/* ════════════ HERO IMPACTANT ════════════ */
  .pillar-hero {
    position: relative; min-height: 92vh;
    display: flex; align-items: center;
    background:
      linear-gradient(135deg, rgba(35,44,63,.94) 0%, rgba(35,44,63,.78) 55%, rgba(35,44,63,.55) 100%),
      url('medias/arrondissements/paris-1er/metrorealty_paris-1er-arrondissement.webp') center/cover no-repeat;
    color: var(--white); overflow: hidden;
    padding: calc(var(--nav-h) + 64px) 0 96px;
  }
  .pillar-hero::before {
    content: ""; position: absolute; inset: 0;
    background: radial-gradient(circle at 80% 20%, rgba(127,112,89,.22), transparent 55%);
    pointer-events: none;
  }
  .pillar-hero-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 64px; align-items: center; position: relative; z-index: 2; }
  @media (max-width: 960px) { .pillar-hero-grid { grid-template-columns: 1fr; gap: 48px; } }
  .pillar-hero-eyebrow {
    display: inline-flex; align-items: center; gap: 10px;
    font-size: .75rem; letter-spacing: .22em; text-transform: uppercase;
    color: var(--bronze-lt); font-weight: 600; margin-bottom: 28px;
  }
  .pillar-hero-eyebrow::before { content: ""; width: 32px; height: 1px; background: var(--bronze-lt); }
  .pillar-hero h1 {
    font-family: var(--font-serif); font-size: clamp(2.5rem, 5.5vw, 5rem);
    line-height: 1.05; color: var(--white); margin-bottom: 28px; letter-spacing: -.01em;
  }
  .pillar-hero h1 em { color: var(--white); font-style: italic; }
  .pillar-hero-lead { font-size: 1.125rem; line-height: 1.7; color: rgba(255,255,255,.84); max-width: 560px; margin-bottom: 36px; }
  .pillar-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 44px; }
  .pillar-hero-actions .btn-bronze { background: var(--bronze); color: var(--white); }
  .pillar-hero-actions .btn-bronze:hover { background: var(--bronze-dk); }
  .pillar-hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; padding-top: 32px; border-top: 1px solid rgba(255,255,255,.18); max-width: 580px; }
  .pillar-hero-stat strong { display: block; font-family: var(--font-serif); font-size: clamp(1.5rem, 2.6vw, 2.1rem); color: var(--white); line-height: 1; margin-bottom: 8px; white-space: nowrap; }
  .pillar-hero-stat span { font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; color: var(--bronze-lt); font-weight: 500; }
  .pillar-hero-card {
    background: rgba(255,255,255,.06); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
    border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius-xl); padding: 36px 32px;
    box-shadow: 0 30px 80px rgba(0,0,0,.35); position: relative;
  }
  .pillar-hero-card::before { content: ""; position: absolute; top: -1px; left: 24px; right: 24px; height: 1px; background: linear-gradient(90deg, transparent, rgba(176,164,138,.6), transparent); }
  .pillar-hero-card-label { font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; color: var(--bronze-lt); margin-bottom: 16px; }
  .pillar-hero-card-title { font-family: var(--font-serif); font-size: 1.5rem; color: var(--white); margin-bottom: 22px; line-height: 1.25; }
  .pillar-hero-card-row { display: flex; justify-content: space-between; align-items: center; padding: 14px 0; border-top: 1px dashed rgba(255,255,255,.14); font-size: .9rem; }
  .pillar-hero-card-row:first-of-type { border-top: 0; padding-top: 0; }
  .pillar-hero-card-row span:first-child { color: rgba(255,255,255,.66); }
  .pillar-hero-card-row span:last-child { color: var(--white); font-weight: 500; }
  .pillar-hero-card-result { margin-top: 22px; padding-top: 22px; border-top: 1px solid rgba(176,164,138,.35); display: flex; align-items: baseline; justify-content: space-between; }
  .pillar-hero-card-result span { font-size: .8rem; color: var(--bronze-lt); letter-spacing: .12em; text-transform: uppercase; }
  .pillar-hero-card-result strong { font-family: var(--font-serif); font-size: 1.85rem; color: var(--white); }
  .pillar-hero-card-cta { display: block; margin-top: 20px; text-align: center; padding: 14px; background: var(--bronze); color: var(--white); border-radius: var(--radius); font-weight: 500; font-size: .9rem; letter-spacing: .04em; text-transform: uppercase; text-decoration: none; transition: background .25s ease; }
  .pillar-hero-card-cta:hover { background: var(--bronze-dk); }

