:root {
  --green-950: #001d1a;
  --green-900: #062b27;
  --cyan-500: #26e0d1;
  --cyan-100: #bce3e0;
  --blue-500: #2679e0;
  --blue-400: #26b4e0;
  --ink: #061520;
  --muted: #5b6f78;
  --line: rgba(0, 29, 26, 0.12);
  --surface: #ffffff;
  --soft: #f3fbfa;
  --radius: 24px;
  --shadow: 0 28px 80px rgba(0, 29, 26, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 0%, rgba(38, 224, 209, 0.18), transparent 27rem),
    radial-gradient(circle at 88% 5%, rgba(38, 121, 224, 0.11), transparent 30rem),
    #f8fcfb;
  line-height: 1.5;
}

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  background: var(--green-950);
  color: #fff;
  padding: 10px 14px;
  border-radius: 999px;
  z-index: 99;
}
.skip-link:focus { left: 12px; }

.container {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.section { padding: 72px 0; }

.site-header {
  position: sticky;
  top: 14px;
  z-index: 30;
  padding: 0 20px;
}

.nav {
  width: min(1120px, 100%);
  min-height: 56px;
  margin: 0 auto;
  padding: 7px 10px 7px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(255,255,255,.72);
  border-radius: 999px;
  box-shadow: 0 12px 38px rgba(0, 29, 26, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 850;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: #fff;
  background: var(--green-950);
  font-weight: 950;
  font-size: 11px;
  box-shadow: inset 0 0 0 1px rgba(38,224,209,.24);
}

.brand-name { font-size: 15px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 19px;
  font-size: 13px;
  font-weight: 760;
  color: #183242;
}
.nav-links a:not(.nav-cta):hover { color: var(--blue-500); }
.nav-cta {
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--green-950);
  color: #fff;
  box-shadow: 0 12px 28px rgba(0,29,26,.16);
}

.menu-toggle {
  display: none;
  border: 0;
  background: var(--green-950);
  color: #fff;
  border-radius: 999px;
  padding: 10px 14px;
  font-weight: 800;
}

.hero { padding-top: 58px; padding-bottom: 58px; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.86fr);
  gap: clamp(32px, 4.4vw, 54px);
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue-500);
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: 11px;
  font-weight: 900;
}

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 {
  font-family: Montserrat, Inter, ui-sans-serif, system-ui, sans-serif;
  color: var(--ink);
  letter-spacing: -0.06em;
  line-height: 0.98;
}
h1 {
  font-size: clamp(44px, 4.8vw, 64px);
  max-width: 660px;
  margin-bottom: 18px;
}
h2 {
  font-size: clamp(34px, 4.1vw, 56px);
  margin-bottom: 18px;
}
h3 { font-size: 24px; margin-bottom: 10px; }
.lead {
  font-size: clamp(17px, 1.6vw, 19px);
  color: #42606b;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 24px 0 24px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 900;
  border: 1px solid transparent;
}
.button.primary {
  color: var(--green-950);
  background: linear-gradient(135deg, var(--cyan-500), var(--blue-400));
  box-shadow: 0 16px 35px rgba(38, 180, 224, .23);
}
.button.secondary {
  background: #fff;
  border-color: var(--line);
  color: var(--green-950);
}
.button.full { width: 100%; }

.quick-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  max-width: 560px;
}
.quick-facts div {
  padding: 15px;
  background: rgba(255,255,255,.72);
  border: 1px solid var(--line);
  border-radius: 20px;
}
.quick-facts dt { font-weight: 950; font-size: 20px; letter-spacing: -0.05em; }
.quick-facts dd { margin: 3px 0 0; color: var(--muted); font-size: 12px; }

.hero-media {
  margin: 0;
  background: var(--surface);
  padding: 16px;
  border: 1px solid rgba(0,29,26,.1);
  border-radius: 30px;
  box-shadow: var(--shadow);
}
.product-card img {
  width: 100%;
  height: min(32vw, 380px);
  min-height: 300px;
  object-fit: contain;
  border-radius: 20px;
  background: linear-gradient(145deg, #fff, #edf7f6);
}
.hero-media figcaption {
  padding: 10px 4px 0;
  color: var(--muted);
  font-size: 11px;
}

