/* ============================================================
   CAPSTONE ÉNERGIE — Couche accueil
   S'appuie sur styles.css (tokens, composants partagés).
   Sections spécifiques : hero navy, note de calcul, bande
   chiffres, décomposition de facture, index des services,
   méthode, mosaïque secteurs, preuves, réseau, lettre.
   ============================================================ */

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: var(--ink-deep); color: var(--paper);
  padding-block: clamp(4rem, 8vw, 7rem) clamp(4rem, 7vw, 6rem);
}
.hero-inner {
  position: relative;
  display: grid; grid-template-columns: 7fr 5fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: center;
}
.hero-kicker {
  font-family: var(--font-mono); font-size: 0.78rem; font-weight: 500;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--gold-engr);
  display: flex; align-items: center; gap: 0.8rem; margin-bottom: 1.6rem;
}
.hero-kicker::before { content: ""; width: 2.2rem; border-top: 1px solid var(--gold-engr); }
.hero h1 {
  font-size: var(--fs-hero); color: var(--paper);
  margin-bottom: 0.5em; line-height: 1.06;
}
.hero h1 em { color: var(--gold-engr); font-style: normal; }
.hero .lead { color: var(--slate-soft); max-width: 52ch; line-height: 1.7; }

/* Points de preuve : ligne ruled mono, pas de bullets */
.hero-points {
  list-style: none; padding: 1.1rem 0; margin: 1.8rem 0 0;
  border-block: 1px solid var(--line-dark);
  display: flex; flex-wrap: wrap; gap: 0.5rem 2.2rem;
}
.hero-points li {
  display: flex; align-items: baseline; gap: 0.55rem; margin: 0;
  font-size: 0.92rem; color: var(--slate-soft);
}
.hero-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 0.9rem; margin-top: 1.9rem; }
.hero-proof {
  margin-top: 2.2rem;
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.06em;
  color: var(--slate);
}
.hero-proof strong { color: var(--slate-soft); font-weight: 500; }

/* ---------- Note de calcul (simulateur) ---------- */
.sim-panel {
  position: relative;
  background: var(--paper); color: var(--ink);
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  padding: clamp(1.5rem, 2.5vw, 2.1rem);
  box-shadow: 0 40px 90px -40px oklch(10% 0.03 263 / 0.8);
}
.sim-head {
  display: flex; justify-content: space-between; align-items: baseline;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 0.9rem; margin-bottom: 1.3rem;
}
.sim-title { font-family: var(--font-display); font-size: 1.3rem; display: block; }
.sim-sub { font-size: 0.8rem; color: var(--ink-soft); }
.sim-ref { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; color: var(--gold-deep); white-space: nowrap; }
.sim-label { display: block; font-family: var(--font-mono); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 0.6rem; }
.sim-row { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.2rem; }
.sim-row input[type="range"] { flex: 1; }
.sim-value {
  font-family: var(--font-mono); font-weight: 600; font-size: 1.02rem;
  white-space: nowrap; min-width: 7.5ch; text-align: right;
}
.sim-results { border-top: 1px solid var(--line); margin-bottom: 1.2rem; }
.sim-result {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 0.65rem 0; border-bottom: 1px solid var(--line);
}
.sim-result-label { font-size: 0.9rem; color: var(--ink-soft); }
.sim-result-value { font-family: var(--font-mono); font-weight: 600; font-size: 1.15rem; }
.sim-result-value.teal { color: var(--gold-deep); }
.sim-bars { display: flex; flex-direction: column; gap: 0.45rem; margin-bottom: 1.3rem; }
.sim-bar-row { display: grid; grid-template-columns: 5.5ch 1fr; align-items: center; gap: 0.7rem; }
.sim-bar-row > span { font-family: var(--font-mono); font-size: 0.7rem; color: var(--slate); }
.sim-bar { height: 14px; border-radius: 1px; background: var(--ink); transition: width 700ms var(--ease-out); }
.sim-bar.after { background: var(--gold); }
.sim-cta { width: 100%; }
.sim-foot { margin-top: 0.9rem; margin-bottom: 0; }

@media (max-width: 1020px) {
  .hero-inner { grid-template-columns: 1fr; }
  .sim-panel { max-width: 560px; }
}

