/* Pages de contenu kilodelta.fr — socle commun (préfixe pg-).
 * Même langage visuel que l'accueil, la méthodologie et le changelog :
 * fond marine, dégradé braise → fuchsia → violet, cartes vitrées, apparitions douces.
 * Chaque page peut ajouter sa propre feuille (pg-<page>.css) pour ses effets.
 */
.pg { --f: #f24cc0; --e: #FF6B35; --a: #FFA726; --c: #4FC3F7; --v: #b39dff; --g: #34d399;
  --card: rgba(17, 32, 58, .66); --line: rgba(242, 76, 192, .22); --top: 72px; overflow-x: clip; }
@media (max-width: 540px) { .pg { --top: 64px; } }
.pg section { position: relative; }
.pg .grad { background: linear-gradient(100deg, var(--e), var(--f) 58%, var(--v)); background-size: 200% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent; animation: pg-sheen 9s ease-in-out infinite alternate; }
@keyframes pg-sheen { to { background-position: 100% 0; } }
@keyframes pg-ping { 70% { box-shadow: 0 0 0 9px rgba(255,90,60,0); } 100% { box-shadow: 0 0 0 0 rgba(255,90,60,0); } }
@keyframes pg-spin { to { --pg-a: 360deg; } }
@property --pg-a { syntax: '<angle>'; inherits: false; initial-value: 0deg; }

/* ── Héro ── */
.pg-hero { position: relative; padding: 72px 0 44px; isolation: isolate; overflow: hidden; }
.pg-hero::before { content: ""; position: absolute; inset: -30% -10% auto; height: 140%; z-index: -2;
  background: radial-gradient(50% 50% at 80% 40%, rgba(242,76,192,.15), transparent 70%),
              radial-gradient(40% 45% at 12% 20%, rgba(255,107,53,.13), transparent 70%),
              radial-gradient(35% 40% at 50% 100%, rgba(79,195,247,.08), transparent 70%); }
.pg-hero-fx { position: absolute; inset: 0; z-index: -1; width: 100%; height: 100%; opacity: .9; pointer-events: none;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 45%); mask-image: linear-gradient(90deg, transparent 0%, #000 45%); }
.pg-hero-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 40px; align-items: center; }
.pg-hero-grid.solo { grid-template-columns: minmax(0, 1fr); max-width: 860px; }
.pg-eyebrow { display: inline-flex; align-items: center; gap: 8px; font: 700 12px/1 Inter, sans-serif; letter-spacing: .12em;
  text-transform: uppercase; color: var(--f); }
.pg-eyebrow .live { width: 8px; height: 8px; border-radius: 50%; background: #ff5a3c; animation: pg-ping 1.8s infinite; }
.pg-eyebrow .ok { width: 8px; height: 8px; border-radius: 50%; background: var(--g); box-shadow: 0 0 10px var(--g); }
.pg-hero h1 { font-size: clamp(34px, 5vw, 58px); line-height: 1.04; letter-spacing: -.025em; margin: 14px 0 16px; font-weight: 800; }
.pg-hero .lead { font-size: 18px; line-height: 1.65; color: #c6d2e2; max-width: 640px; margin: 0; }
.pg-meta { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 20px; font-size: 13px; color: var(--text-muted); }
.pg-meta span, .pg-meta a { padding: 6px 11px; border-radius: 999px; border: 1px solid var(--border); background: rgba(10,22,40,.6); text-decoration: none; color: var(--text-muted); }
.pg-meta b { color: #fff; }
.pg-meta a:hover { border-color: var(--f); color: var(--text); }

/* ── Chiffres ── */
.pg-kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin-top: 26px; }
.pg-kpi { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 14px 16px; }
.pg-kpi .v { font: 800 28px/1 Inter, sans-serif; font-variant-numeric: tabular-nums; }
.pg-kpi .v small { font-size: 14px; color: var(--f); margin-left: 3px; }
.pg-kpi .l { font-size: 12.5px; color: var(--text-muted); margin-top: 6px; line-height: 1.35; }

