/* Sidorga — site vitrine. Palette « Tech Premium » : Bleu nuit, Bleu électrique,
   Violet, Blanc. Tout le reste est une opacité de l'un d'eux. */
@font-face { font-family: 'Sora'; src: url('assets/fonts/sora-latin-wght-normal.woff2') format('woff2'); font-weight: 100 800; font-display: swap; }
@font-face { font-family: 'Inter'; src: url('assets/fonts/inter-latin-wght-normal.woff2') format('woff2'); font-weight: 100 900; font-display: swap; }

:root {
  --nuit: #0b1f4b; --electrique: #3b82f6; --violet: #8b5cf6; --blanc: #fff;
  --fond: #f3f4f6; --texte: #0b1f4b; --discret: #606d8a; --trait: #d8dbe2;
  --degrade: linear-gradient(90deg, #0b1f4b 0%, #3b82f6 62%, #8b5cf6 100%);
  --titre: 'Sora', 'Inter', system-ui, sans-serif;
  --corps: 'Inter', system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; font-family: var(--corps); color: var(--texte); background: var(--blanc); line-height: 1.6; -webkit-font-smoothing: antialiased; }
h1, h2, h3 { font-family: var(--titre); letter-spacing: -0.025em; line-height: 1.08; margin: 0; text-wrap: balance; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--electrique); outline-offset: 3px; border-radius: 8px; }
.conteneur { width: min(1200px, 100% - 48px); margin-inline: auto; }

.ambiance { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.logo { height: 38px; width: calc(38px * 491.65 / 126.66); color: currentColor; display: block; }

.bouton { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 24px; border-radius: 999px; font: 600 15px/1 var(--titre); text-decoration: none; border: 2px solid transparent; transition: transform .15s, background .15s; white-space: nowrap; }
.bouton:hover { transform: translateY(-1px); }
.bouton--blanc { background: var(--blanc); color: var(--nuit); }
.bouton--contour { border-color: rgba(255,255,255,.7); color: var(--blanc); }
.bouton--contour:hover { background: rgba(255,255,255,.12); }
.bouton--grand { min-height: 56px; padding: 0 32px; font-size: 16px; }

.haut { position: absolute; inset: 0 0 auto 0; z-index: 10; color: var(--blanc); }
.haut__barre { display: flex; align-items: center; gap: 32px; padding: 24px 0; }
.haut__nav { display: flex; gap: 32px; margin-inline: auto; font-size: 15px; opacity: .85; }
.haut__nav a { text-decoration: none; } .haut__nav a:hover { opacity: 1; text-decoration: underline; text-underline-offset: 6px; }
.haut__actions { display: flex; gap: 12px; }

.hero { position: relative; overflow: hidden; color: var(--blanc); background: var(--nuit); padding: 150px 0 110px; }
.hero__grille { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 64px; align-items: center; }
.hero h1 { font-size: clamp(42px, 6vw, 76px); font-weight: 800; letter-spacing: -0.035em; }
.chapo { font-size: 20px; line-height: 1.5; opacity: .88; max-width: 34em; margin: 24px 0 36px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

.apercu { margin: 0; background: var(--blanc); color: var(--nuit); border-radius: 24px; padding: 26px; box-shadow: 0 40px 80px rgba(4, 12, 36, .45); }
.apercu__tete { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.apercu__tete strong { display: block; font: 700 20px var(--titre); } .apercu__tete span { font-size: 13px; color: var(--discret); }
.apercu__tete em { font-style: normal; font-size: 12px; font-weight: 600; background: var(--fond); padding: 6px 12px; border-radius: 999px; }
.apercu ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.apercu li { display: flex; justify-content: space-between; align-items: center; gap: 12px; background: var(--fond); border-radius: 16px; padding: 16px 18px; }
.apercu li strong { display: block; font: 600 15px var(--titre); } .apercu li span { font-size: 13px; color: var(--discret); }
.puce { font: 600 12px var(--corps); padding: 6px 12px; border-radius: 999px; background: var(--trait); }
.puce--info { background: var(--electrique); color: var(--blanc); }
.apercu figcaption { margin-top: 14px; font-size: 11px; color: var(--discret); }

