@font-face {
  font-family: "Manrope";
  src: url("fonts/manrope.woff2") format("woff2");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}

:root {
  --night: #060508;
  --ink: #15101e;
  --ink-soft: #241c31;
  --violet: #21152f;
  --gold: #cb964d;
  --bronze: #8a5a26;
  --paper: #fcfafa;
  --paper-2: #f4f0ea;
  --white: #ffffff;
  --stone: #b5ad9b;
  --muted: #6d6579;
  --cyan: #8fd8e8;
  --line: rgba(21, 16, 30, 0.13);
  --line-strong: rgba(21, 16, 30, 0.26);
  --line-dark: rgba(252, 250, 250, 0.16);
  --line-dark-strong: rgba(252, 250, 250, 0.32);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.4, 0.2, 0.2, 1);
  --container: 1240px;
  --gutter: clamp(20px, 4vw, 48px);
  --radius-card: 22px;
  --radius-sm: 14px;
  --header-h: 78px;
  --shadow-card: 0 1px 0 rgba(21, 16, 30, 0.04), 0 24px 48px -32px rgba(21, 16, 30, 0.28);
  --shadow-float: 0 30px 80px -40px rgba(21, 16, 30, 0.45);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Manrope", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  overflow-x: clip;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img,
svg,
canvas {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

h1,
h2,
h3,
h4,
p,
figure,
blockquote,
ul,
ol {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

::selection {
  background: rgba(203, 150, 77, 0.28);
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -100px;
  z-index: 200;
  background: var(--white);
  color: var(--ink);
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: min(100% - 2 * var(--gutter), var(--container));
  margin-inline: auto;
}

.section {
  padding-block: clamp(72px, 8.5vw, 128px);
}

.section--tight {
  padding-block: clamp(56px, 6vw, 88px);
}

.section--paper-2 {
  background: var(--paper-2);
}

.section--ink {
  background: var(--night);
  color: var(--paper);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bronze);
}

.eyebrow::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
  flex: none;
}

.section--ink .section-head__aside {
  color: #938aa3;
}

.section--ink .eyebrow {
  color: var(--gold);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  gap: clamp(24px, 4vw, 72px);
  align-items: end;
  margin-bottom: clamp(40px, 5vw, 64px);
}

.section-head__title {
  font-size: clamp(1.9rem, 3vw, 2.9rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.08;
  text-wrap: balance;
  margin-top: 18px;
  max-width: 20ch;
}

.section-head__aside {
  font-size: 15px;
  line-height: 1.65;
  color: var(--muted);
  max-width: 46ch;
  padding-bottom: 6px;
}

.section-head__aside a {
  color: var(--ink);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 1px;
  transition: border-color 0.2s, color 0.2s;
}

.section-head__aside a:hover {
  color: var(--bronze);
  border-color: var(--bronze);
}

.rule {
  height: 1px;
  background: var(--line);
  border: 0;
  margin: 0;
}

/* ---------- Boutons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 46px;
  padding: 0 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.005em;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background-color 0.25s, border-color 0.25s, color 0.25s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn .icon {
  width: 16px;
  height: 16px;
  flex: none;
  transition: transform 0.25s var(--ease);
}

.btn:hover .icon {
  transform: translateX(2px);
}

.btn--light {
  background: var(--white);
  color: var(--ink);
}

.btn--light:hover {
  background: #f3ebdd;
}

.btn--outline {
  border-color: var(--line-dark-strong);
  color: var(--paper);
  background: transparent;
}

.btn--outline:hover {
  border-color: var(--paper);
  background: rgba(252, 250, 250, 0.05);
}

.btn--dark {
  background: #171323;
  color: var(--white);
}

.btn--dark:hover {
  background: #241c31;
}

.btn--outline-dark {
  border-color: var(--line-strong);
  color: var(--ink);
}

.btn--outline-dark:hover {
  border-color: var(--ink);
}

.btn--header {
  height: 40px;
  padding: 0 20px;
  font-size: 12px;
  font-weight: 600;
  background: var(--white);
  color: var(--ink);
}

