/* Couche éditoriale de la vitrine publique. La scène Three.js reste gérée par observatory.css. */
.lp {
  --nav-height: 70px;
  --rs-space-2xs: 4px;
  --rs-space-xs: 8px;
  --rs-space-sm: 12px;
  --rs-space-md: 16px;
  --rs-space-lg: 24px;
  --rs-space-xl: 32px;
  --rs-space-2xl: 48px;
  --rs-space-3xl: 64px;
  --rs-space-4xl: 96px;
  --maxw: 1480px;
  --gutter: clamp(20px, 5vw, 80px);
  --s-sec: clamp(72px, 9vw, 144px);
  --rs-night: oklch(0.13 0.02 238);
  --rs-night-raised: oklch(0.17 0.025 236);
  --rs-ink: #FFFFFF;
  --rs-muted: #E2E8F0;
  --rs-signal: oklch(0.7 0.09 220);
  --rs-signal-strong: oklch(0.6 0.105 220);
  --rs-signal-soft: oklch(0.7 0.09 220 / 0.1);
  --rs-signal-paper: var(--rs-signal);
  --rs-paper: oklch(0.12 0.02 238 / 0.45);
  --rs-paper-signal: oklch(0.20 0.035 220 / 0.5);
  --rs-paper-glass: oklch(0.10 0.02 238 / 0.32);
  --rs-paper-strong: oklch(0.12 0.02 238 / 0.38);
  --rs-paper-ink: var(--rs-ink);
  --rs-line-dark: oklch(0.78 0.03 220 / 0.18);
  --rs-line-paper: var(--rs-line-dark);
  --rs-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

.lp .nav {
  border-bottom-color: var(--rs-line-dark);
  background: oklch(0.11 0.02 238 / 0.88);
  backdrop-filter: blur(18px) saturate(125%);
}

.lp .nav__in {
  height: calc(var(--nav-height) + env(safe-area-inset-top, 0px));
}

@media (min-width: 981px) {
  .lp .nav__in {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    gap: clamp(16px, 2vw, 32px);
  }

  .lp .brand {
    justify-self: start;
    margin-right: 0;
  }

  .lp .nav__menu {
    display: contents;
  }

  .lp .nlinks {
    grid-column: 2;
    justify-self: center;
  }

  .lp .nav__cta {
    grid-column: 3;
    justify-self: end;
  }
}

.lp .nlinks {
  align-items: center;
}

.lp .nlinks a {
  position: relative;
  border-radius: 0;
  padding: 10px 12px;
  color: var(--rs-muted);
  font-size: var(--type-control);
  font-weight: 600;
}

.lp .nlinks a:hover {
  color: var(--rs-signal);
  background: transparent;
}

.lp .nlinks a.active {
  color: var(--rs-ink);
  background: transparent;
}

.lp .nlinks a.active::after {
  content: '';
  position: absolute;
  right: 12px;
  bottom: 4px;
  left: 12px;
  height: 2px;
  background: var(--rs-signal);
}

.rs-nav-expertise {
  position: relative;
}

.rs-nav-expertise__row {
  display: flex;
  align-items: center;
}

.rs-nav-expertise__toggle {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--rs-muted);
  cursor: pointer;
  transition: color 180ms ease, transform 240ms var(--rs-ease);
}

.rs-nav-expertise__toggle:hover,
.rs-nav-expertise__toggle[aria-expanded='true'] {
  color: var(--rs-ink);
}

.rs-nav-expertise__toggle[aria-expanded='true'] {
  transform: rotate(180deg);
}

.rs-expertise-menu {
  position: absolute;
  top: calc(100% + 19px);
  left: 50%;
  display: grid;
  grid-template-columns: 150px minmax(360px, 1fr);
  width: min(620px, calc(100vw - 40px));
  border: 1px solid var(--rs-line-dark);
  background: oklch(0.145 0.023 238 / 0.98);
  box-shadow: 0 28px 80px oklch(0.05 0.02 240 / 0.55);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, -10px);
  transition: opacity 220ms ease, transform 220ms var(--rs-ease), visibility 220ms;
}

.rs-expertise-menu.is-open {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

