:root {
  --lpa-ink: #07111f;
  --lpa-ink-2: #111d32;
  --lpa-blue: #1238ff;
  --lpa-blue-dark: #0b1e91;
  --lpa-gold: #f4b860;
  --lpa-green: #16a34a;
  --lpa-bg: #f7f3ec;
  --lpa-soft: #eef2ff;
  --lpa-muted: #5d6b82;
  --lpa-line: #e5eaf1;
  --lpa-white: #ffffff;
  --lpa-radius: 28px;
  --lpa-radius-sm: 18px;
  --lpa-container: 1180px;
  --lpa-shadow-sm: 0 16px 45px rgba(7, 17, 31, .08);
  --lpa-shadow-md: 0 26px 80px rgba(7, 17, 31, .14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--lpa-ink);
  background:
    radial-gradient(circle at 8% 4%, rgba(18, 56, 255, .08), transparent 30%),
    radial-gradient(circle at 90% 12%, rgba(244, 184, 96, .18), transparent 30%),
    var(--lpa-bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--lpa-blue); }
button, input, textarea { font: inherit; }
:focus-visible { outline: 3px solid rgba(18, 56, 255, .35); outline-offset: 3px; }

.container { width: min(100% - 44px, var(--lpa-container)); margin-inline: auto; }
.container.narrow { width: min(100% - 44px, 860px); }
.skip-link { position: absolute; left: 18px; top: 12px; z-index: 999; transform: translateY(-140%); padding: 10px 14px; border-radius: 12px; background: var(--lpa-ink); color: #fff; }
.skip-link:focus { transform: translateY(0); }

h1, h2, h3, p { margin: 0; }
h1 { max-width: 1050px; font-size: clamp(42px, 7vw, 82px); line-height: .96; letter-spacing: -.06em; }
h2 { font-size: clamp(31px, 4.6vw, 56px); line-height: 1.02; letter-spacing: -.045em; }
h3 { font-size: 22px; line-height: 1.15; letter-spacing: -.02em; }
.lead { max-width: 780px; color: #38475e; font-size: clamp(18px, 2vw, 22px); line-height: 1.62; }
.section-lead { max-width: 760px; color: var(--lpa-muted); font-size: 18px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 14px; color: var(--lpa-blue); font-size: 13px; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 12px 18px; border: 1px solid transparent; border-radius: 999px; font-weight: 900; line-height: 1.1; transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease; }
.btn:hover { transform: translateY(-1px); }
.btn-lg { min-height: 54px; padding: 15px 24px; }
.btn-primary { background: var(--lpa-blue); color: #fff; box-shadow: 0 18px 34px rgba(18, 56, 255, .24); }
.btn-primary:hover { background: var(--lpa-blue-dark); color: #fff; }
.btn-outline { background: rgba(255, 255, 255, .78); border-color: rgba(18, 56, 255, .18); color: var(--lpa-ink); }
.btn-outline:hover { border-color: rgba(18, 56, 255, .34); color: var(--lpa-blue); }
.btn-light { background: #fff; color: var(--lpa-ink); }

.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgba(229, 234, 241, .86); background: rgba(247, 243, 236, .88); backdrop-filter: blur(18px); }
.header-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand-text, .footer-logo { display: inline-flex; align-items: center; gap: 12px; font-weight: 950; }
.brand-mark { display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 14px; background: var(--lpa-blue); color: #fff; font-weight: 950; letter-spacing: -.06em; }
.brand-name { max-width: 230px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.custom-logo { max-height: 58px; width: auto; }
.menu, .menu-mobile { list-style: none; margin: 0; padding: 0; }
.menu { display: flex; align-items: center; gap: 4px; }
.menu a { display: inline-flex; padding: 10px 12px; border-radius: 999px; color: var(--lpa-muted); font-size: 14px; font-weight: 850; }
.menu a:hover { background: #fff; color: var(--lpa-blue); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.burger { display: none; width: 46px; height: 46px; border: 1px solid var(--lpa-line); border-radius: 15px; background: #fff; }
.burger span { display: block; width: 20px; height: 2px; margin: 5px auto; border-radius: 2px; background: var(--lpa-ink); }
.nav-mobile { border-top: 1px solid var(--lpa-line); background: rgba(255,255,255,.96); }
.nav-mobile-inner { display: grid; gap: 14px; padding-block: 16px 20px; }
.menu-mobile { display: grid; gap: 4px; }
.menu-mobile a { display: flex; align-items: center; min-height: 48px; padding: 12px 14px; border-radius: 16px; background: #f8fafc; color: var(--lpa-ink); font-weight: 900; }