.site-header--solid .btn--header {
  background: #171323;
  color: var(--white);
}

.btn--sm {
  height: 40px;
  padding: 0 20px;
  font-size: 12px;
}

.btn--block {
  width: 100%;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}

.link-arrow .icon {
  width: 15px;
  height: 15px;
  transition: transform 0.25s var(--ease);
}

.link-arrow:hover .icon {
  transform: translateX(3px);
}

.section--ink .link-arrow {
  color: var(--paper);
}

.icon {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ---------- En-tête ---------- */

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 60;
  padding-block: 16px;
  color: var(--paper);
}

.site-header--solid {
  position: sticky;
  top: 0;
  color: var(--ink);
  background: rgba(252, 250, 250, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s, padding 0.3s;
}

.site-header--solid.is-scrolled {
  border-bottom-color: var(--line);
  padding-block: 10px;
}

.site-header.is-fixed {
  position: fixed;
  background: rgba(6, 5, 8, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(252, 250, 250, 0.08);
  padding-block: 10px;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 44px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: none;
}

.brand__mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: #0a0a0a;
  border: 1px solid rgba(203, 150, 77, 0.35);
  display: grid;
  place-items: center;
}

.brand__mark svg {
  width: 22px;
  height: 22px;
}

.brand__name {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.05;
}

.brand__name span {
  display: block;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--stone);
  margin-top: 3px;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.4vw, 32px);
  margin-inline: auto;
}

.nav a {
  font-size: 12.5px;
  font-weight: 500;
  opacity: 0.76;
  transition: opacity 0.2s, color 0.2s;
  position: relative;
  padding-block: 4px;
}

.nav a:hover {
  opacity: 1;
}

.nav a[aria-current="page"] {
  opacity: 1;
}

.nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 1px;
  background: var(--gold);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: none;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid var(--line-dark-strong);
  background: transparent;
  color: inherit;
  place-items: center;
  cursor: pointer;
}

.site-header--solid .menu-toggle {
  border-color: var(--line-strong);
}

.menu-toggle .icon {
  width: 18px;
  height: 18px;
}

.menu-toggle .icon-close {
  display: none;
}

.menu-open .menu-toggle .icon-open {
  display: none;
}

.menu-open .menu-toggle .icon-close {
  display: block;
}

/* ---------- Menu mobile ---------- */

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 55;
  background: var(--night);
  color: var(--paper);
  display: flex;
  flex-direction: column;
  padding: 96px var(--gutter) 40px;
  visibility: hidden;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.3s var(--ease-soft), transform 0.3s var(--ease-soft), visibility 0.3s;
}

.menu-open .mobile-menu {
  visibility: visible;
  opacity: 1;
  transform: none;
}

.mobile-menu nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 12px;
}

.mobile-menu nav a {
  font-size: clamp(1.7rem, 7vw, 2.4rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  padding-block: 12px;
  border-bottom: 1px solid var(--line-dark);
}

.mobile-menu .btn {
  margin-top: 28px;
  align-self: flex-start;
}

.mobile-menu__meta {
  margin-top: auto;
  padding-top: 32px;
  font-size: 12px;
  color: var(--stone);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.menu-open {
  overflow: hidden;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  background: var(--night);
  color: var(--paper);
  overflow: hidden;
  min-height: min(100svh, 980px);
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-h) + clamp(56px, 9vh, 104px));
  padding-bottom: clamp(56px, 8vh, 96px);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(70% 60% at 78% 42%, rgba(203, 150, 77, 0.13), transparent 62%),
    radial-gradient(50% 50% at 66% 60%, rgba(92, 58, 138, 0.22), transparent 70%),
    linear-gradient(180deg, #060508 0%, #0a0710 62%, #060508 100%);
  pointer-events: none;
}

.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(16px, 2vw, 28px);
  align-items: center;
}

.hero__copy {
  grid-column: 1 / span 6;
  position: relative;
  z-index: 3;
  padding-block: 12px;
}