.rs-expertise-menu__label {
  padding: 26px;
  border-right: 1px solid var(--rs-line-dark);
  color: var(--rs-signal);
  font-family: var(--mono);
  font-size: var(--type-caption, .75rem);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.rs-expertise-menu__links {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.lp .rs-expertise-menu__links a {
  min-height: 58px;
  padding: 19px 22px;
  border-right: 1px solid oklch(0.78 0.03 220 / 0.1);
  border-bottom: 1px solid oklch(0.78 0.03 220 / 0.1);
  color: var(--rs-ink);
}

.lp .rs-expertise-menu__links a:hover {
  color: var(--rs-signal);
  background: oklch(0.25 0.04 220 / 0.18);
}

@media (max-width: 980px) {
  .lp .nav__menu {
    top: calc(var(--nav-height) + env(safe-area-inset-top, 0px));
    background: oklch(0.12 0.02 238 / 0.99);
  }

  .lp .nlinks {
    align-items: stretch;
  }

  .rs-nav-expertise__row {
    justify-content: space-between;
  }

  .rs-nav-expertise__row > a {
    flex: 1;
  }

  .rs-nav-expertise__toggle {
    width: 48px;
    height: 48px;
  }

  .rs-expertise-menu {
    position: static;
    grid-template-columns: 1fr;
    width: 100%;
    max-height: 0;
    border: 0;
    box-shadow: none;
    opacity: 1;
    visibility: hidden;
    overflow: hidden;
    transform: none;
    transition: max-height 280ms var(--rs-ease), visibility 0s linear 280ms;
  }

  .rs-expertise-menu.is-open {
    max-height: 420px;
    visibility: visible;
    transform: none;
    transition-delay: 0s;
  }

  .rs-expertise-menu__label {
    padding: 16px 14px 10px;
    border-right: 0;
    border-top: 1px solid var(--rs-line-dark);
  }

  .rs-expertise-menu__links {
    grid-template-columns: 1fr;
  }

  .lp .rs-expertise-menu__links a {
    min-height: 48px;
    padding: 14px;
  }
}

@media (pointer: coarse) {
  .rs-nav-expertise__toggle {
    min-width: 44px;
    min-height: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .rs-nav-expertise__toggle,
  .rs-expertise-menu {
    transition: none;
  }
}

/* ---------- compositions éditoriales ---------- */
.rs-surface-paper {
  position: relative;
  z-index: 4;
  background: oklch(0.10 0.02 238 / 0.32);
  backdrop-filter: blur(10px);
  color: var(--rs-ink);
}

.rs-index-line,
.rs-section-index {
  font-family: var(--mono);
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.rs-eyebrow {
  display: block;
  margin-bottom: 22px;
  font-family: var(--sans);
  font-weight: 600;
  letter-spacing: 0.015em;
  text-transform: none;
  color: var(--rs-signal-paper);
  font-size: var(--type-caption, .75rem);
}

.rs-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-size: var(--type-control);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.rs-button:hover {
  border-color: var(--rs-signal);
}

.lp a.rs-button--signal {
  background: var(--rs-signal);
  color: var(--rs-night);
}

.lp a.rs-button--signal:hover {
  border-color: var(--rs-signal-strong);
  background: var(--rs-signal-strong);
  color: var(--rs-ink);
}

.lp a.rs-button--line {
  border-color: var(--rs-line-dark);
  color: var(--rs-ink);
  background: oklch(0.2 0.03 230 / 0.25);
}

.lp a.rs-button--line:hover {
  border-color: var(--rs-signal);
  background: var(--rs-signal-soft);
  color: var(--rs-ink);
}

.lp a.rs-button--ink {
  background: var(--rs-paper-ink);
  color: var(--rs-paper);
}

.lp a.rs-button--ink:hover {
  border-color: var(--rs-signal-paper);
  background: var(--rs-signal-paper);
  color: var(--rs-paper);
}

.rs-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--rs-space-sm);
  margin-top: var(--rs-space-xl);
}

/* Le titre et son texte d appui se lisent l un apres l autre. En deux colonnes,
   le paragraphe de droite flottait sans alignement avec le reste de la section et
   la phrase se lisait avant le titre sur les ecrans larges. */
.rs-section-heading {
  display: grid;
  gap: var(--rs-space-md, 16px);
  margin-bottom: clamp(var(--rs-space-2xl), 7vw, var(--rs-space-4xl));
}