  /* ════════════ MANIFESTO BAND ════════════ */
  .manifesto-band { background: var(--navy); color: var(--white); padding: 72px 0; position: relative; overflow: hidden; }
  .manifesto-band::before { content: ""; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 80px; height: 3px; background: var(--bronze); }
  .manifesto-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 56px; }
  @media (max-width: 860px) { .manifesto-grid { grid-template-columns: 1fr; gap: 40px; } }
  .manifesto-num { font-family: var(--font-serif); font-size: 2.25rem; color: var(--bronze-lt); line-height: 1; margin-bottom: 14px; font-style: italic; }
  .manifesto-item h3 { font-family: var(--font-serif); font-size: 1.5rem; color: var(--white); margin-bottom: 14px; line-height: 1.25; }
  .manifesto-item p { color: rgba(255,255,255,.74); font-size: .95rem; line-height: 1.7; margin: 0; }

  /* TOC sticky */
  .pillar-toc { background: var(--off-white); border-bottom: 1px solid var(--border); padding: 10px 0; position: sticky; top: var(--nav-actual-h, var(--nav-h)); z-index: 10; }
  .pillar-toc-inner { display: flex; flex-wrap: wrap; gap: 6px 20px; justify-content: center; align-items: center; font-size: .8125rem; }
  .pillar-toc-inner a { color: var(--navy-mid); text-decoration: none; transition: color .25s ease; font-weight: 600; position: relative; padding: 4px 2px; text-transform: uppercase; letter-spacing: .08em; font-size: .68rem; }
  .pillar-toc-inner a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--bronze); transform: scaleX(0); transform-origin: left; transition: transform .3s cubic-bezier(.4,0,.2,1); }
  .pillar-toc-inner a:hover { color: var(--bronze); }
  .pillar-toc-inner a:hover::after { transform: scaleX(1); }
  .pillar-toc-inner a.is-active { color: var(--bronze); font-weight: 600; }
  .pillar-toc-inner a.is-active::after { transform: scaleX(1); }
  .pillar-toc-label { font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; color: var(--bronze); font-weight: 600; }

  /* Sections */
  .pillar-section { padding: 110px 0; background: var(--white); }
  .pillar-section.alt { background: var(--off-white); }
  .pillar-section .section-header { text-align: center; margin-bottom: 64px; }
  .pillar-section .section-header h2 { margin: 0 auto 24px; }
  .pillar-section .section-header .divider { margin-left: auto; margin-right: auto; }
  .pillar-section h2 { font-family: var(--font-serif); font-size: clamp(1.875rem, 3.5vw, 2.75rem); line-height: 1.15; color: var(--navy); }
  .pillar-section h2 em { color: var(--navy); font-style: italic; }
  .pillar-section-lead { font-size: 1.0625rem; line-height: 1.75; color: var(--navy-mid); max-width: 700px; margin: 0 auto; }