/* ── Boutons ── */
.pg-btn { display: inline-flex; align-items: center; gap: 9px; padding: 12px 18px; border-radius: 12px; font: 700 14.5px/1 Inter, sans-serif;
  text-decoration: none; border: 0; cursor: pointer; transition: transform .18s, box-shadow .18s, border-color .18s; white-space: nowrap; }
.pg-btn:hover { transform: translateY(-2px); }
.pg-btn-fire { color: #fff; background: linear-gradient(120deg, #ff5a3c, var(--f)); box-shadow: 0 10px 30px rgba(242,76,192,.28); }
.pg-btn-fire:hover { color: #fff; box-shadow: 0 14px 40px rgba(242,76,192,.42); }
.pg-btn-ghost { color: var(--text); border: 1px solid var(--border-strong); background: rgba(255,255,255,.03); }
.pg-btn-ghost:hover { color: #fff; border-color: var(--f); }
.pg-btn:disabled { opacity: .6; cursor: default; transform: none; }
.pg-ctas { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }

/* ── Mise en page avec sommaire ── */
.pg-body { padding-top: 26px; padding-bottom: 70px; } /* pas de raccourci : ne pas écraser le padding horizontal de .container */
.pg-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 44px; align-items: start; }
.pg-toc { position: sticky; top: calc(var(--top) + 24px); max-height: calc(100vh - var(--top) - 48px); overflow-y: auto; font-size: 13.5px; scrollbar-width: thin; }
.pg-toc b { display: block; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 10px; }
.pg-toc a { display: block; padding: 6px 10px; border-left: 2px solid var(--border); color: var(--text-muted); text-decoration: none; transition: all .2s; }
.pg-toc a:hover { color: var(--text); }
.pg-toc a.on { color: #fff; border-left-color: var(--f); background: rgba(242,76,192,.07); }
.pg-sec { padding: 22px 0 36px; scroll-margin-top: calc(var(--top) + 20px); }
.pg-sec + .pg-sec { border-top: 1px solid rgba(255,255,255,.05); }
.pg-kick { font: 700 12px Inter, sans-serif; letter-spacing: .12em; text-transform: uppercase; color: var(--f); }
.pg-sec h2 { font-size: clamp(24px, 3vw, 34px); line-height: 1.15; letter-spacing: -.015em; margin: 6px 0 12px; }
.pg-sec h3 { font-size: 18px; margin: 24px 0 8px; }
.pg-sec p, .pg-sec li { color: var(--text-muted); line-height: 1.72; font-size: 16px; }
.pg-sec p strong, .pg-sec li strong, .pg-sec td strong { color: var(--text); }
.pg-sec a { color: var(--accent); }
.pg-sec ul, .pg-sec ol { padding-left: 20px; }
.pg-head { max-width: 760px; margin-bottom: 26px; }
.pg-head h2 { font-size: clamp(28px, 3.8vw, 44px); line-height: 1.08; letter-spacing: -.02em; margin: 12px 0 12px; }
.pg-head p { color: var(--text-muted); font-size: 17px; line-height: 1.65; margin: 0; }

/* ── Cartes ── */
.pg-card { --c2: var(--f); --mx: 50%; --my: 0%; position: relative; background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  padding: 20px 22px; overflow: hidden; isolation: isolate; transition: transform .25s, border-color .25s; }
.pg-card[data-spot]::before { content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity .3s;
  background: radial-gradient(260px circle at var(--mx) var(--my), color-mix(in srgb, var(--c2) 18%, transparent), transparent 60%); }
.pg-card[data-spot]:hover { border-color: color-mix(in srgb, var(--c2) 45%, transparent); }
.pg-card[data-spot]:hover::before { opacity: 1; }
a.pg-card { display: block; color: var(--text); text-decoration: none; }
a.pg-card:hover { transform: translateY(-3px); color: var(--text); }
.pg-card h3 { margin: 0 0 8px; font-size: 17px; }
.pg-card p { margin: 0; font-size: 14.5px; line-height: 1.6; color: var(--text-muted); }
.pg-card .ic { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 14px; color: var(--c2);
  background: color-mix(in srgb, var(--c2) 12%, transparent); border: 1px solid color-mix(in srgb, var(--c2) 28%, transparent); }
.pg-card.glow { border: 1px solid transparent;
  background: linear-gradient(#0f1c33, #0f1c33) padding-box, conic-gradient(from var(--pg-a, 0deg), var(--e), var(--f), var(--v), var(--c), var(--e)) border-box;
  animation: pg-spin 7s linear infinite; box-shadow: 0 20px 60px rgba(242,76,192,.14); }
.pg-grid2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 18px; }
.pg-grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 18px; }
.pg-grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 18px; }