.rs-section-heading > p {
  max-width: 65ch;
}

.rs-section-heading h2 {
  max-width: 850px;
  margin: 0;
  color: var(--rs-ink);
  font-family: var(--display);
  font-size: clamp(3.2rem, 6.3vw, 6.8rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 0.92;
}

.rs-section-heading > p {
  max-width: 42ch;
  margin: 0 0 4px;
  color: var(--rs-muted);
  font-size: 1rem;
  line-height: 1.75;
}

.rs-section-heading--dark h2 {
  color: var(--rs-ink);
}

.rs-section-heading--dark > p {
  color: var(--rs-muted);
}

/* ---------- hero avec Terre partagée ---------- */
.lp .rs-hero {
  position: relative;
  z-index: 3;
  display: flex;
  min-height: calc(100vh - 70px);
  min-height: calc(100dvh - 70px);
  overflow: hidden;
  background: transparent;
}

.rs-hero__layout {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  align-items: center;
  min-height: inherit;
  padding-block: clamp(72px, 10vh, 144px) 112px;
}

.rs-hero__copy {
  position: relative;
  z-index: 6;
  grid-column: 1;
  max-width: 760px;
}

.rs-hero__copy::before {
  display: none;
}

.rs-index-line {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: clamp(22px, 5vw, 72px);
  max-width: 620px;
  color: var(--rs-signal);
  font-size: var(--type-caption, .75rem);
}

.lp .rs-hero h1 {
  max-width: 7.2ch;
  margin: 26px 0 0;
  color: var(--rs-ink);
  font-size: clamp(4.4rem, 8.2vw, 8.8rem);
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 0.88;
  text-shadow: 0 2px 24px oklch(0.05 0.02 238 / .55);
}

.lp .rs-hero h1 em {
  color: var(--rs-signal);
}

.lp .hero:not(.rs-hero):not(.rs-subhero) h1 {
  max-width: 12ch;
  font-size: clamp(2.8rem, 5.2vw, 4.8rem);
  font-weight: 700;
  letter-spacing: -.045em;
  line-height: .98;
}

.lp .hero:not(.rs-hero):not(.rs-subhero) h1 em {
  color: var(--rs-signal);
}

.rs-hero__copy > p {
  max-width: 50ch;
  margin: 28px 0 0;
  color: #E2E8F0;
  font-size: clamp(1rem, 1.25vw, var(--type-lead));
  line-height: var(--leading-reading);
  text-shadow: 0 2px 18px oklch(0.05 0.02 238 / .55);
}

.rs-hero__telemetry {
  position: absolute;
  z-index: 6;
  right: var(--gutter);
  bottom: 28px;
  left: var(--gutter);
  display: flex;
  justify-content: flex-end;
  gap: clamp(18px, 4vw, 58px);
  padding-top: 18px;
  border-top: 1px solid var(--rs-line-dark);
  color: oklch(0.65 0.025 220);
  font-family: var(--mono);
  font-size: var(--type-caption, .75rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rs-hero__telemetry b {
  margin-right: 7px;
  color: var(--rs-signal);
  font-weight: 700;
}

.rs-section-index {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 520px;
  padding: clamp(28px, 4vw, 54px);
  border-right: 1px solid var(--rs-line-paper);
  color: var(--rs-signal-paper);
  font-size: var(--type-caption, .75rem);
}

.rs-section-index span {
  font-size: clamp(3.2rem, 7vw, 7rem);
  letter-spacing: -0.08em;
  line-height: 0.8;
}

/* ---------- continuation Terre centrale ---------- */
.rs-earth-continuum {
  position: relative;
  z-index: 3;
}

.rs-orbit {
  position: relative;
  padding-block: clamp(86px, 11vw, 160px) clamp(24px, 2.5vw, 36px);
  overflow: hidden;
  background: transparent;
  color: var(--rs-ink);
}

.rs-orbit__scene {
  position: relative;
  display: grid;
  grid-template-columns: minmax(260px, .72fr) minmax(0, 1.28fr);
  gap: clamp(38px, 7vw, 132px);
}

.rs-orbit__intro {
  align-self: start;
  padding: clamp(24px, 3vw, 38px);
  border: 1px solid var(--rs-line-dark);
  border-radius: 2px;
  background: linear-gradient(135deg, oklch(0.15 0.025 238 / 0.52), oklch(0.10 0.02 238 / 0.40));
  box-shadow: 0 18px 48px oklch(0.02 0.01 238 / 0.35);
  backdrop-filter: blur(12px);
}