  /* 6 reasons data grid */
  .raisons-wrap { background: var(--white); border-radius: var(--radius-xl); box-shadow: 0 30px 60px rgba(35,44,63,.08); overflow: hidden; border: 1px solid var(--border); }
  .raisons-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
  @media (max-width: 900px) { .raisons-grid { grid-template-columns: 1fr 1fr; } }
  @media (max-width: 600px) { .raisons-grid { grid-template-columns: 1fr; } }
  .raison-card { padding: 44px 32px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); transition: background .3s ease; position: relative; }
  .raison-card:hover { background: var(--off-white); }
  .raison-card::before { content: ""; position: absolute; top: 0; left: 0; width: 0; height: 3px; background: var(--bronze); transition: width .35s ease; }
  .raison-card:hover::before { width: 100%; }
  .raison-card:nth-child(3n) { border-right: 0; }
  .raison-card:nth-last-child(-n+3) { border-bottom: 0; }
  @media (max-width: 900px) {
    .raison-card:nth-child(3n) { border-right: 1px solid var(--border); }
    .raison-card:nth-child(2n) { border-right: 0; }
    .raison-card:nth-last-child(-n+3) { border-bottom: 1px solid var(--border); }
    .raison-card:nth-last-child(-n+2) { border-bottom: 0; }
  }
  @media (max-width: 600px) {
    .raison-card { border-right: 0 !important; border-bottom: 1px solid var(--border) !important; }
    .raison-card:last-child { border-bottom: 0 !important; }
  }
  .raison-card-num { font-family: var(--font-serif); font-size: 1rem; font-style: italic; color: var(--bronze); margin-bottom: 16px; letter-spacing: .04em; }
  .raison-card h3 { font-family: var(--font-serif); font-size: 1.25rem; color: var(--navy); margin-bottom: 14px; line-height: 1.3; }
  .raison-card p { color: var(--navy-mid); font-size: .9rem; line-height: 1.7; margin: 0 0 14px; }
  .raison-stat { display: inline-block; padding: 5px 12px; background: rgba(127,112,89,.1); border-radius: 50px; font-size: .72rem; font-weight: 600; color: var(--bronze-dk); letter-spacing: .04em; }

  /* Strategies on navy */
  .strategies-section { background: var(--navy); color: var(--white); padding: 120px 0; position: relative; overflow: hidden; }
  .strategies-section::before { content: ""; position: absolute; top: -200px; right: -200px; width: 500px; height: 500px; border-radius: 50%; background: radial-gradient(circle, rgba(127,112,89,.18), transparent 70%); pointer-events: none; }
  .strategies-section .section-header { text-align: center; margin-bottom: 72px; position: relative; }
  .strategies-section h2 { color: var(--white); }
  .strategies-section h2 em { color: var(--white); }
  .strategies-section .eyebrow { color: var(--bronze-lt); }
  .strategies-section .pillar-section-lead { color: rgba(255,255,255,.78); }
  .strategies-section .divider { background: var(--bronze); }
  .strategies-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; position: relative; z-index: 2; }
  @media (max-width: 800px) { .strategies-grid { grid-template-columns: 1fr; } }
  .strategy-card { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius-xl); padding: 40px 36px; transition: all .3s ease; position: relative; overflow: hidden; }
  .strategy-card::before { content: ""; position: absolute; top: 0; left: 0; width: 4px; height: 0; background: var(--bronze); transition: height .4s ease; }
  .strategy-card:hover { background: rgba(255,255,255,.07); transform: translateY(-4px); }
  .strategy-card:hover::before { height: 100%; }
  .strategy-card.is-premium::before { background: var(--bronze-lt); }
  .strategy-card-tag { font-family: var(--font-serif); font-style: italic; color: var(--bronze-lt); font-size: 1rem; margin-bottom: 12px; letter-spacing: .04em; }
  .strategy-card h3 { font-family: var(--font-serif); font-size: 1.5rem; color: var(--white); margin-bottom: 14px; line-height: 1.25; }
  .strategy-card p { color: rgba(255,255,255,.78); font-size: .95rem; line-height: 1.7; margin-bottom: 12px; }
  .strategy-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 22px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.14); }
  .strategy-meta-item span:first-child { display: block; font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.55); font-weight: 600; margin-bottom: 4px; }
  .strategy-meta-item strong { font-family: var(--font-serif); font-size: 1.0625rem; color: var(--bronze-lt); }