.section { padding: clamp(68px, 8vw, 110px) 0; }
.section-heading { margin-bottom: 34px; }
.section-heading.centered { text-align: center; display: grid; justify-items: center; }
.section-heading.split { display: grid; grid-template-columns: 1.06fr .94fr; gap: 40px; align-items: end; }

.hero { position: relative; padding: clamp(76px, 10vw, 140px) 0 34px; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 14px 14px auto 14px; height: min(72vw, 620px); border-radius: 42px; background: linear-gradient(135deg, rgba(255,255,255,.92), rgba(255,255,255,.52)); border: 1px solid rgba(255,255,255,.88); box-shadow: var(--lpa-shadow-sm); z-index: -1; }
.hero-inner { display: grid; justify-items: center; text-align: center; }
.hero-copy.wide { display: grid; justify-items: center; gap: 22px; }
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 8px; }
.trust-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin: 8px 0 0; padding: 0; list-style: none; }
.trust-list li { display: inline-flex; align-items: center; gap: 8px; padding: 9px 12px; border-radius: 999px; background: #fff; border: 1px solid var(--lpa-line); color: var(--lpa-muted); font-size: 13px; font-weight: 850; box-shadow: var(--lpa-shadow-sm); }
.trust-list li::before { content: "✓"; display: grid; place-items: center; width: 20px; height: 20px; border-radius: 999px; background: rgba(22,163,74,.12); color: var(--lpa-green); font-size: 12px; font-weight: 950; }
.hero-strip { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 44px; }
.hero-strip span { padding: 10px 14px; border-radius: 999px; background: #fff; border: 1px solid var(--lpa-line); color: var(--lpa-muted); font-size: 13px; font-weight: 850; box-shadow: var(--lpa-shadow-sm); }

.card-grid { display: grid; gap: 20px; }
.card-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.info-card, .pillar-card, .price-card, .process-step, .post-card, .offer-card, .empty-state, .contact-form-card, .contact-proof, .external-project-box { background: rgba(255,255,255,.84); border: 1px solid rgba(229,234,241,.96); border-radius: var(--lpa-radius); box-shadow: var(--lpa-shadow-sm); }
.info-card, .pillar-card, .price-card, .process-step, .post-card, .offer-card, .empty-state, .contact-form-card, .contact-proof, .external-project-box { padding: clamp(22px, 3vw, 30px); }
.info-card h3, .pillar-card h3, .price-card h3, .process-step h3 { margin-bottom: 12px; }
.info-card p, .pillar-card p, .price-card p, .process-step p, .post-card p, .offer-card p, .project-excerpt { color: var(--lpa-muted); }
.icon-pill { display: grid; place-items: center; width: 58px; height: 58px; margin-bottom: 18px; border-radius: 20px; background: linear-gradient(135deg, rgba(18,56,255,.10), rgba(244,184,96,.18)); color: var(--lpa-blue); border: 1px solid rgba(18,56,255,.10); }
.lpa-ico { width: 30px; height: 30px; display: block; fill: currentColor; }
.pillars { background: linear-gradient(180deg, rgba(255,255,255,.42), rgba(245,240,232,.72)); }
.step-n, .process-step span { display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 14px; background: var(--lpa-ink); color: #fff; font-weight: 950; margin-bottom: 20px; }
.featured-soft { background: linear-gradient(180deg, #fff, rgba(18,56,255,.06)); border-color: rgba(18,56,255,.18); }
.mini-list { display: grid; gap: 10px; margin: 18px 0 0; padding: 0; list-style: none; }
.mini-list li { display: flex; gap: 10px; color: var(--lpa-muted); }
.mini-list li::before { content: ""; flex: 0 0 7px; width: 7px; height: 7px; margin-top: 10px; border-radius: 50%; background: var(--lpa-blue); }
.check-list li::before { content: "✓"; display: grid; place-items: center; flex: 0 0 22px; width: 22px; height: 22px; margin-top: 2px; background: rgba(22,163,74,.12); color: var(--lpa-green); font-size: 12px; font-weight: 950; }