.split {
  display: grid;
  grid-template-columns: .92fr 1fr;
  gap: 56px;
  align-items: start;
}
.copy-stack {
  display: grid;
  gap: 18px;
  color: #3e5964;
  font-size: 18px;
}
.copy-stack p { margin-bottom: 0; }

.problem, .how, .markets { background: rgba(255,255,255,.55); }

.section-heading.compact { max-width: 760px; margin-bottom: 34px; }
.section-heading.centered {
  max-width: 800px;
  margin: 0 auto 34px;
  text-align: center;
}
.section-heading.centered p:last-child {
  margin: 0 auto;
  max-width: 700px;
  color: #526b75;
  font-size: 18px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.step-card, .contact-panel, .spec-list div, .benefits-grid div {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 18px 50px rgba(0, 29, 26, 0.07);
}
.step-card {
  padding: 20px;
  min-height: 190px;
}
.step-number {
  display: inline-flex;
  margin-bottom: 24px;
  color: var(--cyan-500);
  font-weight: 950;
  letter-spacing: .12em;
}
.step-card p { color: var(--muted); margin: 0; }

.tabs {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 30px;
  box-shadow: var(--shadow);
  padding: 14px;
}
.tab-buttons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  padding: 6px;
  background: #eef8f7;
  border: 1px solid rgba(0,29,26,.08);
  border-radius: 999px;
  margin-bottom: 14px;
}
.tab-button {
  min-height: 48px;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  background: transparent;
  color: #2e4854;
  font-weight: 900;
}
.tab-button.active {
  color: #fff;
  background: var(--green-950);
  box-shadow: 0 12px 28px rgba(0,29,26,.16);
}
.tab-panel {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 28px;
  align-items: stretch;
  padding: 20px;
}
.tab-panel[hidden] { display: none; }
.tab-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.tab-label {
  margin: 0 0 12px;
  color: var(--blue-500);
  font-weight: 900;
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.tab-copy h3 {
  font-size: clamp(30px, 3.6vw, 46px);
  max-width: 680px;
}
.tab-copy > p:not(.tab-label) {
  max-width: 690px;
  color: #48636e;
  font-size: 17px;
}
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}
.benefits-grid div {
  padding: 15px;
  box-shadow: none;
}
.benefits-grid strong {
  display: block;
  margin-bottom: 6px;
  color: var(--green-950);
}
.benefits-grid span { color: var(--muted); font-size: 14px; }
.tab-media {
  margin: 0;
  border-radius: 26px;
  overflow: hidden;
  background: linear-gradient(145deg, #f7fbfa, #e8f5f4);
  min-height: 340px;
}
.tab-media img {
  width: 100%;
  height: 100%;
  min-height: 340px;
  object-fit: cover;
}
#tab-b2b .tab-media img { object-fit: contain; padding: 24px; }

.product-grid {
  display: grid;
  grid-template-columns: .98fr 1.02fr;
  gap: 48px;
  align-items: center;
}
.card-media {
  background: linear-gradient(145deg, #ffffff, #eef8f7);
  border: 1px solid var(--line);
  border-radius: 36px;
  box-shadow: var(--shadow);
  overflow: hidden;
  padding: 12px;
}
.product-visual video {
  width: 100%;
  min-height: 300px;
  max-height: 380px;
  object-fit: contain;
  border-radius: 26px;
  background: #eef4f3;
}
.product-copy p { color: #48636e; font-size: 17px; }
.spec-list {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}
.spec-list div { padding: 18px; }
.spec-list strong { display: block; margin-bottom: 4px; }
.spec-list span { color: var(--muted); }

.pilots {
  color: #fff;
  background:
    radial-gradient(circle at 18% 0%, rgba(38,224,209,.18), transparent 32rem),
    linear-gradient(135deg, var(--green-950), var(--green-900));
}
.pilots h2, .pilots .eyebrow { color: #fff; }
.pilots .eyebrow { color: var(--cyan-500); }
.pilots .copy-stack { color: rgba(255,255,255,.74); }

.investor-card {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 32px;
  align-items: center;
  padding: 36px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 36px;
  box-shadow: var(--shadow);
}
.investor-card p { color: #49616b; font-size: 17px; }
.contact-panel { padding: 26px; }
.contact-panel p { font-size: 15px; color: var(--muted); }