  /* Arr table */
  .arr-table { width: 100%; border-collapse: collapse; font-size: .9rem; background: var(--white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: 0 4px 20px rgba(35,44,63,.06); }
  .arr-table th { background: var(--navy); color: var(--white); padding: 16px 14px; text-align: left; font-weight: 500; font-size: .8rem; letter-spacing: .04em; }
  .arr-table td { padding: 14px; border-bottom: 1px solid var(--border); color: var(--navy); }
  .arr-table tr:hover td { background: var(--off-white); }
  .arr-table tr:last-child td { border-bottom: 0; }
  .arr-table .arr-link a { color: var(--navy); font-weight: 500; text-decoration: none; }
  .arr-table .arr-link a:hover { color: var(--bronze); }
  .arr-table .arr-rendement { font-weight: 600; color: var(--bronze-dk); }
  .arr-table .arr-profil { font-size: .85rem; color: var(--navy-mid); }
  .arr-table-wrap { overflow-x: auto; }
  .arr-source { margin: 24px auto 0; max-width: 820px; font-size: .8125rem; color: var(--slate); text-align: center; line-height: 1.7; padding: 0 16px; }
  .arr-source strong { color: var(--bronze); font-weight: 600; }
  .arr-source-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 14px; margin: 0 0 12px; list-style: none; padding: 0; }
  .arr-source-list li { display: inline-flex; align-items: center; }
  .arr-source-list li:not(:last-child)::after { content: "·"; color: var(--bronze); margin-left: 14px; font-weight: 600; }
  .arr-source-note { display: block; margin-top: 6px; }
  @media (max-width: 600px) {
    .arr-source { font-size: .78rem; line-height: 1.6; }
    .arr-source-list { flex-direction: column; gap: 8px; }
    .arr-source-list li:not(:last-child)::after { display: none; }
    .arr-source-list li { padding: 6px 12px; background: rgba(127,112,89,.06); border-radius: 4px; display: block; }
  }

  /* Architecture tiles */
  .archi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
  @media (max-width: 960px) { .archi-grid { grid-template-columns: 1fr; } }
  .archi-card { position: relative; border-radius: var(--radius-xl); overflow: hidden; aspect-ratio: 3/4; cursor: pointer; transition: transform .5s cubic-bezier(.4,0,.2,1); }
  .archi-card:hover { transform: translateY(-6px); }
  .archi-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.4,0,.2,1); }
  .archi-card:hover img { transform: scale(1.06); }
  .archi-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 30%, rgba(35,44,63,.92) 100%); }
  .archi-card-content { position: absolute; bottom: 0; left: 0; right: 0; padding: 32px 28px; color: var(--white); z-index: 2; }
  .archi-card-tag { display: inline-block; font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; color: var(--bronze-lt); margin-bottom: 14px; padding-bottom: 8px; border-bottom: 1px solid rgba(176,164,138,.5); }
  .archi-card h3 { font-family: var(--font-serif); font-size: 1.625rem; margin-bottom: 12px; line-height: 1.2; color: var(--white); }
  .archi-card p { color: rgba(255,255,255,.85); font-size: .9rem; line-height: 1.55; margin: 0 0 12px; }
  .archi-pricing { margin-top: 14px; padding-top: 12px; font-size: .82rem; color: rgba(255,255,255,.92); border-top: 1px solid rgba(255,255,255,.2); }

  /* Tax */
  .fiscalite-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
  @media (max-width: 800px) { .fiscalite-grid { grid-template-columns: 1fr; } }
  .fiscalite-block { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 36px 32px; border-left: 4px solid var(--bronze); transition: transform .3s ease; }
  .fiscalite-block:hover { transform: translateY(-3px); box-shadow: 0 18px 40px rgba(35,44,63,.08); }
  .fiscalite-block h3 { font-family: var(--font-serif); font-size: 1.375rem; color: var(--navy); margin-bottom: 18px; }
  .fiscalite-block ul { list-style: none; padding: 0; margin: 0; }
  .fiscalite-block li { padding: 9px 0 9px 22px; position: relative; font-size: .95rem; color: var(--navy-mid); line-height: 1.65; }
  .fiscalite-block li::before { content: "—"; position: absolute; left: 0; top: 9px; color: var(--bronze); font-weight: 600; }
  .fiscalite-block li strong { color: var(--navy); }

  /* Foreign band */
  .case-band { background: var(--navy); color: var(--white); padding: 100px 0; position: relative; overflow: hidden; }
  .case-band::before { content: ""; position: absolute; top: -200px; left: -200px; width: 500px; height: 500px; border-radius: 50%; background: radial-gradient(circle, rgba(127,112,89,.18), transparent 70%); }
  .case-band .section-header { text-align: center; margin-bottom: 64px; position: relative; z-index: 2; }
  .case-band h2 { color: var(--white); }
  .case-band h2 em { color: var(--white); }
  .case-band .eyebrow { color: var(--bronze-lt); }
  .case-band .pillar-section-lead { color: rgba(255,255,255,.78); }
  .case-band .divider { background: var(--bronze); }
  .case-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; position: relative; z-index: 2; }
  @media (max-width: 900px) { .case-grid { grid-template-columns: 1fr; } }
  .case-card { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius-lg); padding: 32px; transition: background .3s ease; }
  .case-card:hover { background: rgba(255,255,255,.07); }
  .case-card h3 { font-family: var(--font-serif); font-size: 1.375rem; color: var(--white); margin-bottom: 14px; line-height: 1.25; }
  .case-card p { color: rgba(255,255,255,.75); font-size: .9rem; line-height: 1.7; margin: 0; }
  .case-band-cta { text-align: center; margin-top: 48px; position: relative; z-index: 2; }