.systems { background: var(--lpa-ink); color: #fff; }
.systems h2, .systems h3 { color: #fff; }
.systems .eyebrow { color: var(--lpa-gold); }
.systems p, .systems .mini-list li { color: #c8d2df; }
.systems-inner { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 30px; align-items: start; }
.systems-copy > p:not(.eyebrow) { margin-top: 18px; max-width: 760px; font-size: 18px; }
.offer-card { position: sticky; top: 102px; background: #fff; color: var(--lpa-ink); }
.offer-card h3 { color: var(--lpa-ink); }
.offer-card .btn { margin-top: 24px; width: 100%; }

.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.price-card { position: relative; display: flex; flex-direction: column; align-items: flex-start; }
.price-card .btn { margin-top: auto; }
.price-sub { margin: 12px 0 0; }
.price-card .mini-list { margin-bottom: 24px; }
.price-card.featured { border-color: rgba(18,56,255,.24); box-shadow: 0 28px 80px rgba(18,56,255,.16); transform: translateY(-8px); }
.price-badge { display: inline-flex; margin-bottom: 16px; padding: 8px 12px; border-radius: 999px; background: rgba(244,184,96,.20); color: #7b4b00; font-size: 12px; font-weight: 950; text-transform: uppercase; letter-spacing: .08em; }
.process { background: linear-gradient(180deg, rgba(255,255,255,.42), transparent); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }

.projects .btn { white-space: nowrap; }
.project-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.project-card { overflow: hidden; border-radius: var(--lpa-radius); background: #fff; border: 1px solid var(--lpa-line); box-shadow: var(--lpa-shadow-sm); transition: transform .2s ease, box-shadow .2s ease; }
.project-card:hover { transform: translateY(-4px); box-shadow: var(--lpa-shadow-md); }
.project-thumb { display: block; aspect-ratio: 16/10; background: linear-gradient(135deg, rgba(18,56,255,.10), rgba(244,184,96,.18)); overflow: hidden; }
.project-thumb img { width: 100%; height: 100%; object-fit: cover; }
.project-placeholder { height: 100%; display: grid; place-items: center; }
.project-placeholder span { font-size: 70px; font-weight: 950; color: rgba(18,56,255,.35); }
.project-body { padding: 20px; }
.project-meta { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }
.project-meta h3 { font-size: 21px; }
.project-type { font-size: 14px; margin-top: 6px; color: var(--lpa-muted); }
.project-year { flex: 0 0 auto; padding: 8px 10px; border-radius: 999px; background: var(--lpa-soft); font-size: 12px; font-weight: 950; }
.project-excerpt { margin-top: 14px; }
.project-link { display: inline-flex; margin-top: 16px; color: var(--lpa-blue); font-weight: 900; }
.project-nav-note { margin-top: 14px; color: var(--lpa-muted); }
.empty-state { grid-column: 1 / -1; text-align: center; }

.contact-section { background: linear-gradient(135deg, rgba(18,56,255,.06), rgba(255,255,255,.38)); }
.contact-grid { display: grid; grid-template-columns: .88fr 1.12fr; gap: 28px; align-items: start; }
.contact-copy { position: sticky; top: 102px; }
.contact-proof { margin-top: 24px; }
.direct-contact { display: grid; gap: 8px; margin-top: 20px; }
.direct-contact a { color: var(--lpa-blue); font-weight: 900; }
.lpa-contact-form { display: grid; gap: 16px; }
.lpa-contact-form p { margin: 0; }
.lpa-contact-form label { display: block; margin-bottom: 7px; color: var(--lpa-ink); font-size: 14px; font-weight: 900; }
.lpa-contact-form input, .lpa-contact-form textarea { width: 100%; min-height: 48px; border: 1px solid var(--lpa-line); border-radius: 16px; background: #fff; color: var(--lpa-ink); padding: 12px 14px; }
.lpa-contact-form textarea { resize: vertical; min-height: 150px; }
.form-grid.two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-notice { padding: 13px 15px; border-radius: 16px; font-weight: 850; }
.form-notice.success { background: rgba(22,163,74,.10); color: #166534; border: 1px solid rgba(22,163,74,.18); }
.form-notice.error { background: rgba(220,38,38,.10); color: #991b1b; border: 1px solid rgba(220,38,38,.18); }
.form-small { color: var(--lpa-muted); font-size: 13px; }
.hp-field { position: absolute; left: -9999px; opacity: 0; pointer-events: none; }