.footer {
  padding: 36px 0;
  background: var(--green-950);
  color: rgba(255,255,255,.78);
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: center;
}
.footer-logo { width: 112px; border-radius: 14px; margin-bottom: 14px; }
.footer p { margin: 0; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; font-weight: 800; }
.footer-links a:hover { color: var(--cyan-500); }

@media (max-width: 900px) {
  .site-header { top: 8px; }
  .nav { border-radius: 26px; align-items: flex-start; }
  .menu-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    left: 20px;
    right: 20px;
    top: 72px;
    padding: 15px;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    background: rgba(255,255,255,.96);
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: var(--shadow);
  }
  .nav-links a { padding: 12px; }
  .nav-links.open { display: flex; }
  .hero-grid,
  .split,
  .product-grid,
  .investor-card,
  .tab-panel { grid-template-columns: 1fr; gap: 34px; }
  .hero { padding-top: 54px; padding-bottom: 48px; }
  .quick-facts { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }
  .tab-media, .tab-media img { min-height: 300px; }
  .footer-grid { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px) {
  .container { width: min(100% - 28px, 1180px); }
  .section { padding: 56px 0; }
  h1 { font-size: 40px; }
  h2 { font-size: 36px; }
  .hero-actions .button { width: 100%; }
  .product-card img { min-height: 260px; height: 300px; }
  .tab-buttons { grid-template-columns: 1fr; border-radius: 24px; }
  .tab-panel { padding: 12px; }
  .tab-copy h3 { font-size: 31px; }
  .tab-media, .tab-media img { min-height: 240px; }
  .investor-card { padding: 24px; border-radius: 26px; }
  .product-visual video { min-height: 240px; }
}

/* v7 — onglets B2B/B2C plus propres + vidéo d’usage client */
.container.narrow { width: min(1040px, calc(100% - 48px)); }

.how-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 44px;
  align-items: center;
}
.how-copy h2 { max-width: 650px; }
.steps.vertical {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 28px;
}
.compact-step {
  min-height: auto;
  padding: 18px;
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 16px;
  align-items: start;
}
.compact-step .step-number {
  margin: 4px 0 0;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: #ecfbfa;
  color: var(--green-950);
  letter-spacing: 0;
}
.compact-step h3 { font-size: 20px; margin-bottom: 4px; }
.usage-video video,
.product-visual video {
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 360px;
  object-fit: contain;
  border-radius: 24px;
  background: #edf5f4;
}
.media-label {
  display: inline-flex;
  margin: 4px 0 10px 4px;
  padding: 7px 11px;
  border-radius: 999px;
  background: rgba(38, 224, 209, .14);
  color: var(--green-950);
  font-size: 12px;
  font-weight: 900;
}

.market-tabs {
  background: rgba(255,255,255,.88);
  border: 1px solid var(--line);
  border-radius: 32px;
  padding: 16px;
  box-shadow: 0 24px 70px rgba(0,29,26,.09);
}
.market-toggle {
  width: min(520px, 100%);
  margin: 0 auto 16px;
  padding: 6px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  background: #eef8f7;
  border: 1px solid rgba(0,29,26,.08);
  border-radius: 999px;
}
.market-button {
  min-height: 44px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: #264552;
  cursor: pointer;
  font-weight: 900;
  font-size: 14px;
}
.market-button.active {
  background: var(--green-950);
  color: #fff;
  box-shadow: 0 12px 28px rgba(0,29,26,.14);
}
.market-panel {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 22px;
  align-items: center;
  padding: 18px;
  border-radius: 24px;
  background: linear-gradient(145deg, #ffffff, #f2fbfa);
  border: 1px solid rgba(0,29,26,.07);
}
.market-panel[hidden] { display: none !important; }
.market-copy { padding: 10px 6px 10px 8px; }
.market-copy h3 {
  font-size: clamp(28px, 3vw, 38px);
  max-width: 620px;
  margin-bottom: 14px;
}
.market-copy > p:not(.tab-label) {
  max-width: 670px;
  color: #48636e;
  font-size: 16px;
  margin-bottom: 20px;
}
.benefit-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.benefit-list li {
  min-height: 92px;
  padding: 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
}
.benefit-list strong {
  display: block;
  color: var(--green-950);
  font-weight: 950;
  line-height: 1.15;
  margin-bottom: 6px;
}
.benefit-list span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}
.market-media {
  margin: 0;
  height: 100%;
  min-height: 280px;
  border-radius: 24px;
  overflow: hidden;
  background: linear-gradient(145deg, #f7fbfa, #e7f4f3);
  border: 1px solid rgba(0,29,26,.08);
  display: grid;
  place-items: center;
}
.market-media img {
  width: 100%;
  height: 100%;
  max-height: 320px;
  object-fit: contain;
}
.market-media.compact-product img { padding: 24px; }
.market-media.urban-media img {
  object-fit: cover;
  max-height: none;
  min-height: 280px;
}