.hero__title {
  font-size: clamp(2.5rem, 4.5vw, 4.5rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1.04;
  text-wrap: balance;
  margin-top: clamp(20px, 2.4vw, 30px);
  max-width: 13.5ch;
}

.hero__title em {
  font-style: normal;
  color: var(--gold);
}

.hero__sub {
  margin-top: clamp(20px, 2.2vw, 28px);
  font-size: clamp(0.95rem, 1.15vw, 1.08rem);
  line-height: 1.65;
  color: rgba(252, 250, 250, 0.72);
  max-width: 46ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(28px, 3vw, 38px);
}

.hero__meta {
  margin-top: clamp(36px, 5vh, 56px);
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(181, 173, 155, 0.9);
}

.hero__meta::before {
  content: "";
  width: 34px;
  height: 1px;
  background: rgba(181, 173, 155, 0.4);
}

.hero__visual {
  position: absolute;
  top: 50%;
  right: -20px;
  transform: translateY(-50%);
  width: min(46vw, 560px);
  aspect-ratio: 1;
  z-index: 1;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 48%, rgba(0,0,0,0.85) 58%, transparent 74%);
  mask-image: radial-gradient(circle at 50% 50%, #000 48%, rgba(0,0,0,0.85) 58%, transparent 74%);
}

.hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, transparent 42%, rgba(6, 5, 8, 0.55) 72%, var(--night) 84%);
  pointer-events: none;
}

.hero__poster,
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.hero__poster {
  opacity: 0.92;
}

.hero__canvas {
  opacity: 0;
  transition: opacity 1.1s var(--ease-soft);
}

.hero__visual.is-live .hero__canvas {
  opacity: 1;
}

.hero__scroll {
  position: absolute;
  left: var(--gutter);
  bottom: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(181, 173, 155, 0.72);
  z-index: 4;
}

.hero__scroll .icon {
  width: 14px;
  height: 14px;
  animation: drift 2.6s var(--ease-soft) infinite;
}

@keyframes drift {
  0%, 100% { transform: translateY(0); opacity: 0.6; }
  50% { transform: translateY(4px); opacity: 1; }
}

/* ---------- Pôles ---------- */

.poles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-block: 1px solid var(--line);
}

.pole {
  background: var(--paper);
  padding: clamp(26px, 3vw, 40px);
  display: flex;
  flex-direction: column;
  min-height: 320px;
  transition: background-color 0.3s;
}

.pole:hover {
  background: #fff;
}

.pole__num {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--bronze);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pole__num .icon {
  width: 22px;
  height: 22px;
  color: var(--gold);
}

.pole__title {
  font-size: clamp(1.25rem, 1.7vw, 1.55rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.16;
  margin-top: auto;
  padding-top: 48px;
}

.pole__text {
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
  margin-top: 12px;
}

.pole__link {
  margin-top: 22px;
}

/* ---------- Cartes solutions ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(14px, 1.6vw, 20px);
}

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

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: clamp(22px, 2.4vw, 30px);
  min-height: 268px;
  transition: transform 0.35s var(--ease), box-shadow 0.35s, border-color 0.35s;
  overflow: hidden;
}

.card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--gold), transparent);
  transition: width 0.5s var(--ease);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: var(--line-strong);
}

.card:hover::after {
  width: 100%;
}

.card__icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--paper-2);
  display: grid;
  place-items: center;
  color: var(--bronze);
}

.card__icon .icon {
  width: 20px;
  height: 20px;
}

.card__title {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-top: 22px;
}

.card__text {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--muted);
  margin-top: 10px;
}

.card__foot {
  margin-top: auto;
  padding-top: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card__arrow {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  transition: background-color 0.25s, border-color 0.25s, color 0.25s;
  flex: none;
}

.card__arrow .icon {
  width: 14px;
  height: 14px;
}

.card:hover .card__arrow {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

/* ---------- Statuts ---------- */

.status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--muted);
  white-space: nowrap;
}