.section { padding: 110px 0; }
.section--gris { background: var(--fond); }
.surtitre { margin: 0 0 14px; font: 600 12px var(--titre); letter-spacing: .16em; text-transform: uppercase; color: var(--electrique); }
.section h2 { font-size: clamp(34px, 4.4vw, 54px); font-weight: 700; max-width: 14em; margin-bottom: 56px; }
.cartes { display: grid; gap: 20px; }
.cartes--4 { grid-template-columns: repeat(4, 1fr); } .cartes--3 { grid-template-columns: repeat(3, 1fr); }
.carte { position: relative; overflow: hidden; background: var(--fond); border-radius: 24px; padding: 32px; min-height: 280px; display: flex; flex-direction: column; justify-content: flex-end; gap: 10px; }
.carte > * { position: relative; }
.carte h3 { font-size: 26px; font-weight: 700; } .carte p { margin: 0; color: var(--discret); font-size: 15px; }
.carte__ico { position: absolute; top: 28px; left: 32px; width: 52px; height: 52px; display: grid; place-items: center; background: var(--blanc); border-radius: 16px; }
.ico { width: 26px; height: 26px; fill: none; stroke: var(--nuit); stroke-width: 1.8; stroke-linejoin: miter; }
.carte--sombre { background: var(--nuit); color: var(--blanc); } .carte--sombre p { color: rgba(255,255,255,.85); }
.carte--sombre .carte__ico { background: rgba(255,255,255,.14); } .carte--sombre .ico { stroke: var(--blanc); }
.carte--blanche { background: var(--blanc); min-height: 220px; justify-content: flex-start; }
.etincelle { width: 22px; height: 22px; fill: var(--electrique); margin-bottom: 18px; }

.appel { position: relative; overflow: hidden; color: var(--blanc); background: var(--nuit); padding: 110px 0; }
.appel__grille { position: relative; display: flex; justify-content: space-between; align-items: center; gap: 48px; }
.appel h2 { font-size: clamp(44px, 6vw, 76px); font-weight: 800; letter-spacing: -0.035em; }
.appel__sigle { width: 250px; height: calc(250px * 126.66 / 117.51); color: var(--blanc); flex: none; }

.pied { padding: 56px 0 40px; }
.pied__grille { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.pied .logo { height: 32px; width: calc(32px * 491.65 / 126.66); color: var(--nuit); }
.pied nav { display: flex; gap: 28px; font-size: 14px; color: var(--discret); } .pied nav a { text-decoration: none; } .pied nav a:hover { color: var(--nuit); text-decoration: underline; }
.pied__mention { font-size: 12px; color: var(--discret); margin-top: 24px; margin-bottom: 0; }

@media (max-width: 960px) {
  .hero__grille, .cartes--4, .cartes--3 { grid-template-columns: 1fr 1fr; }
  .hero__grille { grid-template-columns: 1fr; }
  .haut__nav { display: none; }
  .haut__barre { justify-content: space-between; }
  .appel__sigle { display: none; }
}
@media (max-width: 640px) {
  .cartes--4, .cartes--3 { grid-template-columns: 1fr; }
  .haut__actions .bouton--contour { display: none; }
  .logo { height: 30px; width: calc(30px * 491.65 / 126.66); }
  .hero { padding: 120px 0 80px; } .section { padding: 72px 0; }
  .pied__grille { flex-direction: column; align-items: flex-start; }
}

.periodicite { display: inline-flex; gap: 4px; padding: 4px; margin: -24px 0 32px; background: var(--fond); border-radius: 999px; }
.periodicite button { border: 0; background: transparent; padding: 10px 18px; border-radius: 999px; font: 600 14px var(--titre); color: var(--discret); cursor: pointer; }
.periodicite button[aria-checked="true"] { background: var(--nuit); color: var(--blanc); }
.offres { align-items: stretch; }
.offre { position: relative; display: flex; flex-direction: column; gap: 12px; background: var(--fond); border: 2px solid transparent; border-radius: 24px; padding: 32px; }
.offre--mise { border-color: var(--electrique); background: var(--blanc); box-shadow: 0 24px 48px rgba(11, 31, 75, .12); }
.offre h3 { font-size: 26px; font-weight: 700; }
.offre__desc { margin: 0; color: var(--discret); font-size: 15px; }
.offre__prix { margin: 8px 0 0; } .offre__prix strong { font: 800 44px/1 var(--titre); letter-spacing: -0.03em; } .offre__prix span { color: var(--discret); font-size: 15px; }
.offre__note { margin: 0; font-size: 13px; color: var(--discret); font-variant-numeric: tabular-nums; }
.offre ul { list-style: none; margin: 8px 0 0; padding: 0; display: grid; align-content: start; gap: 10px; flex: 1; font-size: 15px; }
.offre li { position: relative; padding-left: 26px; }
.offre li::before { content: ""; position: absolute; left: 2px; top: .45em; width: 12px; height: 7px; border-left: 2px solid var(--electrique); border-bottom: 2px solid var(--electrique); transform: rotate(-45deg); }
.offre .bouton { margin-top: 12px; }
.bouton--nuit { background: var(--nuit); color: var(--blanc); }
.tarifs__mention { margin: 28px 0 0; font-size: 13px; color: var(--discret); max-width: 60em; } .tarifs__mention a { color: inherit; }
@media (max-width: 960px) { .offres.cartes--3 { grid-template-columns: 1fr; max-width: 520px; } }
@media (max-width: 640px) { .periodicite button { padding: 10px 12px; font-size: 13px; } }