@media (max-width: 900px) {
  .how-grid,
  .market-panel { grid-template-columns: 1fr; }
  .usage-video { order: -1; }
  .market-copy { padding: 4px; }
  .market-media { min-height: 250px; }
  .market-media img { max-height: 280px; }
}

@media (max-width: 560px) {
  .container.narrow { width: min(100% - 28px, 1040px); }
  .market-tabs { padding: 10px; border-radius: 24px; }
  .market-toggle { grid-template-columns: 1fr; border-radius: 22px; }
  .market-panel { padding: 12px; border-radius: 20px; }
  .benefit-list { grid-template-columns: 1fr; }
  .benefit-list li { min-height: auto; }
  .compact-step { grid-template-columns: 42px 1fr; padding: 15px; }
  .usage-video video,
  .product-visual video { max-height: 260px; }
  .market-media { min-height: 220px; }
  .market-media img { max-height: 240px; }
}


/* v8 — respiration entre les blocs sans changer la direction visuelle */
.section {
  padding: 96px 0;
}
.hero {
  padding-top: 68px;
  padding-bottom: 76px;
}
.problem,
.how,
.markets,
.product,
.pilots,
.investors {
  scroll-margin-top: 110px;
}
.section-heading.compact {
  margin-bottom: 46px;
}
.section-heading.centered {
  margin-bottom: 50px;
}
.split {
  gap: clamp(56px, 6vw, 86px);
}
.copy-stack {
  gap: 24px;
}
.how-grid {
  gap: clamp(56px, 6vw, 82px);
}
.steps.vertical {
  gap: 16px;
  margin-top: 34px;
}
.compact-step {
  padding: 22px;
}
.market-tabs {
  margin-top: 6px;
  padding: 20px;
}
.market-toggle {
  margin-bottom: 24px;
}
.market-panel {
  gap: clamp(28px, 4vw, 48px);
  padding: 28px;
}
.market-copy {
  padding: 14px 8px 14px 10px;
}
.market-copy h3 {
  margin-bottom: 18px;
}
.market-copy > p:not(.tab-label) {
  margin-bottom: 28px;
  line-height: 1.65;
}
.benefit-list {
  gap: 14px;
}
.benefit-list li {
  padding: 18px;
  min-height: 112px;
}
.benefit-list strong {
  margin-bottom: 8px;
}
.benefit-list span {
  line-height: 1.5;
}
.product-grid {
  gap: clamp(56px, 6vw, 88px);
}
.spec-list {
  gap: 16px;
  margin-top: 32px;
}
.spec-list div {
  padding: 22px;
}
.investor-card {
  gap: clamp(36px, 5vw, 64px);
  padding: 44px;
}
.contact-panel {
  padding: 32px;
}
.footer {
  padding: 48px 0;
}

@media (max-width: 900px) {
  .section { padding: 78px 0; }
  .hero { padding-top: 58px; padding-bottom: 62px; }
  .hero-grid,
  .split,
  .product-grid,
  .investor-card,
  .tab-panel,
  .how-grid,
  .market-panel { gap: 42px; }
  .section-heading.centered { margin-bottom: 38px; }
  .market-panel { padding: 22px; }
  .benefit-list li { min-height: auto; }
}

@media (max-width: 560px) {
  .section { padding: 68px 0; }
  .hero { padding-top: 54px; padding-bottom: 56px; }
  .market-tabs { padding: 14px; }
  .market-panel { padding: 16px; }
  .compact-step { padding: 18px; }
  .investor-card { padding: 28px; }
}