.page-hero { padding: clamp(56px, 8vw, 112px) 0; background: linear-gradient(180deg, rgba(255,255,255,.54), transparent); }
.page-hero.compact { padding: clamp(48px, 7vw, 88px) 0; }
.content { font-size: 18px; color: #243044; }
.content > * + * { margin-top: 1.15em; }
.content h2, .content h3 { margin-top: 1.7em; }
.content a { color: var(--lpa-blue); font-weight: 850; text-decoration: underline; text-underline-offset: 3px; }
.content ul, .content ol { padding-left: 1.2em; }
.featured-frame { margin-bottom: 28px; border-radius: var(--lpa-radius); overflow: hidden; border: 1px solid var(--lpa-line); box-shadow: var(--lpa-shadow-md); }
.external-project-box { display: flex; align-items: center; justify-content: space-between; gap: 22px; margin-top: 34px; }
.external-project-box p { color: var(--lpa-muted); }
.blog-list { display: grid; gap: 18px; }
.post-card h2 { font-size: clamp(24px, 3vw, 36px); margin-bottom: 12px; }
.post-date { color: var(--lpa-blue); font-size: 13px; font-weight: 950; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 10px; }
.nav-links { display: flex; gap: 12px; justify-content: center; margin-top: 32px; }
.nav-links a, .nav-links span { padding: 10px 14px; border: 1px solid var(--lpa-line); border-radius: 999px; background: #fff; font-weight: 850; }
.nav-links .current { background: var(--lpa-ink); color: #fff; }
.comments-area { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--lpa-line); }

.site-footer { background: var(--lpa-ink); color: #fff; padding: 54px 0 22px; }
.footer-grid { display: grid; grid-template-columns: 1.15fr .75fr .75fr; gap: 34px; }
.footer-logo { color: #fff; }
.footer-brand p { max-width: 460px; margin-top: 16px; color: #c8d2df; }
.footer-zone { font-size: 14px; }
.footer-col h2 { font-size: 14px; text-transform: uppercase; letter-spacing: .12em; color: var(--lpa-gold); margin-bottom: 14px; }
.footer-menu { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer-menu a, .footer-contact a:not(.btn), .footer-bottom a { color: #c8d2df; }
.footer-contact { display: grid; gap: 10px; align-content: start; }
.footer-cta { margin-top: 8px; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-top: 42px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); color: #9daabd; font-size: 14px; }

@media (max-width: 980px) {
  .container, .container.narrow { width: min(100% - 32px, var(--lpa-container)); }
  .nav-desktop, .header-cta { display: none; }
  .burger { display: inline-block; }
  .header-inner { min-height: 70px; }
  .section-heading.split, .systems-inner, .contact-grid { grid-template-columns: 1fr; }
  .contact-copy, .offer-card { position: static; }
  .card-grid.three, .pricing-grid, .project-grid { grid-template-columns: 1fr 1fr; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .price-card.featured { transform: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .container, .container.narrow { width: calc(100% - 28px); }
  h1 { font-size: clamp(36px, 11vw, 48px); }
  h2 { font-size: clamp(28px, 9vw, 38px); }
  .section { padding: 58px 0; }
  .brand-name { max-width: 150px; }
  .hero { padding-top: 54px; }
  .hero::before { inset: 8px; border-radius: 26px; }
  .hero-actions { display: grid; width: 100%; }
  .hero-actions .btn, .lpa-contact-form .btn, .btn.mobile-full { width: 100%; }
  .trust-list { display: grid; width: 100%; }
  .hero-strip { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; scrollbar-width: none; }
  .hero-strip::-webkit-scrollbar { display: none; }
  .card-grid.three, .pricing-grid, .project-grid, .process-grid, .footer-grid, .form-grid.two { grid-template-columns: 1fr; }
  .section-heading.split { gap: 18px; }
  .project-meta, .external-project-box { display: grid; }
  .external-project-box .btn { width: 100%; }
  .footer-bottom { display: grid; }
  .btn { width: 100%; }
  .menu-mobile a { min-height: 50px; }
  .systems { border-radius: 0; }
  .page-hero.compact { padding: 42px 0; }
  .content { font-size: 17px; }
  .nav-links { flex-wrap: wrap; }
  .custom-logo { max-height: 48px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}
.centered-text { text-align: center; }
.centered-actions { justify-content: center; }
.text-link { color: var(--lpa-blue); font-weight: 900; }

/* LPA 2.3.0 — offres administrables, prix optionnels et options sur devis */
.price-card { padding-top: clamp(34px, 3.4vw, 42px); }
.price-card.featured { border-color: rgba(18,56,255,.36); box-shadow: 0 28px 80px rgba(18,56,255,.16), 0 0 0 1px rgba(18,56,255,.10) inset; }
.price-badge { position: absolute; top: -15px; left: 28px; margin: 0; box-shadow: 0 12px 24px rgba(123,75,0,.10); }
.price-meta { width: 100%; margin-top: 18px; padding: 16px; border-radius: 18px; background: linear-gradient(135deg, rgba(18,56,255,.055), rgba(244,184,96,.12)); border: 1px solid rgba(18,56,255,.10); }
.price-main { margin: 0; color: var(--lpa-ink) !important; font-size: clamp(22px, 2.4vw, 29px); line-height: 1.1; font-weight: 950; letter-spacing: -.03em; }
.price-note { margin: 8px 0 0; font-size: 14px; color: var(--lpa-muted) !important; }
.price-bonus { display: inline-flex; align-items: center; gap: 7px; margin-top: 12px; padding: 8px 11px; border-radius: 999px; background: rgba(22,163,74,.10); color: #166534; font-size: 13px; font-weight: 950; }
.price-bonus::before { content: "✓"; display: grid; place-items: center; width: 18px; height: 18px; border-radius: 999px; background: rgba(22,163,74,.16); font-size: 11px; }
.quote-options { display: grid; grid-template-columns: minmax(0, .95fr) minmax(280px, 1.05fr); gap: 26px; align-items: start; margin-top: clamp(30px, 5vw, 54px); padding: clamp(24px, 4vw, 36px); border: 1px solid rgba(229,234,241,.98); border-radius: var(--lpa-radius-lg); background: rgba(255,255,255,.86); box-shadow: var(--lpa-shadow-sm); }
.quote-options h3 { font-size: clamp(26px, 3vw, 38px); margin-bottom: 12px; }
.quote-options-copy > p:not(.eyebrow) { color: var(--lpa-muted); margin-bottom: 20px; }
.options-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 0; padding: 0; list-style: none; }
.options-list li { display: flex; gap: 10px; align-items: flex-start; padding: 11px 12px; border-radius: 16px; background: rgba(18,56,255,.045); color: var(--lpa-muted); font-weight: 800; }
.options-list li::before { content: "+"; display: grid; place-items: center; flex: 0 0 22px; width: 22px; height: 22px; border-radius: 999px; background: var(--lpa-blue); color: #fff; font-size: 14px; font-weight: 950; line-height: 1; }
.lpa-contact-form select { width: 100%; min-height: 48px; border: 1px solid var(--lpa-line); border-radius: 16px; background: #fff; color: var(--lpa-ink); padding: 12px 14px; }

@media (max-width: 980px) {
  .quote-options { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .price-card { padding-top: 38px; }
  .price-badge { top: -13px; left: 22px; }
  .price-main { font-size: 23px; }
  .options-list { grid-template-columns: 1fr; }
  .quote-options { padding: 22px; }
}