/* ── Encadrés ── */
.pg-note { margin: 16px 0; padding: 14px 16px; border-left: 3px solid var(--a); background: rgba(255,167,38,.07); border-radius: 0 12px 12px 0;
  color: var(--text-muted); font-size: 15px; line-height: 1.6; }
.pg-note.info { border-left-color: var(--c); background: rgba(79,195,247,.07); }
.pg-note.ok { border-left-color: var(--g); background: rgba(52,211,153,.07); }
.pg-note b, .pg-note strong { color: var(--text); }
.pg-tldr { margin: 0 0 26px; padding: 18px 20px; border-radius: 16px; border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(255,107,53,.07), rgba(242,76,192,.07)); }
.pg-tldr b.t { display: block; font: 700 12px Inter, sans-serif; letter-spacing: .12em; text-transform: uppercase; color: var(--f); margin-bottom: 8px; }
.pg-tldr ul { margin: 0; padding-left: 18px; }
.pg-tldr li { color: var(--text); font-size: 15.5px; line-height: 1.6; }

/* ── Code ── */
.pg-code { position: relative; margin: 14px 0; border-radius: 12px; border: 1px solid #1f2d45; background: #0a0e14; overflow: hidden; }
.pg-code .bar { display: flex; justify-content: space-between; align-items: center; padding: 8px 12px; border-bottom: 1px solid #1f2d45;
  font: 600 11.5px 'JetBrains Mono', ui-monospace, monospace; color: var(--text-muted); }
.pg-code .bar i { width: 8px; height: 8px; border-radius: 50%; background: #3a4a63; display: inline-block; margin-right: 5px; }
.pg-code pre { margin: 0; padding: 14px 16px; overflow-x: auto; font: 13px/1.65 'JetBrains Mono', ui-monospace, monospace; color: #e6edf6; }
.pg-copy { font: 600 11.5px Inter, sans-serif; color: var(--text-muted); background: rgba(255,255,255,.05); border: 1px solid var(--border); border-radius: 7px;
  padding: 4px 9px; cursor: pointer; }
.pg-copy:hover, .pg-copy.done { color: #fff; border-color: var(--f); }
.pg-code .k { color: #f24cc0; } .pg-code .s { color: #9ee6a6; } .pg-code .n { color: #ffc27a; } .pg-code .c { color: #6f809b; }

/* ── Tableaux ── */
.pg-table { width: 100%; border-collapse: separate; border-spacing: 0; margin: 14px 0; font-size: 14.5px; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.pg-table th { text-align: left; font: 700 11.5px Inter, sans-serif; letter-spacing: .06em; text-transform: uppercase; color: var(--text-dim);
  background: rgba(255,255,255,.03); padding: 10px 12px; }
.pg-table td { padding: 10px 12px; border-top: 1px solid var(--border); color: var(--text-muted); vertical-align: top; line-height: 1.5; }
.pg-table tr:hover td { background: rgba(255,255,255,.015); }
.pg-scroll { overflow-x: auto; }

/* ── Étapes ── */
.pg-steps { list-style: none; counter-reset: s; padding: 0 !important; margin: 18px 0; display: grid; gap: 12px; }
.pg-steps > li { counter-increment: s; position: relative; padding: 16px 18px 16px 62px; border-radius: 14px; background: var(--card); border: 1px solid var(--border); }
.pg-steps > li::before { content: counter(s, decimal-leading-zero); position: absolute; left: 16px; top: 15px; font: 800 15px 'JetBrains Mono', monospace; color: var(--f); }