.status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex: none;
}

.status--prod {
  color: #2f6f4f;
}

.status--prod-int {
  color: #3d6a8a;
}

.status--pilot {
  color: #a06a1f;
}

.status--ready {
  color: #5b4a8a;
}

.status--rnd {
  color: #7a6f63;
}

.section--ink .status {
  color: rgba(252, 250, 250, 0.72);
}

/* ---------- Réalisations ---------- */

.cases {
  border-top: 1px solid var(--line);
}

.case {
  display: grid;
  grid-template-columns: 1.1fr 1.6fr auto 40px;
  gap: clamp(16px, 2.4vw, 40px);
  align-items: center;
  padding-block: clamp(22px, 2.4vw, 30px);
  border-bottom: 1px solid var(--line);
  transition: background-color 0.25s;
}

.case:hover {
  background: rgba(255, 255, 255, 0.6);
}

.case__name {
  font-size: clamp(1.05rem, 1.3vw, 1.2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.case__desc {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.55;
}

.case__arrow {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  justify-self: end;
  transition: background-color 0.25s, color 0.25s, border-color 0.25s;
}

.case__arrow .icon {
  width: 14px;
  height: 14px;
}

.case:hover .case__arrow {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

/* ---------- Méthode ---------- */

.method {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-dark);
  border-block: 1px solid var(--line-dark);
}

.method__step {
  background: var(--night);
  padding: clamp(24px, 2.6vw, 34px);
  min-height: 250px;
  display: flex;
  flex-direction: column;
}

.method__num {
  font-size: 11px;
  letter-spacing: 0.16em;
  font-weight: 600;
  color: var(--gold);
}

.method__title {
  margin-top: auto;
  padding-top: 40px;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.method__text {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(252, 250, 250, 0.6);
}

/* ---------- Architecture / sécurité ---------- */

.security {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(28px, 4vw, 72px);
  align-items: start;
}

.security__panel {
  background: linear-gradient(160deg, #1a1226 0%, #0d0913 100%);
  border: 1px solid rgba(203, 150, 77, 0.18);
  border-radius: var(--radius-card);
  padding: clamp(26px, 3vw, 40px);
  color: var(--paper);
}

.security__list {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin-top: 28px;
}

.security__item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 16px;
}

.security__item .icon {
  width: 20px;
  height: 20px;
  color: var(--gold);
  margin-top: 3px;
}

.security__item h3 {
  font-size: 14px;
  font-weight: 600;
}

.security__item p {
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(252, 250, 250, 0.62);
  margin-top: 4px;
}

.security__note {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--line-dark);
  font-size: 11.5px;
  line-height: 1.6;
  color: rgba(181, 173, 155, 0.8);
}

.security__copy h2 {
  font-size: clamp(1.8rem, 2.6vw, 2.5rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.1;
  margin-top: 16px;
  text-wrap: balance;
}

.security__copy p {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
  margin-top: 18px;
  max-width: 42ch;
}

.checklist {
  margin-top: 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.checklist li {
  display: flex;
  gap: 12px;
  font-size: 13.5px;
  align-items: flex-start;
}

.checklist .icon {
  width: 16px;
  height: 16px;
  color: var(--bronze);
  flex: none;
  margin-top: 3px;
}

/* ---------- Entreprise ---------- */

.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 88px);
  align-items: start;
}

.about__title {
  font-size: clamp(1.8rem, 2.8vw, 2.7rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.1;
  text-wrap: balance;
  margin-top: 16px;
}

.about__body {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.about__body p + p {
  margin-top: 16px;
}

.about__facts {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.about__fact {
  background: var(--paper);
  padding: 18px 20px;
}

.about__fact dt {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bronze);
}

.about__fact dd {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.4;
}

/* ---------- Bande CTA ---------- */

.cta {
  position: relative;
  background: var(--night);
  color: var(--paper);
  overflow: hidden;
}

