*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
      --blue-deep: #0F2B45;
      --blue-mid: #1A3A5C;
      --blue-accent: #0096C7;
      --blue-light: #90E0EF;
      --cyan: #00B4D8;
      --ice: #CAF0F8;
      --white: #FFFFFF;
      --gray-light: #F0F6FA;
      --gray: #64748B;
      --gray-dark: #334155;
      --radius: 16px;
      --shadow: 0 4px 32px rgba(0,150,199,0.10);
    }

    html {
      scroll-behavior: smooth;
      scroll-padding-top: 80px;
      overflow-x: hidden;
      width: 100%;
    }

    body {
      font-family: 'Helvetica Neue', Roboto, Arial, sans-serif;
      background: var(--white);
      color: var(--gray-dark);
      overflow-x: hidden;
      width: 100%;
      max-width: 100vw;
      position: relative;
    }

    /* ─── NAV ─── */
    nav {
      position: fixed; top: 0; left: 0; right: 0; z-index: 100;
      display: flex; align-items: center; justify-content: space-between;
      padding: 18px 6vw;
      background: rgba(255,255,255,0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(0,150,199,0.10);
      transition: box-shadow .3s;
    }
    nav.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.08); }

    .logo {
      display: flex; align-items: center; gap: 10px;
      font-family: 'Helvetica Neue', 'Roboto Condensed', Arial, sans-serif; font-weight: 700;
      font-size: 1.25rem; color: var(--blue-deep); text-decoration: none;
      white-space: nowrap;
    }
    .logo-icon {
      width: 38px; height: 38px; border-radius: 10px;
      background: linear-gradient(135deg, var(--blue-accent), var(--cyan));
      display: flex; align-items: center; justify-content: center;
      flex-shrink: 0;
    }
    .logo-icon svg { width: 22px; height: 22px; fill: white; }

    .nav-links { display: flex; gap: 32px; list-style: none; }
    .nav-links a {
      font-size: .9rem; font-weight: 500; color: var(--gray);
      text-decoration: none; transition: color .2s;
    }
    .nav-links a:hover { color: var(--blue-accent); }

    .nav-cta {
      background: var(--blue-accent); color: white !important;
      padding: 10px 24px; border-radius: 50px; font-weight: 600 !important;
      transition: background .2s, transform .2s !important;
      white-space: nowrap;
    }
    .nav-cta:hover { background: var(--blue-mid) !important; transform: translateY(-1px); }

    .hamburger { display: none; cursor: pointer; flex-direction: column; gap: 5px; }
    .hamburger span { display: block; width: 24px; height: 2px; background: var(--blue-deep); border-radius: 2px; transition: .3s; }

    /* ─── HERO ─── */
    #hero {
      background: linear-gradient(160deg, var(--blue-deep) 0%, #0D3B5E 50%, #0A2940 100%);
      display: flex; align-items: center;
      padding: 108px 6vw 60px;
      position: relative; overflow: hidden;
    }

    /* Animated mist particles */
    .mist-container {
      position: absolute; inset: 0; pointer-events: none;
      overflow: hidden;
    }
    .mist-particle {
      position: absolute;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(144,224,239,0.18) 0%, transparent 70%);
      animation: mist-float linear infinite;
    }
    .mist-particle:nth-child(1)  { width:500px; height:500px; left:-100px; top:10%;  animation-duration:18s; animation-delay:0s; }
    .mist-particle:nth-child(2)  { width:350px; height:350px; left:30%;   top:-50px; animation-duration:22s; animation-delay:-5s; }
    .mist-particle:nth-child(3)  { width:600px; height:600px; right:-150px; top:20%; animation-duration:25s; animation-delay:-8s; }
    .mist-particle:nth-child(4)  { width:250px; height:250px; left:60%;   bottom:10%;animation-duration:16s; animation-delay:-3s; }
    .mist-particle:nth-child(5)  { width:400px; height:400px; left:20%;   bottom:-80px;animation-duration:20s; animation-delay:-10s; }

    @keyframes mist-float {
      0%   { transform: translate(0,0) scale(1);   opacity: .6; }
      33%  { transform: translate(30px,-20px) scale(1.05); opacity: .9; }
      66%  { transform: translate(-20px,15px) scale(.95); opacity: .5; }
      100% { transform: translate(0,0) scale(1);   opacity: .6; }
    }