  /* Method timeline */
  .methode-section { background: var(--white); padding: 120px 0; }
  .methode-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; margin-top: 64px; position: relative; }
  .methode-grid::before { content: ""; position: absolute; top: 28px; left: 10%; right: 10%; height: 1px; background: repeating-linear-gradient(90deg, var(--bronze) 0, var(--bronze) 6px, transparent 6px, transparent 12px); z-index: 0; }
  @media (max-width: 1000px) { .methode-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; } .methode-grid::before { display: none; } }
  @media (max-width: 540px) { .methode-grid { grid-template-columns: 1fr; } }
  .methode-step { text-align: center; padding: 0 14px; position: relative; z-index: 1; }
  .methode-num { width: 56px; height: 56px; border-radius: 50%; background: var(--white); border: 2px solid var(--bronze); color: var(--navy); font-family: var(--font-serif); font-size: 1.375rem; display: flex; align-items: center; justify-content: center; margin: 0 auto 24px; transition: all .3s ease; }
  .methode-step:hover .methode-num { background: var(--navy); color: var(--white); border-color: var(--navy); transform: scale(1.05); }
  .methode-step h4 { font-family: var(--font-serif); font-size: 1.0625rem; margin-bottom: 10px; color: var(--navy); line-height: 1.3; }
  .methode-step p { font-size: .85rem; line-height: 1.6; color: var(--navy-mid); margin: 0; }

  /* Testimonial */
  .testimonial-section { padding: 100px 0; background: var(--off-white); position: relative; overflow: hidden; }
  .testimonial-quote { max-width: 880px; margin: 0 auto; text-align: center; position: relative; padding: 0 40px; }
  .testimonial-quote::before, .testimonial-quote::after { font-family: var(--font-serif); font-size: 6rem; color: var(--bronze); opacity: .25; line-height: 1; position: absolute; }
  .testimonial-quote::before { content: "\201C"; top: -20px; left: 0; }
  .testimonial-quote::after { content: "\201D"; bottom: -60px; right: 0; }
  .testimonial-quote blockquote { font-family: var(--font-serif); font-style: italic; font-size: clamp(1.25rem, 2.4vw, 1.75rem); color: var(--navy); line-height: 1.4; margin: 0 0 32px; }
  .testimonial-author { display: flex; align-items: center; justify-content: center; gap: 16px; }
  .testimonial-author-avatar { width: 48px; height: 48px; border-radius: 50%; background: var(--navy); color: var(--white); display: flex; align-items: center; justify-content: center; font-family: var(--font-serif); font-size: 1.125rem; }
  .testimonial-author-info { text-align: left; }
  .testimonial-author-info strong { display: block; color: var(--navy); font-weight: 600; font-size: .95rem; }
  .testimonial-author-info span { font-size: .82rem; color: var(--slate); letter-spacing: .04em; }

  /* FAQ */
  .pillar-faq { max-width: 880px; margin: 0 auto; }
  .pillar-faq .faq-item { background: var(--white); }

  /* CTA band */
  .pillar-cta-band { background: var(--navy); color: var(--white); padding: 96px 0; text-align: center; position: relative; }
  .pillar-cta-band::before { content: ""; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 80px; height: 3px; background: var(--bronze); }
  .pillar-cta-band h2 { color: var(--white); margin: 0 auto 18px; max-width: 22ch; }
  .pillar-cta-band h2 em { color: var(--white); }
  .pillar-cta-band p { color: rgba(255,255,255,.8); font-size: 1.0625rem; max-width: 600px; margin: 0 auto 32px; }
  .pillar-cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }