/**
 * Wisely Consulting — presentation layer
 *
 * Contents
 * 01. Design tokens and global defaults
 * 02. Header and hero carousel
 * 03. Immersive evidence story
 * 04. Patient-impact gallery
 * 05. Expandable consulting approach
 * 06. Closing section and footer
 * 07. Dialogs
 * 08. Motion, responsive and forced-color modes
 */

/* 01. Design tokens and global defaults */
:root {
  --ink: #07120f;
  --forest-deep: #0a201a;
  --forest: #123c30;
  --forest-soft: #1c5947;
  --emerald: #25c99a;
  --emerald-dark: #126b54;
  --mint: #dff5ec;
  --paper: #f4f1ea;
  --paper-bright: #fbfaf6;
  --sand: #c9ad94;
  --stone: #66736e;
  --white: #ffffff;
  --line: rgba(7, 18, 15, 0.16);
  --page-gutter: clamp(1.25rem, 5vw, 5.5rem);
  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--ink);
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-ui);
  text-rendering: optimizeLegibility;
}

button,
a {
  font: inherit;
}

button {
  color: inherit;
}

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

::selection {
  background: var(--emerald);
  color: var(--ink);
}

:focus-visible {
  outline: 3px solid var(--white);
  outline-offset: 4px;
  box-shadow: 0 0 0 7px var(--forest);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  margin: -1px;
  padding: 0;
  border: 0;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 0.65rem;
  left: 0.75rem;
  padding: 0.8rem 1rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--white);
  font-weight: 650;
  transform: translateY(-180%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

/* 02. Header and hero carousel */
.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  display: flex;
  width: 100%;
  min-height: 4.75rem;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem clamp(1rem, 3vw, 3.4rem);
  border-bottom: 1px solid rgba(7, 18, 15, 0.09);
  background: rgba(249, 247, 241, 0.92);
  backdrop-filter: blur(18px) saturate(150%);
}

.wordmark {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  color: var(--ink);
  font-size: 1.35rem;
  font-weight: 660;
  letter-spacing: -0.065em;
}

.wordmark span {
  color: var(--emerald-dark);
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.site-header nav a,
.site-header .nav-cta {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  padding: 0 0.85rem;
  border: 0;
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  font-size: 0.86rem;
  font-weight: 560;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.site-header nav a:hover {
  background: rgba(7, 18, 15, 0.06);
}

.site-header .nav-cta {
  min-width: 8.9rem;
  margin-left: 0.4rem;
  background: var(--ink);
  color: var(--white);
}

.site-header .nav-cta:hover,
.button-dark:hover {
  background: var(--forest);
  transform: translateY(-1px);
}

/* Sélecteur de langue : de simples liens, opérants sans JavaScript. */
.language-switcher {
  display: inline-flex;
  align-items: center;
  margin-left: 0.55rem;
  padding: 0.15rem;
  border: 1px solid rgba(7, 18, 15, 0.14);
  border-radius: 999px;
  gap: 0.1rem;
}

.site-header nav .language-switcher a {
  min-width: 2.35rem;
  min-height: 2.1rem;
  padding: 0 0.5rem;
  font-size: 0.76rem;
  font-weight: 620;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--stone);
}

.site-header nav .language-switcher a[aria-current="true"] {
  background: var(--ink);
  color: var(--white);
}

.site-header nav .language-switcher a[aria-current="true"]:hover {
  background: var(--forest);
}

@media (max-width: 40rem) {
  .language-switcher {
    margin-left: 0.25rem;
  }

  .site-header nav .language-switcher a {
    min-width: 2rem;
    padding: 0 0.35rem;
  }
}

.hero {
  position: relative;
  display: grid;
  /* Bord à bord : aucune marge latérale ni basse, aucun rayon.
     marge haute + hauteur = exactement 100svh. */
  min-height: calc(100svh - 5.15rem);
  place-items: center;
  isolation: isolate;
  overflow: hidden;
  margin: 5.15rem 0 0;
  background: var(--ink);
  color: var(--white);
}

.hero-backdrops,
.hero-backdrop,
.hero-scrim {
  position: absolute;
  inset: 0;
}

.hero-backdrops {
  z-index: -3;
  background: var(--ink);
}

.hero-backdrop {
  opacity: 0;
  background-repeat: no-repeat;
  background-size: cover;
  filter: saturate(0.78) contrast(1.05);
  transform: scale(1.055);
  transition: opacity 1100ms ease;
}

.hero-backdrop.is-active {
  z-index: 1;
  opacity: 1;
  animation: image-drift 6.8s ease-out both;
}

.hero-scrim {
  z-index: -2;
  background:
    linear-gradient(180deg, rgba(3, 9, 8, 0.53) 0%, rgba(3, 9, 8, 0.32) 43%, rgba(3, 9, 8, 0.77) 100%),
    radial-gradient(circle at 50% 43%, rgba(3, 9, 8, 0.06), rgba(3, 9, 8, 0.34) 66%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  width: min(100%, 79rem);
  align-self: center;
  justify-self: center;
  justify-items: center;
  padding: clamp(7.5rem, 15vh, 10rem) var(--page-gutter) 3rem;
  text-align: center;
}

.hero-content::before {
  position: absolute;
  z-index: -1;
  inset: -4rem -6rem;
  background: radial-gradient(ellipse at center, rgba(2, 7, 6, 0.62) 0%, rgba(2, 7, 6, 0.48) 48%, transparent 76%);
  content: "";
  pointer-events: none;
}

.eyebrow,
.section-kicker {
  margin: 0 0 1.35rem;
  color: var(--emerald);
  font-size: 0.74rem;
  font-weight: 690;
  letter-spacing: 0.145em;
  line-height: 1.45;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #baf5df;
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1 {
  max-width: 78rem;
  margin: 0;
  font-size: clamp(3.45rem, 7.3vw, 8.25rem);
  font-weight: 470;
  letter-spacing: -0.075em;
  line-height: 0.93;
  text-wrap: balance;
}

.hero-intro {
  max-width: 35rem;
  margin: 1.7rem 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1rem, 1.35vw, 1.2rem);
  line-height: 1.55;
}

.button {
  display: inline-flex;
  min-height: 3.25rem;
  align-items: center;
  justify-content: center;
  gap: 1.7rem;
  padding: 0.78rem 1.25rem;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.91rem;
  font-weight: 650;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.button-light {
  margin-top: 2rem;
  background: var(--white);
  color: var(--ink);
  box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.22);
}

.button-light:hover {
  background: var(--mint);
  transform: translateY(-2px);
}

.button-dark {
  background: var(--ink);
  color: var(--white);
}

.hero-enter {
  animation: hero-rise 760ms both cubic-bezier(0.2, 0.8, 0.2, 1);
}

.hero-enter-two {
  animation-delay: 90ms;
}

.hero-enter-three {
  animation-delay: 180ms;
}

.hero-enter-four {
  animation-delay: 270ms;
}

/* 03. Immersive evidence story */
.system-story {
  min-height: 155svh;
  background: var(--ink);
  color: var(--white);
}

.system-sticky {
  position: sticky;
  top: 0;
  display: grid;
  min-height: 100svh;
  grid-template-columns: minmax(17rem, 0.7fr) minmax(25rem, 1.3fr);
  align-items: center;
  gap: clamp(4rem, 8vw, 9rem);
  overflow: hidden;
  padding: 7rem var(--page-gutter);
}

.system-copy {
  position: relative;
  z-index: 2;
  max-width: 34rem;
}

.system-copy h2,
.impact-heading h2,
.approach-heading h2,
.closing-copy h2 {
  margin: 0;
  font-size: clamp(3rem, 6.2vw, 7rem);
  font-weight: 470;
  letter-spacing: -0.07em;
  line-height: 0.96;
  text-wrap: balance;
}

.system-copy > p:not(.section-kicker) {
  max-width: 28rem;
  margin: 1.8rem 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.05rem;
  line-height: 1.6;
}

.text-link {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: 1.1rem;
  margin-top: 1.7rem;
  padding-bottom: 0.2rem;
  border-bottom: 1px solid currentColor;
  font-size: 0.9rem;
  font-weight: 620;
}

.text-link-light {
  color: #baf5df;
}

.evidence-stack {
  position: relative;
  width: min(61vw, 52rem);
  aspect-ratio: 1.33;
  justify-self: end;
  perspective: 1250px;
}

.stack-plane {
  position: absolute;
  inset: 10% 4%;
  overflow: hidden;
  border: 1px solid rgba(186, 245, 223, 0.32);
  border-radius: 1rem;
  transform-style: preserve-3d;
}

.stack-plane-back {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 1rem;
  background:
    linear-gradient(rgba(186, 245, 223, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(186, 245, 223, 0.1) 1px, transparent 1px);
  background-size: 3.2rem 3.2rem;
  color: rgba(186, 245, 223, 0.75);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transform: translate3d(-8%, -8%, -9rem) rotateY(7deg);
  animation: stack-back 8s ease-in-out infinite alternate;
}

.stack-plane-image {
  inset: 14% 8%;
  background:
    linear-gradient(180deg, transparent 55%, rgba(3, 9, 8, 0.72)),
    url("../images/clinical-decisions.jpg") center / cover;
  box-shadow: 0 2.5rem 7rem rgba(0, 0, 0, 0.46);
  transform: translateZ(1rem) rotateY(-3deg);
  animation: stack-image 8s ease-in-out infinite alternate;
}

.stack-plane-front {
  inset: 6% 0;
  border-color: rgba(186, 245, 223, 0.46);
  background: linear-gradient(140deg, rgba(37, 201, 154, 0.06), transparent 55%);
  transform: translate3d(8%, 5%, 8rem) rotateY(-7deg);
  animation: stack-front 8s ease-in-out infinite alternate;
}

.stack-label {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  color: rgba(255, 255, 255, 0.78);
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.trace {
  position: absolute;
  left: 9%;
  display: block;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--emerald), transparent);
  transform-origin: left center;
}

.trace-one {
  top: 30%;
  width: 60%;
  transform: rotate(8deg);
}

.trace-two {
  top: 52%;
  width: 80%;
  transform: rotate(-5deg);
}

.trace-three {
  top: 72%;
  width: 48%;
  transform: rotate(13deg);
}

/* 04. Patient-impact gallery */
.impact-section {
  padding: clamp(6.5rem, 11vw, 11rem) var(--page-gutter);
  background: var(--paper);
}

.impact-heading {
  max-width: 76rem;
  margin-bottom: clamp(4rem, 8vw, 8rem);
}

.image-disclosure {
  margin: 1.4rem 0 0;
  color: #4b5954;
  font-size: 0.8rem;
  line-height: 1.5;
}

.impact-heading .section-kicker,
.approach-heading .section-kicker {
  color: var(--emerald-dark);
}

.impact-grid {
  display: grid;
  max-width: 94rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.25rem, 2.4vw, 2.25rem);
  margin: 0 auto;
}

.impact-card {
  overflow: hidden;
  border-radius: 1rem;
  background: var(--paper-bright);
}

/* Les trois cartes partagent une même ligne : la section retrouve une
   hauteur comparable aux autres. Les classes numérotées restent des
   points d'accroche, sans décalage. */
.impact-card-1,
.impact-card-2,
.impact-card-3 {
  grid-column: auto;
  margin-top: 0;
}

.impact-image {
  min-height: 14rem;
  aspect-ratio: 1.3;
  background-position: center;
  background-size: cover;
  filter: saturate(0.86);
  transition: filter 500ms ease, transform 900ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.impact-card:hover .impact-image {
  filter: saturate(1);
  transform: scale(1.025);
}

.impact-card-copy {
  padding: clamp(1.4rem, 3vw, 2.4rem);
}

.impact-card-copy > span {
  color: var(--emerald-dark);
  font-size: 0.68rem;
  font-weight: 710;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.impact-card-copy h3 {
  max-width: 37rem;
  margin: 0.85rem 0 0;
  font-size: clamp(1.8rem, 3.2vw, 3.55rem);
  font-weight: 490;
  letter-spacing: -0.057em;
  line-height: 1;
}

.impact-card-copy p {
  max-width: 32rem;
  margin: 1.05rem 0 0;
  color: #4b5954;
  font-size: 0.98rem;
  line-height: 1.55;
}

/* 05. Expandable consulting approach */

/* Registre public : rupture sombre entre deux sections claires. */
.record-section {
  padding: clamp(5.5rem, 9vw, 9rem) var(--page-gutter);
  background: var(--forest-deep);
  color: var(--white);
}