    .hero-content { position: relative; z-index: 2; max-width: 680px; }
    .hero-eyebrow {
      display: inline-flex; align-items: center; gap: 8px;
      background: rgba(0,180,216,0.18); border: 1px solid rgba(0,180,216,0.3);
      color: var(--blue-light); font-size: .8rem; font-weight: 600;
      letter-spacing: .1em; text-transform: uppercase;
      padding: 6px 16px; border-radius: 50px; margin-bottom: 20px;
    }
    .hero-eyebrow::before {
      content: ''; display: block; width: 6px; height: 6px;
      border-radius: 50%; background: var(--cyan);
      animation: pulse 2s infinite;
    }
    @keyframes pulse {
      0%,100% { opacity:1; transform:scale(1); }
      50%      { opacity:.5; transform:scale(1.4); }
    }

    .hero-title {
      font-family: 'Helvetica Neue', 'Roboto Condensed', Arial, sans-serif;
      font-size: clamp(2.2rem, 4.5vw, 3.6rem);
      font-weight: 900; line-height: 1.1;
      color: var(--white); margin-bottom: 18px;
      text-transform: uppercase;
      letter-spacing: -0.01em;
      font-stretch: condensed;
    }
    .hero-title .accent { color: var(--cyan); display: block; }

    .hero-sub {
      font-size: clamp(1rem, 1.8vw, 1.2rem);
      color: rgba(255,255,255,0.82); line-height: 1.8;
      max-width: 640px; margin-bottom: 32px;
      font-weight: 300;
      text-align: justify;
    }

    .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; max-width: 640px; }
    .btn-primary {
      background: var(--cyan); color: var(--blue-deep);
      padding: 16px 36px; border-radius: 50px;
      font-family: 'Helvetica Neue', 'Roboto Condensed', Arial, sans-serif; font-weight: 700; font-size: 1rem;
      text-decoration: none; transition: transform .2s, box-shadow .2s;
      box-shadow: 0 4px 24px rgba(0,180,216,0.4);
    }
    .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,180,216,0.5); }
    .btn-secondary {
      border: 1.5px solid rgba(255,255,255,0.3); color: white;
      padding: 16px 36px; border-radius: 50px;
      font-family: 'Helvetica Neue', 'Roboto Condensed', Arial, sans-serif; font-weight: 500; font-size: 1rem;
      text-decoration: none; transition: border-color .2s, background .2s;
    }
    .btn-secondary:hover { border-color: var(--cyan); background: rgba(0,180,216,0.1); }

    .hero-visual {
      position: absolute; right: 0; top: 0; bottom: 0;
      width: 48%; display: flex; align-items: center; justify-content: center;
      pointer-events: none; overflow: hidden;
    }
    .hero-photo {
      position: absolute; inset: 0;
      width: 100%; height: 100%;
      object-fit: cover; object-position: center;
      opacity: 0;
      transition: opacity 1.5s ease-in-out;
    }
    .hero-photo-active { opacity: 0.38; }
    .hero-visual-overlay {
      position: absolute; inset: 0;
      background: linear-gradient(90deg, var(--blue-deep) 0%, transparent 30%);
    }
    .unit-card {
      position: absolute; bottom: 60px; right: 40px;
      width: 195px;
      background: rgba(10,41,64,0.85);
      border: 1px solid rgba(144,224,239,0.25);
      border-radius: 20px;
      backdrop-filter: blur(12px);
      display: flex; flex-direction: column; align-items: center;
      justify-content: center; padding: 22px 18px;
      box-shadow: 0 0 60px rgba(0,180,216,0.18);
    }
    .unit-card::before {
      content: '';
      position: absolute; inset: 0; border-radius: 20px;
      background: linear-gradient(180deg, rgba(0,180,216,0.08) 0%, transparent 100%);
    }
    .unit-label {
      font-family: 'Helvetica Neue', 'Roboto Condensed', Arial, sans-serif; font-weight: 300;
      font-size: .7rem; letter-spacing: .15em; text-transform: uppercase;
      color: var(--blue-light); margin-bottom: 10px; position: relative;
    }
    .unit-temp {
      font-family: 'Helvetica Neue', 'Roboto Condensed', Arial, sans-serif; font-weight: 800;
      font-size: 3rem; color: white; position: relative; line-height: 1;
    }
    .unit-temp span { font-size: 1.4rem; font-weight: 300; }
    .unit-status {
      margin-top: 10px; font-size: .73rem; color: var(--cyan);
      display: flex; align-items: center; gap: 6px;
    }
    .unit-status::before {
      content: ''; width: 6px; height: 6px; border-radius: 50%;
      background: var(--cyan); display: block;
      animation: pulse 2s infinite;
    }
    .airflow { display: none; }