.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 90% at 82% 30%, rgba(203, 150, 77, 0.16), transparent 60%),
    radial-gradient(50% 80% at 20% 80%, rgba(107, 66, 158, 0.18), transparent 65%);
  pointer-events: none;
}

.cta__inner {
  position: relative;
  padding-block: clamp(72px, 9vw, 128px);
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: clamp(28px, 4vw, 64px);
  align-items: end;
}

.cta__title {
  font-size: clamp(2.1rem, 4vw, 3.6rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1.06;
  text-wrap: balance;
  max-width: 18ch;
  margin-top: 18px;
}

.cta__side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  max-width: 34ch;
}

.cta__side p {
  font-size: 13.5px;
  line-height: 1.65;
  color: rgba(252, 250, 250, 0.62);
}

/* ---------- Footer ---------- */

.site-footer {
  background: #07060a;
  color: var(--paper);
  padding-top: clamp(56px, 6vw, 80px);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: clamp(28px, 4vw, 56px);
  padding-bottom: clamp(40px, 5vw, 56px);
}

.footer-brand p {
  margin-top: 18px;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(252, 250, 250, 0.55);
  max-width: 32ch;
}

.footer-col h2,
.footer-col h3 {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--stone);
}

.footer-col ul {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-col a,
.footer-col li {
  font-size: 12.5px;
  color: rgba(252, 250, 250, 0.72);
  line-height: 1.5;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--gold);
}

.footer-bottom {
  border-top: 1px solid var(--line-dark);
  padding-block: 22px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 11px;
  color: rgba(181, 173, 155, 0.7);
}

.footer-bottom ul {
  display: flex;
  gap: 18px;
}

.footer-bottom a:hover {
  color: var(--gold);
}

/* ---------- Pages intérieures ---------- */

.page-hero {
  position: relative;
  background: var(--night);
  color: var(--paper);
  padding-top: calc(var(--header-h) + clamp(56px, 8vw, 96px));
  padding-bottom: clamp(56px, 7vw, 96px);
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(50% 80% at 85% 20%, rgba(203, 150, 77, 0.12), transparent 65%),
    radial-gradient(45% 70% at 70% 90%, rgba(92, 58, 138, 0.2), transparent 70%);
  pointer-events: none;
}

.page-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(24px, 4vw, 64px);
  align-items: end;
}

.page-hero h1 {
  font-size: clamp(2.3rem, 4.4vw, 3.9rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1.06;
  text-wrap: balance;
  margin-top: 20px;
  max-width: 17ch;
}

.page-hero__lead {
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(252, 250, 250, 0.68);
  max-width: 42ch;
  padding-bottom: 6px;
}

.page-hero__lead .btn {
  margin-top: 22px;
}

.breadcrumb {
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(181, 173, 155, 0.75);
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.breadcrumb a:hover {
  color: var(--gold);
}

.breadcrumb span {
  opacity: 0.5;
}

/* ---------- Tableau des modes IA ---------- */

.modes {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.modes caption {
  text-align: left;
  font-size: 12px;
  color: var(--muted);
  padding-bottom: 14px;
}

.modes th,
.modes td {
  text-align: left;
  vertical-align: top;
  padding: 18px 16px;
  border-bottom: 1px solid var(--line);
}

.modes thead th {
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bronze);
  border-bottom-color: var(--line-strong);
  font-weight: 600;
}

.modes tbody th {
  font-weight: 600;
  font-size: 13.5px;
  width: 22%;
}

.modes td {
  color: var(--muted);
  line-height: 1.55;
}

.modes tr:last-child th,
.modes tr:last-child td {
  border-bottom: 0;
}

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* ---------- Prose ---------- */

.prose {
  max-width: 74ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: #3c3448;
}

.prose > * + * {
  margin-top: 18px;
}

.prose h2 {
  font-size: clamp(1.35rem, 1.9vw, 1.65rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: var(--ink);
  margin-top: 44px;
}

.prose h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  margin-top: 30px;
}

.prose ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.prose ul li {
  padding-left: 22px;
  position: relative;
}