.record-heading {
  max-width: 46rem;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.record-heading .section-kicker {
  color: var(--emerald);
}

.record-heading h2 {
  max-width: 34rem;
  margin: 0.5rem 0 1rem;
  font-size: clamp(2.4rem, 5.4vw, 4.4rem);
  font-weight: 480;
  letter-spacing: -0.055em;
  line-height: 1;
}

.record-heading p:last-child {
  max-width: 30rem;
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
}

.record-grid {
  display: grid;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(186, 245, 223, 0.22);
  gap: 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  list-style: none;
}

.record-item {
  padding: 2.2rem 2.4rem 2.4rem 0;
  border-right: 1px solid rgba(186, 245, 223, 0.22);
}

.record-item + .record-item {
  padding-left: 2.4rem;
}

.record-item:last-child {
  border-right: 0;
}

.record-value {
  margin: 0 0 1rem;
  color: var(--emerald);
  font-size: clamp(2.8rem, 6vw, 4.6rem);
  font-variant-numeric: tabular-nums;
  font-weight: 480;
  letter-spacing: -0.05em;
  line-height: 0.95;
}

.record-claim {
  max-width: 22rem;
  margin: 0 0 1.4rem;
  font-size: 1.02rem;
  line-height: 1.45;
}

.record-source {
  max-width: 22rem;
  margin: 0;
  color: rgba(255, 255, 255, 0.52);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.5;
}

.record-link {
  border-bottom: 1px solid rgba(186, 245, 223, 0.26);
  color: rgba(255, 255, 255, 0.62);
  text-decoration: none;
  transition: color 180ms ease, border-color 180ms ease;
}

.record-link:hover,
.record-link:focus-visible {
  border-bottom-color: var(--emerald);
  color: var(--emerald);
}

@media (max-width: 980px) {
  .record-grid {
    grid-template-columns: 1fr;
  }

  .record-item,
  .record-item + .record-item {
    padding: 1.8rem 0;
    border-right: 0;
    border-bottom: 1px solid rgba(186, 245, 223, 0.22);
  }

  .record-item:last-child {
    border-bottom: 0;
  }
}

.approach-section {
  padding: clamp(6.5rem, 11vw, 11rem) var(--page-gutter);
  background: var(--paper-bright);
}

.approach-heading {
  display: grid;
  max-width: 82rem;
  grid-template-columns: minmax(0, 1fr) minmax(13rem, 0.3fr);
  align-items: end;
  gap: 2rem 4rem;
  margin-bottom: clamp(4rem, 7vw, 7rem);
}

.approach-heading .section-kicker {
  grid-column: 1 / -1;
  margin-bottom: -0.5rem;
}

.approach-heading > p:last-child {
  margin: 0 0 0.4rem;
  color: var(--stone);
  line-height: 1.55;
}

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

.pillar {
  border-bottom: 1px solid var(--line);
}

.pillar summary {
  display: grid;
  min-height: 11rem;
  grid-template-columns: 4rem minmax(0, 1fr) 3.2rem;
  align-items: center;
  gap: clamp(1rem, 3vw, 3rem);
  padding: 1.6rem 0;
  cursor: pointer;
  list-style: none;
}

.pillar summary::-webkit-details-marker {
  display: none;
}

.pillar summary:focus-visible {
  outline-offset: 8px;
}

.pillar-number {
  align-self: start;
  padding-top: 0.75rem;
  color: var(--emerald-dark);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 680;
}

.pillar-title {
  display: grid;
  grid-template-columns: minmax(13rem, 0.65fr) minmax(16rem, 0.35fr);
  align-items: center;
  gap: 2rem;
}

.pillar-title strong {
  font-size: clamp(2.4rem, 5vw, 5.5rem);
  font-weight: 480;
  letter-spacing: -0.065em;
  line-height: 0.95;
}

.pillar-title > span {
  max-width: 24rem;
  color: #4b5954;
  font-size: 1rem;
  line-height: 1.5;
}

.plus {
  position: relative;
  display: block;
  width: 3rem;
  height: 3rem;
  border: 1px solid #59645f;
  border-radius: 999px;
  transition: background 180ms ease, transform 260ms ease;
}