    /* ─── STATS BAR ─── */
    .stats-bar {
      background: var(--blue-mid); padding: 26px 6vw;
      display: grid; grid-template-columns: repeat(4, 1fr);
      gap: 0;
    }
    .stat-item {
      text-align: center; padding: 0 20px;
      border-right: 1px solid rgba(255,255,255,0.1);
    }
    .stat-item:last-child { border: none; }
    .stat-num {
      font-family: 'Helvetica Neue', 'Roboto Condensed', Arial, sans-serif; font-weight: 800;
      font-size: 2.2rem; color: var(--cyan);
    }
    .stat-label { font-size: .82rem; color: rgba(255,255,255,0.65); margin-top: 4px; }

    /* ─── SECTIONS ─── */
    section { padding: 96px 6vw; }

    .section-eyebrow {
      font-size: .8rem; font-weight: 600; letter-spacing: .15em;
      text-transform: uppercase; color: var(--blue-accent);
      margin-bottom: 16px;
    }
    .section-title {
      font-family: 'Helvetica Neue', 'Roboto Condensed', Arial, sans-serif;
      font-weight: 900;
      font-size: clamp(1.8rem, 3vw, 2.8rem); color: var(--blue-deep);
      line-height: 1.15; margin-bottom: 20px;
      text-transform: uppercase;
      letter-spacing: -0.01em;
      font-stretch: condensed;
    }
    .section-sub {
      font-size: 1.05rem; color: var(--gray);
      line-height: 1.75; max-width: 560px;
    }

    /* ─── CONCEPT ─── */
    #concept { background: var(--gray-light); }
    .concept-grid {
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 80px; align-items: stretch; margin-top: 60px;
    }
    .concept-visual {
      border-radius: var(--radius);
      background: linear-gradient(135deg, var(--blue-deep) 0%, var(--blue-mid) 100%);
      position: relative; overflow: hidden;
    }
    .room-illustration {
      width: 85%; position: relative;
    }
    .room-wall {
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: 12px; padding: 40px 30px 20px;
      position: relative;
    }
    .invisible-unit {
      width: 120px; height: 22px; margin: 0 auto 8px;
      background: rgba(255,255,255,0.1);
      border: 1px solid rgba(144,224,239,0.3);
      border-radius: 6px;
      display: flex; align-items: center; justify-content: center;
    }
    .invisible-unit::after {
      content: '≋ ≋ ≋';
      font-size: .55rem; letter-spacing: 4px;
      color: rgba(144,224,239,0.6);
      animation: airflow-anim 2s ease-in-out infinite;
    }
    @keyframes airflow-anim {
      0%,100% { opacity:.4; letter-spacing:4px; }
      50%      { opacity:1; letter-spacing:6px; }
    }
    .room-floor {
      height: 3px; background: rgba(255,255,255,0.1);
      border-radius: 2px; margin-top: 60px;
    }
    .no-outdoor-badge {
      position: absolute; top: 20px; right: -10px;
      background: var(--cyan); color: var(--blue-deep);
      font-family: 'Helvetica Neue', 'Roboto Condensed', Arial, sans-serif; font-weight: 700;
      font-size: .72rem; padding: 6px 14px; border-radius: 50px;
      white-space: nowrap;
    }
    .concept-points { display: flex; flex-direction: column; gap: 16px; justify-content: center; }
    .concept-point { display: flex; gap: 20px; align-items: flex-start; }
    .point-icon {
      width: 48px; height: 48px; flex-shrink: 0;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--blue-accent), var(--cyan));
      display: flex; align-items: center; justify-content: center;
    }
    .point-icon svg { width: 22px; height: 22px; fill: white; }
    .point-body h3 {
      font-family: 'Helvetica Neue', 'Roboto Condensed', Arial, sans-serif; font-weight: 600;
      font-size: 1.05rem; color: var(--blue-deep); margin-bottom: 6px;
    }
    .point-body p { font-size: .9rem; color: var(--gray); line-height: 1.6; text-align: justify; }