.rs-orbit__intro h2 {
  max-width: 10ch;
  margin: 0;
  color: var(--rs-ink);
  font-family: var(--display);
  font-size: clamp(3.8rem, 6.2vw, 6.8rem);
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 0.9;
}

.rs-orbit__intro p {
  max-width: 45ch;
  margin: 26px 0 0;
  color: #E2E8F0;
  font-size: var(--type-body);
  line-height: var(--leading-reading);
  text-shadow: none;
}

.rs-orbit__switcher {
  display: grid;
  grid-template-columns: minmax(220px, .68fr) minmax(0, 1.15fr);
  gap: clamp(18px, 3vw, 42px);
  align-items: start;
}

.rs-orbit__controls {
  display: grid;
  gap: 8px;
}

.rs-orbit__details {
  display: grid;
  min-width: 0;
}

.rs-orbit__details article {
  min-height: 330px;
  padding: clamp(28px, 4vw, 52px);
  border: 1px solid var(--rs-line-dark);
  border-radius: 2px;
  background: linear-gradient(135deg, oklch(0.15 0.025 238 / 0.52), oklch(0.10 0.02 238 / 0.40));
  box-shadow: 0 20px 56px oklch(0.02 0.01 238 / 0.40);
  backdrop-filter: blur(12px);
}

.rs-orbit__details small,
.rs-orbit__proof small {
  color: var(--rs-signal-paper);
  font-family: var(--mono);
  font-size: var(--type-caption, .75rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.rs-orbit__proof small {
  color: #80c7e6;
}

.rs-orbit__details h3 {
  max-width: 13ch;
  margin: 0 0 18px;
  color: var(--rs-ink);
  font-family: var(--display);
  font-size: clamp(2.2rem, 3.5vw, 3.8rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 0.96;
}

.rs-orbit__details p {
  max-width: 38ch;
  margin: 0;
  color: #E2E8F0;
  font-size: var(--type-body);
  line-height: var(--leading-reading);
}

.lp .rs-orbit__details a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 24px;
  color: var(--rs-signal);
  font-size: var(--type-meta);
  font-weight: 700;
}

.lp .rs-orbit__details a:hover {
  color: #fff;
}

.rs-orbit__controls button {
  position: relative;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  min-height: 66px;
  border: 1px solid var(--rs-line-dark);
  border-radius: 2px;
  padding: 14px 16px;
  background: oklch(0.14 0.02 238 / 0.45);
  backdrop-filter: blur(8px);
  color: var(--rs-ink);
  font-size: var(--type-meta);
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease, transform 180ms var(--rs-ease);
}

.rs-orbit__controls button::before {
  content: '0' counter(expertise);
  counter-increment: expertise;
  color: var(--rs-signal);
  font-family: var(--mono);
  font-size: var(--type-caption, .75rem);
  letter-spacing: 0.08em;
}

.rs-orbit__controls { counter-reset: expertise; }

.rs-orbit__controls button:hover,
.rs-orbit__controls button:focus-visible {
  border-color: var(--rs-signal);
  background: oklch(0.20 0.03 238 / 0.65);
  color: #fff;
  transform: translateX(4px);
}

.rs-orbit__controls button[aria-selected='true'] {
  border-color: var(--rs-signal);
  background: oklch(0.24 0.035 220 / 0.70);
  color: #fff;
  box-shadow: inset 0 0 20px oklch(0.7 0.09 220 / 0.18);
}

.rs-orbit__proof {
  border-top: 1px solid rgba(255, 255, 255, .10);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
  background: rgba(255, 255, 255, .025);
}

.foot--proof {
  padding-top: 0;
}

.rs-orbit__proof > .wrap {
  display: grid;
  grid-template-columns: repeat(3, minmax(150px, 1fr)) minmax(220px, 1.15fr);
  gap: clamp(24px, 4vw, 68px);
  padding-block: 28px;
}

.rs-orbit__proof > .wrap > div {
  display: grid;
  gap: 5px;
}

.rs-orbit__proof strong,
.rs-orbit__proof span {
  display: block;
}

.rs-orbit__proof strong {
  color: #f0f5fb;
  font-size: var(--type-control, .875rem);
}

.rs-orbit__proof span {
  color: #aab7c8;
  font-size: var(--type-caption);
}

.lp .rs-orbit__proof > .wrap > a {
  justify-self: end;
  color: #f0f5fb;
  text-align: right;
}

.rs-orbit__proof > .wrap > a span {
  margin-bottom: 7px;
  color: #aab7c8;
}

.rs-orbit__proof > .wrap > a strong {
  font-size: 1rem;
}

.rs-orbit__proof > .wrap > a i {
  margin-left: 8px;
  color: #80c7e6;
}

/* ---------- bandeau indicateurs télécom ---------- */
.rs-telecom-metrics {
  position: relative;
  z-index: 5;
  border-top: 1px solid var(--rs-line-dark);
  border-bottom: 1px solid var(--rs-line-dark);
  background: oklch(0.12 0.02 238 / 0.38);
  backdrop-filter: blur(8px);
}

.rs-telecom-metrics__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(16px, 2.5vw, 36px);
  padding-block: clamp(20px, 2.8vw, 32px);
}

.rs-metric-item {
  display: grid;
  gap: 4px;
  padding-inline: clamp(10px, 1.2vw, 20px);
  border-left: 1px solid var(--rs-line-dark);
}

.rs-metric-item:first-child {
  border-left: 0;
  padding-left: 0;
}

.rs-metric-item__num {
  color: var(--rs-ink);
  font-family: var(--display);
  font-size: clamp(1.4rem, 2vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.rs-metric-item__label {
  color: var(--rs-signal);
  font-family: var(--mono);
  font-size: var(--type-caption, 0.75rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rs-metric-item__sub {
  color: var(--rs-muted);
  font-size: var(--type-meta, 0.8125rem);
  line-height: 1.4;
}

/* ---------- orbit tags & badges enrichis ---------- */
.rs-orbit__badge {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--rs-signal-paper);
  font-family: var(--mono);
  font-size: var(--type-caption, 0.75rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.rs-orbit__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 18px;
}

.rs-orbit__tags span {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border: 1px solid var(--rs-line-dark);
  border-radius: 2px;
  background: oklch(0.18 0.025 238 / 0.50);
  color: var(--rs-ink);
  font-family: var(--mono);
  font-size: var(--type-caption, .75rem);
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ---------- cycle d ingénierie télécom ---------- */
.rs-lifecycle {
  position: relative;
  z-index: 4;
  padding-block: clamp(68px, 8vw, 128px);
  border-top: 1px solid var(--rs-line-dark);
  background: oklch(0.10 0.02 238 / 0.28);
  backdrop-filter: blur(8px);
}

.rs-lifecycle .rs-section-heading h2 {
  color: var(--rs-ink);
}

.rs-lifecycle .rs-section-heading > p {
  color: var(--rs-muted);
}

.rs-lifecycle__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 28px);
}

.rs-lifecycle__step {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(22px, 2.5vw, 32px);
  border: 1px solid var(--rs-line-dark);
  border-radius: 2px;
  background: oklch(0.14 0.02 238 / 0.38);
  backdrop-filter: blur(6px);
  transition: border-color 200ms ease, background 200ms ease, transform 200ms var(--rs-ease);
}

.rs-lifecycle__step:hover {
  border-color: var(--rs-signal);
  background: oklch(0.18 0.025 238 / 0.55);
  transform: translateY(-2px);
}

.rs-lifecycle__step-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rs-line-dark);
}

.rs-lifecycle__num {
  color: var(--rs-signal);
  font-family: var(--mono);
  font-size: clamp(1.2rem, 1.8vw, 1.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.rs-lifecycle__tag {
  padding: 2px 8px;
  border: 1px solid var(--rs-line-dark);
  border-radius: 2px;
  color: var(--rs-muted);
  font-family: var(--mono);
  font-size: var(--type-caption, .75rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.rs-lifecycle__step h3 {
  margin: 0 0 12px;
  color: var(--rs-ink);
  font-family: var(--display);
  font-size: clamp(1.15rem, 1.4vw, 1.4rem);
  font-weight: 700;
  line-height: 1.2;
}

.rs-lifecycle__step p {
  margin: 0 0 16px;
  color: var(--rs-muted);
  font-size: var(--type-meta, 0.8125rem);
  line-height: 1.6;
  flex-grow: 1;
}