/* ── Questions ── */
.pg-faq { display: grid; gap: 10px; }
.pg-faq details { border-radius: 14px; border: 1px solid var(--border); background: var(--card); }
.pg-faq details[open] { border-color: var(--line); }
.pg-faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 16px; align-items: center; padding: 15px 18px; font: 600 16px Inter, sans-serif; }
.pg-faq summary::-webkit-details-marker { display: none; }
.pg-faq summary::after { content: "+"; color: var(--f); font-size: 20px; transition: transform .25s; }
.pg-faq details[open] summary::after { transform: rotate(45deg); }
.pg-faq .a { padding: 0 18px 16px; color: var(--text-muted); line-height: 1.7; }

/* ── Chips / formulaires ── */
.pg-chip { display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border-radius: 999px; font: 600 12px Inter, sans-serif;
  border: 1px solid var(--border); color: var(--text-muted); background: rgba(255,255,255,.02); }
.pg-chip.ok { color: #7ff0c4; border-color: rgba(52,211,153,.35); background: rgba(52,211,153,.08); }
.pg-chip.warn { color: #ffd39a; border-color: rgba(255,167,38,.35); background: rgba(255,167,38,.08); }
.pg-chip.ko { color: #ffb4a8; border-color: rgba(255,90,60,.4); background: rgba(255,90,60,.08); }
.pg-form { display: grid; gap: 14px; }
.pg-field label { display: block; font: 600 13px Inter, sans-serif; color: var(--text); margin-bottom: 6px; }
.pg-field input, .pg-field select, .pg-field textarea { width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--border-strong);
  background: #0a1322; color: var(--text); font: 15px Inter, sans-serif; transition: border-color .2s, box-shadow .2s; }
.pg-field textarea { min-height: 150px; resize: vertical; line-height: 1.55; }
.pg-field input:focus, .pg-field select:focus, .pg-field textarea:focus { outline: none; border-color: var(--f); box-shadow: 0 0 0 3px rgba(242,76,192,.18); }
.pg-field .hint { font-size: 12.5px; color: var(--text-dim); margin-top: 5px; }

/* ── Bandeau final ── */
.pg-cta { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 30px; padding: 24px 28px; border-radius: 18px;
  background: linear-gradient(120deg, rgba(255,107,53,.12), rgba(242,76,192,.12)); border: 1px solid var(--line); }
.pg-cta p { margin: 0; color: var(--text-muted); max-width: 640px; }
.pg-cta b { color: var(--text); }

/* ── Barre de lecture ── */
.pg-progress { position: fixed; left: 0; top: 0; height: 3px; width: 100%; z-index: 200; transform-origin: 0 50%; transform: scaleX(var(--p, 0));
  background: linear-gradient(90deg, var(--e), var(--f), var(--v)); pointer-events: none; }

/* ── Apparition ── */
.pg.js .pg-rv { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.8,.2,1); }
.pg.js .pg-rv.in { opacity: 1; transform: none; }

/* ── Responsive ── */
@media (max-width: 1000px) {
  .pg-hero-grid { grid-template-columns: 1fr; }
  .pg-layout { grid-template-columns: 1fr; gap: 0; }
  .pg-toc { display: none; }
  .pg-grid3, .pg-grid4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .pg-hero { padding-top: 44px; }
  .pg-grid2, .pg-grid3, .pg-grid4 { grid-template-columns: 1fr; }
  .pg-cta { flex-direction: column; align-items: flex-start; }
  .pg-hero-fx { -webkit-mask-image: linear-gradient(180deg, transparent, #000 60%); mask-image: linear-gradient(180deg, transparent, #000 60%); opacity: .5; }
}
@media (prefers-reduced-motion: reduce) {
  .pg *, .pg *::before, .pg *::after { animation: none !important; }
  .pg.js .pg-rv { opacity: 1; transform: none; transition: none; }
}