    /* ─── AVANTAGES ─── */
    #avantages { background: white; }
    .avantages-grid {
      display: grid; grid-template-columns: repeat(3, 1fr);
      gap: 28px; margin-top: 56px;
    }
    .avantage-card {
      border: 1px solid #E2EAF0;
      border-radius: var(--radius);
      padding: 36px 30px;
      transition: border-color .3s, box-shadow .3s, transform .3s;
      cursor: default;
      display: grid;
      grid-template-columns: auto 1fr;
      grid-template-rows: 56px auto;
      column-gap: 16px;
      align-items: center;
      align-content: start;
    }
    .avantage-card:hover {
      border-color: var(--cyan);
      box-shadow: var(--shadow);
      transform: translateY(-4px);
    }
    .avantage-icon {
      width: 56px; height: 56px; border-radius: 14px;
      display: flex; align-items: center; justify-content: center;
      grid-column: 1; grid-row: 1;
    }
    .avantage-icon svg { width: 28px; height: 28px; }
    .avantage-card h3 {
      font-family: 'Helvetica Neue', 'Roboto Condensed', Arial, sans-serif; font-weight: 700;
      font-size: 1.1rem; color: var(--blue-deep);
      grid-column: 2; grid-row: 1;
    }
    .avantage-card p {
      grid-column: 1 / -1; grid-row: 2;
      margin-top: 16px;
    }
    .avantage-card p { font-size: .9rem; color: var(--gray); line-height: 1.65; text-align: justify; }

    /* ─── HOW IT WORKS ─── */
    #fonctionnement { background: white; }
    .steps-grid {
      display: grid; grid-template-columns: repeat(4, 1fr);
      gap: 0; margin-top: 60px; position: relative;
    }
    .steps-grid::after {
      content: ''; position: absolute;
      top: 36px; left: calc(12.5% + 36px); right: calc(12.5% + 36px);
      height: 2px; background: linear-gradient(90deg, var(--blue-accent), var(--cyan));
      z-index: 0;
    }
    .step { text-align: center; padding: 0 20px; position: relative; z-index: 1; }
    .step-num {
      width: 72px; height: 72px; border-radius: 50%; margin: 0 auto 24px;
      background: white; border: 2px solid var(--blue-accent);
      font-family: 'Helvetica Neue', 'Roboto Condensed', Arial, sans-serif; font-weight: 800; font-size: 1.4rem;
      color: var(--blue-accent);
      display: flex; align-items: center; justify-content: center;
      transition: background .3s, color .3s;
    }
    .step:hover .step-num { background: var(--blue-accent); color: white; }
    .step h3 {
      font-family: 'Helvetica Neue', 'Roboto Condensed', Arial, sans-serif; font-weight: 600;
      font-size: 1rem; color: var(--blue-deep); margin-bottom: 10px;
    }
    .step p { font-size: .85rem; color: var(--gray); line-height: 1.6; }

    /* ─── TÉMOIGNAGES ─── */
    #temoignages { background: var(--blue-deep); }
    #temoignages .section-title { color: white; }
    #temoignages .section-eyebrow { color: var(--cyan); }
    .temoignages-grid {
      display: grid; grid-template-columns: repeat(3, 1fr);
      gap: 24px; margin-top: 56px;
    }
    .temoignage-card {
      background: rgba(255,255,255,0.05);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: var(--radius); padding: 32px;
      transition: border-color .3s;
    }
    .temoignage-card:hover { border-color: rgba(0,180,216,0.4); }
    .stars { color: var(--cyan); font-size: 1rem; margin-bottom: 16px; }
    .temoignage-card blockquote {
      font-size: .92rem; color: rgba(255,255,255,0.8);
      line-height: 1.7; margin-bottom: 20px; font-style: italic;
    }
    .temoignage-author { display: flex; align-items: center; gap: 12px; }
    .author-avatar {
      width: 40px; height: 40px; border-radius: 50%;
      background: linear-gradient(135deg, var(--blue-accent), var(--cyan));
      display: flex; align-items: center; justify-content: center;
      font-family: 'Helvetica Neue', 'Roboto Condensed', Arial, sans-serif; font-weight: 700; font-size: .9rem;
      color: white;
    }
    .author-info .name {
      font-family: 'Helvetica Neue', 'Roboto Condensed', Arial, sans-serif; font-weight: 600;
      font-size: .9rem; color: white;
    }
    .author-info .role { font-size: .78rem; color: rgba(255,255,255,0.5); }