/* ---------- Bande chiffres ---------- */
.stats {
  background: var(--ink); color: var(--paper);
  border-top: 1px solid var(--line-dark);
}
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.stat-card {
  padding: clamp(1.6rem, 3vw, 2.4rem) clamp(1rem, 2vw, 1.8rem);
  border-left: 1px solid var(--line-dark);
  display: flex; flex-direction: column; gap: 0.3rem;
}
.stat-card:first-child { border-left: 0; }
.stat-card strong {
  font-family: var(--font-mono); font-weight: 600;
  font-size: clamp(1.7rem, 3.4vw, 2.6rem); letter-spacing: -0.03em;
  color: var(--gold-engr);
}
.stat-card span { font-size: 0.88rem; color: var(--slate-soft); }
@media (max-width: 860px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-card:nth-child(3) { border-left: 0; }
  .stat-card { border-top: 1px solid var(--line-dark); }
  .stat-card:nth-child(-n+2) { border-top: 0; }
}

/* ---------- Décomposition de facture ---------- */
.facture-grid {
  display: grid; grid-template-columns: 5fr 7fr;
  gap: clamp(2.5rem, 5vw, 5rem); align-items: center;
}
.facture-viz { border: 1px solid var(--line-strong); border-radius: var(--radius); padding: clamp(1.4rem, 3vw, 2.2rem); background: var(--paper); }
.facture-viz-title {
  display: flex; justify-content: space-between; align-items: baseline;
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--ink-soft);
  border-bottom: 1px solid var(--line); padding-bottom: 0.8rem; margin-bottom: 1.4rem;
}
.facture-rows { display: flex; flex-direction: column; gap: 1.1rem; }
.facture-row { display: grid; grid-template-columns: 1fr; gap: 0.35rem; }
.facture-row-head { display: flex; justify-content: space-between; align-items: baseline; }
.facture-row-head strong { font-size: 0.95rem; font-weight: 600; }
.facture-row-head span { font-family: var(--font-mono); font-size: 0.85rem; color: var(--gold-deep); font-weight: 600; }
.facture-bar { height: 16px; background: var(--paper-2); border-radius: 1px; overflow: hidden; }
.facture-bar i {
  display: block; height: 100%; border-radius: 1px;
  background: var(--ink);
  transform-origin: left; transform: scaleX(0);
  transition: transform 900ms var(--ease-out);
}
.facture-row.negociable .facture-bar i { background: var(--gold); }
.in .facture-bar i, html:not(.js) .facture-bar i { transform: scaleX(1); }
.facture-row p { font-size: 0.85rem; color: var(--ink-soft); margin: 0; }
.facture-note {
  margin-top: 1.4rem; padding-top: 1rem; border-top: 1px solid var(--line);
  font-size: 0.85rem; color: var(--ink-soft);
}
.facture-note strong { color: var(--gold-deep); }
@media (max-width: 900px) { .facture-grid { grid-template-columns: 1fr; } }

/* ---------- Index des services (dossier) ---------- */
.svc-layout { display: grid; grid-template-columns: 4fr 8fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.svc-intro { position: sticky; top: 110px; }
.svc-intro .section-head { margin-bottom: 1.6rem; }
.svc-index { border-top: 1px solid var(--line-strong); }
.svc-row {
  display: grid; grid-template-columns: 4.5ch 1fr auto; gap: clamp(1rem, 2.5vw, 2rem);
  align-items: baseline;
  padding: 1.25rem 0.4rem;
  border-bottom: 1px solid var(--line);
  text-decoration: none; color: var(--ink);
  transition: background var(--t-fast), padding var(--t-fast);
}
.svc-row:hover { background: var(--paper-2); padding-left: 0.9rem; color: var(--ink); }
.svc-num { font-family: var(--font-mono); font-size: 0.8rem; color: var(--slate); }
.svc-row:hover .svc-num { color: var(--gold-deep); }
.svc-body h3 { margin-bottom: 0.25em; font-size: 1.12rem; }
.svc-body p { font-size: 0.92rem; color: var(--ink-soft); margin: 0; max-width: 56ch; }
.svc-arrow { font-size: 1.1rem; color: var(--slate); transition: color var(--t-fast), transform var(--t-fast); }
.svc-row:hover .svc-arrow { color: var(--gold-deep); transform: translateX(4px); }
@media (max-width: 900px) {
  .svc-layout { grid-template-columns: 1fr; }
  .svc-intro { position: static; }
}

/* ---------- Méthode : étapes ruled ---------- */
.method-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(1.5rem, 3vw, 2.5rem); counter-reset: step; }
.method-step { border-top: 2px solid var(--ink); padding-top: 1.1rem; position: relative; }
.method-step::before {
  counter-increment: step;
  content: "Étape " counter(step, decimal-leading-zero);
  display: block;
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold-deep);
  margin-bottom: 0.7rem;
}
.method-step h3 { font-size: 1.1rem; margin-bottom: 0.4em; }
.method-step p { font-size: 0.92rem; color: var(--ink-soft); margin-bottom: 0.6em; }
.method-step .method-delai { font-family: var(--font-mono); font-size: 0.75rem; color: var(--slate); }
@media (max-width: 980px) { .method-steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .method-steps { grid-template-columns: 1fr; } }

/* ---------- Mosaïque secteurs ---------- */
.sectors-mosaic {
  display: grid; grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 130px;
  gap: clamp(0.8rem, 1.6vw, 1.2rem);
}
.sector-tile {
  position: relative; overflow: hidden; border-radius: var(--radius);
  text-decoration: none; display: block;
  grid-column: span 4; grid-row: span 2;
  border: 1px solid var(--line);
}
.sector-tile:nth-child(1) { grid-column: span 5; grid-row: span 3; }
.sector-tile:nth-child(2) { grid-column: span 7; grid-row: span 2; }
.sector-tile:nth-child(3) { grid-column: span 3; }
.sector-tile:nth-child(4) { grid-column: span 4; }
.sector-tile:nth-child(5) { grid-column: span 7; grid-row: span 2; }
.sector-tile:nth-child(6) { grid-column: span 5; grid-row: span 2; }
.sector-tile img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  filter: saturate(0.82);
  transition: transform 700ms var(--ease-out), filter 700ms var(--ease-out);
}
.sector-tile:hover img { transform: scale(1.04); filter: saturate(1); }
.sector-tile::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, oklch(20% 0.038 263 / 0.85) 0%, transparent 45%);
}
.sector-tile-label {
  position: absolute; left: 1.1rem; right: 1.1rem; bottom: 0.95rem; z-index: 2;
  display: flex; justify-content: space-between; align-items: baseline; gap: 0.6rem;
}
.sector-tile-label strong { color: var(--paper); font-size: 1.06rem; font-weight: 600; letter-spacing: -0.01em; }
.sector-tile-label span { font-family: var(--font-mono); font-size: 0.72rem; color: var(--gold-engr); letter-spacing: 0.06em; white-space: nowrap; }
@media (max-width: 860px) {
  .sectors-mosaic { grid-auto-rows: 110px; }
  .sector-tile, .sectors-mosaic .sector-tile:nth-child(n) { grid-column: span 6; grid-row: span 2; }
  .sectors-mosaic .sector-tile:nth-child(1) { grid-column: span 12; }
}
@media (max-width: 560px) {
  .sectors-mosaic .sector-tile:nth-child(n) { grid-column: span 12; grid-row: span 2; }
}

/* ---------- Preuves : citation + témoignages ---------- */
.proof-layout { display: grid; grid-template-columns: 7fr 5fr; gap: clamp(2rem, 4.5vw, 4rem); align-items: start; }
.testi-stack { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--line-strong); }
.testi-card { padding: 1.4rem 0.2rem; border-bottom: 1px solid var(--line); }
.testi-card blockquote { margin: 0 0 1rem; font-size: 0.98rem; line-height: 1.6; color: color-mix(in oklch, var(--ink) 88%, var(--ink-soft)); }
@media (max-width: 900px) { .proof-layout { grid-template-columns: 1fr; } }

/* ---------- Réseau fournisseurs ---------- */
.trust-title { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--slate); margin-bottom: 1.2rem; }
.marquee { overflow: hidden; position: relative; border-block: 1px solid var(--line); padding-block: 1.1rem; }
.marquee::before, .marquee::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 80px; z-index: 2; pointer-events: none;
}
.marquee::before { left: 0; background: linear-gradient(to right, var(--paper), transparent); }
.marquee::after { right: 0; background: linear-gradient(to left, var(--paper), transparent); }
.section-band .marquee::before { background: linear-gradient(to right, var(--paper-2), transparent); }
.section-band .marquee::after { background: linear-gradient(to left, var(--paper-2), transparent); }
.marquee-track {
  display: inline-flex; gap: 3rem; white-space: nowrap;
  animation: marquee 38s linear infinite;
  font-family: var(--font-mono); font-size: 0.88rem; letter-spacing: 0.08em;
  color: var(--ink-soft); text-transform: uppercase;
}
.marquee-track span { display: inline-flex; align-items: center; gap: 3rem; }
.marquee-track span::after { content: "·"; color: var(--gold-deep); }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}