.prose ul li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: 1px solid var(--bronze);
}

.prose a {
  color: var(--ink);
  border-bottom: 1px solid var(--line-strong);
}

.prose a:hover {
  color: var(--bronze);
  border-color: var(--bronze);
}

.prose strong {
  color: var(--ink);
  font-weight: 600;
}

.notice {
  border: 1px solid rgba(203, 150, 77, 0.35);
  background: rgba(203, 150, 77, 0.07);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  font-size: 12.5px;
  line-height: 1.65;
  color: #6a5329;
}

.notice strong {
  display: block;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 6px;
  color: var(--bronze);
}

/* ---------- Formulaires ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
}

.contact-aside h2 {
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin-top: 16px;
}

.contact-aside p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  margin-top: 16px;
  max-width: 38ch;
}

.contact-list {
  margin-top: 30px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}

.contact-list div {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 12px;
  font-size: 13px;
}

.contact-list dt {
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bronze);
  padding-top: 2px;
}

.contact-list dd {
  margin: 0;
}

.contact-list a {
  border-bottom: 1px solid var(--line);
}

.contact-list a:hover {
  border-color: var(--bronze);
  color: var(--bronze);
}

.form-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: clamp(22px, 3vw, 34px);
  box-shadow: var(--shadow-card);
}

.tabs {
  display: inline-flex;
  padding: 4px;
  border-radius: 999px;
  background: var(--paper-2);
  gap: 2px;
  margin-bottom: 26px;
}

.tab {
  border: 0;
  background: transparent;
  height: 36px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: background-color 0.25s, color 0.25s;
}

.tab[aria-selected="true"] {
  background: var(--white);
  color: var(--ink);
  box-shadow: 0 1px 6px rgba(21, 16, 30, 0.12);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.field--full {
  grid-column: 1 / -1;
}

.field label {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--paper);
  padding: 0 14px;
  height: 46px;
  font-size: 14px;
  transition: border-color 0.2s, background-color 0.2s;
}

.field textarea {
  height: auto;
  min-height: 120px;
  padding: 12px 14px;
  resize: vertical;
  line-height: 1.55;
}

.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%236d6579' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.field input:hover,
.field select:hover,
.field textarea:hover {
  border-color: var(--ink);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--gold);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(203, 150, 77, 0.16);
}

.field [aria-invalid="true"] {
  border-color: #a4392f;
}

.field-error {
  font-size: 11.5px;
  color: #a4392f;
  min-height: 0;
}

.form-note {
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--muted);
  margin-top: 16px;
}

.form-status {
  margin-top: 16px;
  font-size: 12.5px;
  line-height: 1.6;
  border-radius: 10px;
  padding: 12px 14px;
  display: none;
}

.form-status.is-visible {
  display: block;
}

.form-status--info {
  background: rgba(203, 150, 77, 0.1);
  border: 1px solid rgba(203, 150, 77, 0.3);
  color: #6a5329;
}

.form-status--error {
  background: rgba(164, 57, 47, 0.08);
  border: 1px solid rgba(164, 57, 47, 0.3);
  color: #7c2b23;
}

.hp {
  position: absolute !important;
  left: -9999px !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-success {
  display: none;
}

.form-success.is-visible {
  display: block;
}

/* ---------- 404 ---------- */

.error-screen {
  background: var(--night);
  color: var(--paper);
  min-height: 100vh;
  display: grid;
  align-content: center;
  padding-top: calc(var(--header-h) + 24px);
  padding-bottom: 0;
}

.error-screen .error-page p {
  color: var(--stone);
}

.error-page {
  min-height: min(78vh, 720px);
  display: grid;
  place-items: center;
  text-align: center;
  padding-block: 120px;
}

.error-page p.error-page__code {
  font-size: clamp(4rem, 12vw, 8rem);
  font-weight: 400;
  letter-spacing: -0.06em;
  line-height: 1;
  color: var(--gold);
}

.error-page h1 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  margin-top: 18px;
}