    /* ─── LEAD FORM ─── */
    #contact {
      padding: 96px 6vw;
    }
    .contact-wrapper {
      max-width: 1100px; margin: 0 auto;
      display: grid; grid-template-columns: 1fr 1fr;
      gap: 80px; align-items: start;
    }
    .contact-left .section-title { color: white; }
    .contact-left .section-eyebrow { color: var(--cyan); }
    .contact-left .section-sub { color: rgba(255,255,255,.7); }
    .contact-perks { margin-top: 36px; display: flex; flex-direction: column; gap: 14px; }
    .perk {
      display: flex; align-items: center; gap: 12px;
      font-size: .9rem; color: rgba(255,255,255,.8);
    }
    .perk-icon {
      width: 28px; height: 28px; border-radius: 8px;
      background: rgba(0,180,216,.2); border: 1px solid rgba(0,180,216,.3);
      display: flex; align-items: center; justify-content: center; flex-shrink: 0;
    }
    .perk-icon svg { width: 14px; height: 14px; fill: var(--cyan); }

    .lead-form {
      background: white; border-radius: 24px;
      padding: 48px 40px; box-shadow: 0 24px 80px rgba(0,0,0,.2);
    }
    .form-title {
      font-family: 'Helvetica Neue', 'Roboto Condensed', Arial, sans-serif; font-weight: 700;
      font-size: 1.5rem; color: var(--blue-deep); margin-bottom: 8px;
    }
    .form-sub { font-size: .88rem; color: var(--gray); margin-bottom: 32px; }

    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .form-group { margin-bottom: 18px; }
    .form-group label {
      display: block; font-size: .82rem; font-weight: 600;
      color: var(--blue-deep); margin-bottom: 7px;
    }
    .form-group input,
    .form-group select,
    .form-group textarea {
      width: 100%; padding: 12px 16px;
      border: 1.5px solid #E2EAF0; border-radius: 10px;
      font-family: 'Helvetica Neue', Roboto, Arial, sans-serif; font-size: .9rem;
      color: var(--gray-dark); background: #FAFCFF;
      transition: border-color .2s, box-shadow .2s;
      outline: none;
    }
    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
      border-color: var(--blue-accent);
      box-shadow: 0 0 0 3px rgba(0,150,199,.1);
    }
    .form-group textarea { resize: vertical; min-height: 90px; }

    .btn-submit {
      width: 100%; padding: 16px;
      background: linear-gradient(135deg, var(--blue-accent), var(--cyan));
      color: white; border: none; border-radius: 12px; cursor: pointer;
      font-family: 'Helvetica Neue', 'Roboto Condensed', Arial, sans-serif; font-weight: 700; font-size: 1.05rem;
      transition: transform .2s, box-shadow .2s;
      box-shadow: 0 4px 24px rgba(0,150,199,.35);
    }
    .btn-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,150,199,.45); }

    .form-note {
      text-align: center; font-size: .75rem; color: var(--gray);
      margin-top: 14px;
    }

    /* Success state */
    .form-success {
      display: none; text-align: center; padding: 40px 20px;
    }
    .form-success .success-icon {
      width: 72px; height: 72px; border-radius: 50%;
      background: linear-gradient(135deg, var(--blue-accent), var(--cyan));
      display: flex; align-items: center; justify-content: center;
      margin: 0 auto 24px;
    }
    .form-success .success-icon svg { width: 36px; height: 36px; fill: white; }
    .form-success h3 {
      font-family: 'Helvetica Neue', 'Roboto Condensed', Arial, sans-serif; font-weight: 700;
      font-size: 1.4rem; color: var(--blue-deep); margin-bottom: 12px;
    }
    .form-success p { font-size: .9rem; color: var(--gray); line-height: 1.6; }