.rs-lifecycle__list {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--rs-line-dark);
  list-style: none;
}

.rs-lifecycle__list li {
  position: relative;
  padding-left: 16px;
  color: #E2E8F0;
  font-size: 0.78rem;
  line-height: 1.4;
}

.rs-lifecycle__list li::before {
  content: '';
  position: absolute;
  top: 7px;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--rs-signal);
}

/* ---------- secteurs critiques ---------- */
.rs-sectors {
  position: relative;
  z-index: 4;
  padding-block: clamp(68px, 8vw, 128px);
  border-top: 1px solid var(--rs-line-dark);
  background: oklch(0.08 0.02 238 / 0.28);
  backdrop-filter: blur(8px);
}

.rs-sectors .rs-section-heading h2 {
  color: var(--rs-ink);
}

.rs-sectors .rs-section-heading > p {
  color: var(--rs-muted);
}

.rs-sectors__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 28px);
}

.rs-sector-card {
  display: flex;
  flex-direction: column;
  padding: clamp(24px, 3vw, 36px);
  border: 1px solid var(--rs-line-dark);
  border-radius: 2px;
  background: oklch(0.13 0.02 238 / 0.38);
  backdrop-filter: blur(6px);
  transition: border-color 200ms ease, background 200ms ease, transform 200ms var(--rs-ease);
}

.rs-sector-card:hover {
  border-color: var(--rs-signal);
  background: oklch(0.17 0.025 238 / 0.55);
  transform: translateY(-2px);
}

.rs-sector-card__badge {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--rs-signal);
  font-family: var(--mono);
  font-size: var(--type-caption, .75rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.rs-sector-card h3 {
  margin: 0 0 12px;
  color: var(--rs-ink);
  font-family: var(--display);
  font-size: clamp(1.2rem, 1.5vw, 1.5rem);
  font-weight: 700;
  line-height: 1.18;
}

.rs-sector-card p {
  margin: 0 0 18px;
  color: var(--rs-muted);
  font-size: var(--type-meta, 0.8125rem);
  line-height: 1.6;
  flex-grow: 1;
}

.rs-sector-card__meta {
  padding-top: 14px;
  border-top: 1px solid var(--rs-line-dark);
  color: var(--rs-signal);
  font-family: var(--mono);
  font-size: var(--type-caption, .75rem);
  letter-spacing: 0.04em;
}

/* ---------- atouts & engagements ---------- */
.rs-values {
  position: relative;
  z-index: 4;
  padding-block: clamp(68px, 8vw, 128px);
  border-top: 1px solid var(--rs-line-dark);
  background: oklch(0.11 0.02 238 / 0.28);
  backdrop-filter: blur(8px);
}

.rs-values .rs-section-heading h2 {
  color: var(--rs-ink);
}

.rs-values .rs-section-heading > p {
  color: var(--rs-muted);
}

.rs-values__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 36px);
}

.rs-value-card {
  padding: clamp(26px, 3vw, 40px);
  border: 1px solid var(--rs-line-dark);
  border-radius: 2px;
  background: oklch(0.14 0.02 238 / 0.38);
  backdrop-filter: blur(6px);
  transition: border-color 200ms ease, background 200ms ease;
}

.rs-value-card:hover {
  border-color: var(--rs-signal);
  background: oklch(0.18 0.025 238 / 0.55);
}

.rs-value-card__index {
  margin-bottom: 16px;
  color: var(--rs-signal);
  font-family: var(--mono);
  font-size: var(--type-caption, 0.75rem);
  font-weight: 700;
  letter-spacing: 0.1em;
}

.rs-value-card h3 {
  margin: 0 0 14px;
  color: var(--rs-ink);
  font-family: var(--display);
  font-size: clamp(1.25rem, 1.6vw, 1.6rem);
  font-weight: 700;
  line-height: 1.2;
}

.rs-value-card p {
  margin: 0;
  color: var(--rs-muted);
  font-size: var(--type-meta, 0.8125rem);
  line-height: 1.65;
}

/* ---------- double appel à l action ---------- */
.rs-dual-cta {
  position: relative;
  z-index: 4;
  padding-block: clamp(68px, 8vw, 120px);
  border-top: 1px solid var(--rs-line-dark);
  background: oklch(0.09 0.02 238 / 0.28);
  backdrop-filter: blur(8px);
}