/* ---------- Lettre énergie ---------- */
.newsletter { border-top: 1px solid var(--line); padding-block: clamp(2.8rem, 5vw, 4rem); }
.newsletter-inner {
  display: grid; grid-template-columns: 7fr 5fr; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center;
}
.newsletter h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-bottom: 0.3em; }
.newsletter p { color: var(--ink-soft); font-size: 0.95rem; margin: 0; }
.newsletter-form { display: flex; gap: 0.6rem; }
.newsletter-form input { flex: 1; }
@media (max-width: 860px) { .newsletter-inner { grid-template-columns: 1fr; } }

/* ============ Fil d'Ariane + signature éditoriale (planche) ============ */
.crumb-wrap{padding-top:1.5rem;padding-bottom:.25rem}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;margin:0;padding:0;
  font-family:var(--font-mono);font-size:.74rem;letter-spacing:.02em;text-transform:uppercase;color:var(--slate)}
.crumbs li{display:flex;align-items:center;gap:.5rem}
.crumbs li+li::before{content:"›";color:var(--gold-deep);margin-right:.25rem}
.crumbs a{color:var(--ink-soft);text-decoration:none;transition:color .2s}
.crumbs a:hover{color:var(--gold-deep)}
.crumbs li[aria-current="page"]{color:var(--ink);max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-byline{display:flex;flex-wrap:wrap;gap:.4rem 1.1rem;margin:.85rem 0 0;padding:.7rem 0 0;
  border-top:1px solid var(--line);font-family:var(--font-mono);font-size:.76rem;color:var(--slate)}
.article-byline span{position:relative}
.article-byline strong{color:var(--ink-soft);font-weight:600}
@media(max-width:640px){.crumbs li[aria-current="page"]{max-width:22ch}}

/* ============ Bloc auteur + sources (E-E-A-T, planche) ============ */
.author-block{display:grid;grid-template-columns:1.6fr 1fr;gap:2rem;margin:3.5rem auto 1rem;
  padding-top:2.2rem;border-top:1px solid var(--line)}
.author-card{display:flex;gap:1.25rem;align-items:flex-start}
.author-mark{flex:0 0 auto;width:58px;height:58px;display:grid;place-items:center;
  font-family:var(--font-display);font-size:1.25rem;letter-spacing:.04em;color:var(--paper);
  background:var(--ink);border:1px solid var(--gold-deep);border-radius:2px}
.author-kicker,.sources-kicker{display:block;font-family:var(--font-mono);font-size:.7rem;
  text-transform:uppercase;letter-spacing:.12em;color:var(--gold-deep);margin-bottom:.4rem}
.author-body h2{font-family:var(--font-display);font-weight:400;font-size:1.4rem;margin:0 0 .5rem;color:var(--ink)}
.author-body p{font-size:.95rem;line-height:1.7;color:var(--ink-soft);margin:0 0 .75rem;max-width:60ch}
.author-link{font-family:var(--font-mono);font-size:.8rem;color:var(--gold-deep);text-decoration:none;
  border-bottom:1px solid var(--line);transition:border-color .2s}
.author-link:hover{border-color:var(--gold-deep)}
.sources-block{padding-left:1.6rem;border-left:1px solid var(--line)}
.sources-block ul{list-style:none;margin:0;padding:0}
.sources-block li{padding:.32rem 0;border-bottom:1px solid var(--line)}
.sources-block li:last-child{border-bottom:0}
.sources-block a{font-size:.84rem;color:var(--ink-soft);text-decoration:none;transition:color .2s}
.sources-block a:hover{color:var(--gold-deep)}
@media(max-width:820px){.author-block{grid-template-columns:1fr;gap:1.6rem}
  .sources-block{padding-left:0;border-left:0;border-top:1px solid var(--line);padding-top:1.2rem}}

/* ============ À propos — méthodologie & note légale ============ */
.method-list{list-style:none;margin:1.2rem 0 0;padding:0;display:grid;gap:.55rem}
.method-list li{position:relative;padding-left:1.4rem;font-size:.95rem;color:var(--ink-soft);line-height:1.6}
.method-list li::before{content:"";position:absolute;left:0;top:.62em;width:.5rem;height:.5rem;
  border:1px solid var(--gold-deep);transform:rotate(45deg)}
.method-list strong{color:var(--ink);font-weight:600}
.legal-note{margin-top:1.6rem;font-size:.82rem;color:var(--slate);font-family:var(--font-mono)}
.legal-note a{color:var(--gold-deep);text-decoration:none;border-bottom:1px solid var(--line)}