.error-page p {
  color: var(--muted);
  font-size: 14px;
  margin-top: 12px;
}

.error-page .btn {
  margin-top: 28px;
}

/* ---------- Révélation ---------- */

.js-enabled [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  transition-delay: var(--d, 0ms);
}

.js-enabled [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------- Responsive ---------- */

@media (max-width: 1180px) {
  .hero__copy {
    grid-column: 1 / span 7;
  }
  .hero__visual {
    width: min(62vw, 680px);
    right: -12%;
  }
  .nav {
    gap: 18px;
  }
  .nav a {
    font-size: 12px;
  }
}

@media (max-width: 1024px) {
  :root {
    --header-h: 70px;
  }
  .nav {
    display: none;
  }
  .menu-toggle {
    display: grid;
  }
  .header-actions .btn {
    display: none;
  }
  .header-inner {
    justify-content: space-between;
  }
  .hero {
    min-height: 0;
    padding-top: calc(var(--header-h) + 48px);
    padding-bottom: 56px;
  }
  .hero__grid {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 36px;
  }
  .hero__copy {
    padding: 0;
  }
  .hero__title {
    max-width: 16ch;
  }
  .hero__visual {
    position: relative;
    top: auto;
    right: auto;
    transform: none;
    width: min(100%, 560px);
    margin-inline: auto;
    aspect-ratio: 1;
  }
  .hero__visual::after {
    background: radial-gradient(circle at 50% 50%, transparent 46%, rgba(6, 5, 8, 0.4) 74%, var(--night) 88%);
  }
  .hero__scroll {
    display: none;
  }
  .section-head {
    grid-template-columns: 1fr;
    gap: 20px;
    align-items: start;
  }
  .section-head__aside {
    max-width: 56ch;
  }
  .poles {
    grid-template-columns: 1fr;
  }
  .pole {
    min-height: 0;
  }
  .pole__title {
    padding-top: 28px;
  }
  .cards {
    grid-template-columns: 1fr 1fr;
  }
  .method {
    grid-template-columns: 1fr 1fr;
  }
  .security {
    grid-template-columns: 1fr;
  }
  .about {
    grid-template-columns: 1fr;
  }
  .cta__inner {
    grid-template-columns: 1fr;
    align-items: start;
  }
  .page-hero__inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 720px) {
  .hero__title {
    font-size: clamp(2.1rem, 8.6vw, 3rem);
    max-width: 17ch;
  }
  .hero__actions .btn {
    flex: 1 1 auto;
  }
  .cards {
    grid-template-columns: 1fr;
  }
  .case {
    grid-template-columns: 1fr auto;
    gap: 6px 16px;
    padding-block: 20px;
  }
  .case__name {
    grid-column: 1;
  }
  .case__desc {
    grid-column: 1;
  }
  .case .status {
    grid-column: 1;
    margin-top: 8px;
  }
  .case__arrow {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: center;
  }
  .method {
    grid-template-columns: 1fr;
  }
  .method__step {
    min-height: 0;
  }
  .method__title {
    padding-top: 36px;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-col--contact {
    grid-column: 1 / -1;
  }
  .modes {
    min-width: 640px;
  }
}

@media (max-width: 480px) {
  .hero__meta {
    font-size: 10.5px;
  }
  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero__actions .btn {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .about__facts {
    grid-template-columns: 1fr;
  }
  .contact-list div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .tabs {
    width: 100%;
  }
  .tab {
    flex: 1;
    padding: 0 12px;
  }
  .page-hero h1 {
    max-width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .js-enabled [data-reveal] {
    opacity: 1;
    transform: none;
  }
  .hero__poster {
    opacity: 1;
  }
}

.sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.d1 { --d: 70ms; }
.d2 { --d: 140ms; }
.d3 { --d: 210ms; }
.d4 { --d: 280ms; }

.mt-14 { margin-top: 14px; }
.mt-18 { margin-top: 18px; }
.mt-20 { margin-top: 20px; }
.mt-24 { margin-top: 24px; }