5px;
}

.pl-strong rect {
  stroke: var(--malachite);
  stroke-width: 1.5;
}
.pl-ok rect {
  stroke: var(--delivre);
  stroke-width: 1.5;
}
.pl-ok text {
  fill: var(--delivre);
}
.pl-ok .pl-sub {
  fill: var(--ink-faint);
}

.pl-line line {
  stroke: var(--ink-faint);
  stroke-width: 1.4;
}

.pl-refund path {
  stroke: var(--signal-texte);
  stroke-width: 1.4;
  stroke-dasharray: 5 4;
  fill: none;
}
.pl-refund rect {
  fill: var(--papier);
  stroke: var(--signal-texte);
}
.pl-refund text {
  fill: var(--signal-texte);
  font-family: var(--mono);
  font-size: 11.5px;
  text-anchor: middle;
}

.pipeline figcaption {
  max-width: 64ch;
  font-size: 13.5px;
  color: var(--ink-dim);
  margin-top: 8px;
}

.api-split {
  margin-top: 44px;
}

/* --- Garanties ------------------------------------------------------------- */

.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 34px 36px;
  margin-top: 34px;
}

.grid article {
  border-top: 2px solid var(--malachite);
  padding-top: 16px;
}

.grid article.wide-card {
  grid-column: span 2;
}

.grid p {
  margin: 0;
  color: var(--ink-dim);
  font-size: 14px;
}

/* --- Tarifs (bandeau sombre) ----------------------------------------------- */

.band-dark {
  border-top: 1px solid var(--filet);
}

.band-dark-inner {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 84px 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}

.band-dark h2 {
  color: var(--paper-ink);
}

.price-card {
  background: var(--encre-2);
  border: 1px solid var(--encre-filet);
  border-top: 2px solid var(--signal);
  padding: 26px 28px;
}

.price-figure {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 16px;
}

.amount {
  font-size: 46px;
  letter-spacing: -0.03em;
  color: var(--signal);
}

.unit {
  font-size: 13px;
  color: var(--paper-faint);
}

.price-points {
  margin: 0;
  padding-left: 18px;
  font-size: 14px;
  color: var(--paper-dim);
}
.price-points li {
  margin-bottom: 5px;
}

/* --- Contact / pied --------------------------------------------------------- */

.contact .prose {
  margin-bottom: 24px;
}

footer {
  margin-top: 0;
}

.foot-inner {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 22px 24px 40px;
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 13px;
}
.foot-inner .faint {
  color: var(--paper-faint);
}
.foot-inner a {
  margin-left: auto;
  color: var(--paper-dim);
}

/* --- Réactif ---------------------------------------------------------------- */

@media (max-width: 900px) {
  .hero,
  .split,
  .band-dark-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hero {
    padding-top: 20px;
  }
  .top nav a:not(.cta-link) {
    display: none;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .grid article.wide-card {
    grid-column: auto;
  }
  h2 {
    max-width: none;
  }
}

/* --- Mouvement réduit -------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .composer-text::after {
    animation: none;
  }
  .cell {
    transition: none;
  }
}