    /* ─── FOOTER ─── */
    footer {
      background: #07192A;
      padding: 56px 6vw 32px;
    }
    .footer-top {
      display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 48px; padding-bottom: 40px;
      border-bottom: 1px solid rgba(255,255,255,.07);
    }
    .footer-brand p {
      font-size: .88rem; color: rgba(255,255,255,.45);
      line-height: 1.7; margin-top: 16px;
    }
    .footer-col h4 {
      font-family: 'Helvetica Neue', 'Roboto Condensed', Arial, sans-serif; font-weight: 600;
      font-size: .9rem; color: white; margin-bottom: 16px;
    }
    .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
    .footer-col ul a {
      font-size: .85rem; color: rgba(255,255,255,.45);
      text-decoration: none; transition: color .2s;
    }
    .footer-col ul a:hover { color: var(--cyan); }
    .footer-bottom {
      display: flex; justify-content: space-between; align-items: center;
      padding-top: 28px;
    }
    .footer-bottom p { font-size: .8rem; color: rgba(255,255,255,.3); }
    .footer-badge {
      font-size: .75rem; color: rgba(255,255,255,.3);
      display: flex; align-items: center; gap: 6px;
    }
    .footer-badge span { color: var(--cyan); }

    /* ─── RESPONSIVE ─── */
    @media (max-width: 1024px) {
      .produits-grid { grid-template-columns: repeat(2, 1fr) !important; }
      .unites-grid { grid-template-columns: repeat(2, 1fr) !important; }
      .avantages-grid { grid-template-columns: repeat(2, 1fr); }
      .carac-grid { grid-template-columns: repeat(2, 1fr) !important; }
      .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
      .steps-grid::after { display: none; }
      .hero-visual { display: none; }
      .footer-top { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 960px) {
      nav { padding: 14px 5vw; }
      .nav-links { display: none; flex-direction: column; gap: 0;
        position: fixed; top: 70px; left: 0; right: 0;
        background: white; padding: 20px 5vw 28px;
        border-bottom: 1px solid #E2EAF0;
        box-shadow: 0 8px 24px rgba(0,0,0,.08);
      }
      .nav-links.open { display: flex; }
      .nav-links li { border-top: 1px solid #F0F6FA; padding: 12px 0; }
      .hamburger { display: flex; }
    }
    @media (max-width: 768px) {
      #hero { height: auto; max-height: none; min-height: 100vh; padding: 100px 5vw 50px; }
      .produits-grid { grid-template-columns: 1fr !important; }
      .carac-grid { grid-template-columns: 1fr !important; }
      .unites-grid { grid-template-columns: repeat(2, 1fr) !important; }
      #realisations [style*="grid-template-columns:2fr"] { grid-template-columns: 1fr !important; }
      #realisations [style*="grid-template-columns:1fr 1fr 2fr"] { grid-template-columns: 1fr !important; }
      .concept-grid { grid-template-columns: 1fr; gap: 40px; }
      .concept-visual { aspect-ratio: 16/10; }
      .contact-wrapper { grid-template-columns: 1fr; gap: 48px; }
      .temoignages-grid { grid-template-columns: 1fr; }
      .stats-bar { grid-template-columns: repeat(2, 1fr); gap: 24px; }
      .stat-item { border: none; }
      .avantages-grid { grid-template-columns: 1fr; }
      .steps-grid { grid-template-columns: 1fr; }
      .form-row { grid-template-columns: 1fr; }
      .footer-top { grid-template-columns: 1fr; }
      .lead-form { padding: 32px 24px; }
    }

    /* ─── PHOTO BANNER ROTATION ─── */
    .banner-photo {
      position: absolute; inset: 0;
      width: 100%; height: 100%;
      object-fit: cover; object-position: center 40%;
      opacity: 0;
      transition: opacity 1.5s ease-in-out;
    }
    .banner-photo-active { opacity: 1; }

    /* ─── SCROLL REVEAL ─── */
    .reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s, transform .7s; }
    .reveal.visible { opacity: 1; transform: none; }