.rs-dual-cta__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 3.5vw, 48px);
}

.rs-cta-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(32px, 4vw, 56px);
  border: 1px solid var(--rs-line-dark);
  border-radius: 2px;
  background: oklch(0.13 0.022 238 / 0.40);
  backdrop-filter: blur(8px);
}

.rs-cta-card--client {
  border-color: oklch(0.7 0.09 220 / 0.35);
  background: linear-gradient(145deg, oklch(0.16 0.03 238 / 0.48), oklch(0.11 0.02 238 / 0.38));
}

.rs-cta-pill {
  display: inline-block;
  align-self: flex-start;
  margin-bottom: 18px;
  padding: 4px 10px;
  border: 1px solid var(--rs-line-dark);
  border-radius: 2px;
  color: var(--rs-signal);
  font-family: var(--mono);
  font-size: var(--type-caption, .75rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.rs-cta-card h3 {
  margin: 0 0 16px;
  color: var(--rs-ink);
  font-family: var(--display);
  font-size: clamp(1.6rem, 2.4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.rs-cta-card p {
  margin: 0 0 28px;
  color: #E2E8F0;
  font-size: var(--type-body);
  line-height: 1.6;
}

.rs-cta-card__action {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 980px) {

  .rs-hero__layout {
    grid-template-columns: 1fr;
  }

  .rs-hero__copy {
    max-width: 680px;
  }

  .rs-hero__telemetry {
    justify-content: flex-start;
  }

  .rs-section-index {
    flex-direction: row;
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--rs-line-paper);
  }

  .rs-section-index span {
    font-size: 3rem;
  }

  .rs-orbit__scene {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .rs-orbit__proof > .wrap {
    grid-template-columns: repeat(2, 1fr);
  }

  .lp .rs-orbit__proof > .wrap > a {
    justify-self: start;
    text-align: left;
  }

  .rs-telecom-metrics__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .rs-metric-item:nth-child(3) {
    border-left: 0;
    padding-left: 0;
  }

  .rs-lifecycle__grid,
  .rs-sectors__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .rs-values__grid {
    grid-template-columns: 1fr;
  }

  .rs-dual-cta__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .lp .rs-hero {
    min-height: 900px;
  }

  .rs-hero__layout {
    align-items: start;
    padding-top: 70px;
    padding-bottom: 170px;
  }

  .lp .rs-hero h1 {
    max-width: 7ch;
    font-size: clamp(3.4rem, 16vw, 5.1rem);
  }

  .rs-hero__copy > p {
    max-width: 36ch;
    font-size: var(--type-body);
  }

  .rs-actions {
    display: grid;
  }

  .rs-button {
    width: 100%;
  }

  .rs-hero__telemetry {
    display: grid;
    gap: 9px;
  }

  .rs-orbit__intro h2 {
    max-width: 10ch;
    font-size: clamp(3.4rem, 15vw, 4.9rem);
  }

  .rs-orbit__intro p {
    max-width: 34ch;
    font-size: var(--type-body);
  }

  .rs-orbit {
    padding-block: 68px 52px;
  }

  .rs-orbit__switcher {
    grid-template-columns: 1fr;
  }

  .rs-orbit__controls {
    grid-template-columns: 1fr 1fr;
  }

  .rs-orbit__controls button:last-child {
    grid-column: 1 / -1;
  }

  .rs-orbit__details article {
    min-height: 0;
  }

  .rs-orbit__proof > .wrap {
    grid-template-columns: 1fr 1fr;
    gap: 24px 18px;
    padding-block: 26px;
  }

  .rs-orbit__proof > .wrap > a {
    grid-column: 1 / -1;
  }

  .rs-telecom-metrics__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .rs-metric-item {
    border-left: 0;
    padding-left: 0;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--rs-line-dark);
  }

  .rs-metric-item:last-child {
    border-bottom: 0;
    padding-bottom: 0;
  }

  .rs-lifecycle__grid,
  .rs-sectors__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) and (max-height: 520px) and (orientation: landscape) {
  .lp .rs-hero {
    min-height: 620px;
  }

  .rs-hero__layout {
    padding-top: 44px;
    padding-bottom: 130px;
  }

  .lp .rs-hero h1 {
    font-size: clamp(3rem, 12vw, 4.4rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .rs-button,
  .rs-orbit__controls button {
    transition: none;
  }
}