.plus::before,
.plus::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.9rem;
  height: 1px;
  background: currentColor;
  content: "";
  transform: translate(-50%, -50%);
}

.plus::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.pillar[open] .plus {
  background: var(--ink);
  color: var(--white);
  transform: rotate(45deg);
}

.pillar-detail {
  display: grid;
  max-width: 56rem;
  grid-template-columns: 4rem minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 3rem);
  margin: -1rem 0 2.8rem;
  margin-left: calc(4rem + clamp(1rem, 3vw, 3rem));
  padding-left: 0;
}

.pillar-detail p {
  grid-column: 2;
  margin: 0;
  color: #34433d;
  font-size: clamp(1.05rem, 1.6vw, 1.24rem);
  line-height: 1.6;
}

.pillar-detail > span {
  grid-column: 2;
  color: var(--emerald-dark);
  font-size: 0.7rem;
  font-weight: 680;
  letter-spacing: 0.09em;
  line-height: 1.5;
  text-transform: uppercase;
}

.journey {
  margin-top: clamp(5rem, 9vw, 9rem);
  padding: clamp(2rem, 4vw, 4rem);
  border-radius: 1rem;
  background: var(--mint);
}

.journey > p {
  margin: 0 0 2.2rem;
  color: var(--emerald-dark);
  font-size: 0.7rem;
  font-weight: 710;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.journey ol {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: clamp(1rem, 3vw, 3rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.journey li:not(.journey-arrow) {
  display: grid;
  gap: 0.2rem;
}

.journey li span {
  color: var(--emerald-dark);
  font-family: var(--font-mono);
  font-size: 0.66rem;
}

.journey li strong {
  font-size: clamp(2rem, 4vw, 4.4rem);
  font-weight: 490;
  letter-spacing: -0.06em;
  line-height: 1;
}

.journey li small {
  color: #42534c;
  font-size: 0.9rem;
}

.journey-arrow {
  color: var(--emerald-dark);
  font-size: clamp(1.5rem, 3vw, 3rem);
}

/* 06. Closing section and footer */
.closing-section {
  position: relative;
  display: grid;
  min-height: min(84svh, 58rem);
  place-items: center;
  isolation: isolate;
  overflow: hidden;
  padding: 7rem var(--page-gutter);
  background: var(--sand);
}

.closing-section::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  background: radial-gradient(circle at 82% 42%, rgba(244, 241, 234, 0.34), transparent 30%);
  content: "";
}

.closing-copy {
  max-width: 76rem;
  justify-self: start;
}

.closing-copy .section-kicker {
  color: #19493a;
}

.closing-copy h2 {
  max-width: 73rem;
  font-size: clamp(3.4rem, 7.6vw, 8.4rem);
}

.closing-copy .button {
  margin-top: 2.5rem;
}

.closing-orbit {
  position: absolute;
  z-index: -1;
  right: -10vw;
  width: min(68vw, 58rem);
  aspect-ratio: 1;
  opacity: 0.45;
}

.closing-orbit span {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(7, 18, 15, 0.5);
  border-radius: 49% 51% 58% 42% / 39% 52% 48% 61%;
  animation: orbit-turn 22s linear infinite;
}

.closing-orbit span:nth-child(2) {
  inset: 12%;
  animation-direction: reverse;
  animation-duration: 28s;
}

.closing-orbit span:nth-child(3) {
  inset: 25%;
  animation-duration: 17s;
}

.site-footer {
  display: grid;
  min-height: 17rem;
  grid-template-columns: 1fr auto;
  align-content: center;
  align-items: end;
  gap: 1.6rem 3rem;
  padding: 4.5rem var(--page-gutter);
  background: var(--ink);
  color: var(--white);
}

.wordmark-footer {
  color: var(--white);
  font-size: clamp(3rem, 6vw, 6rem);
}

.wordmark-footer span {
  color: var(--emerald);
}

.site-footer p {
  justify-self: end;
  margin: 0 0 0.65rem;
  color: rgba(255, 255, 255, 0.72);
}

/* Actions du pied de page : confidentialité et contact sur une même ligne. */
.footer-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-self: start;
  gap: 0.4rem 1.6rem;
}

.footer-contact {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.6);
  color: var(--white);
  font-size: 0.82rem;
  text-decoration: none;
}

.footer-contact:hover {
  border-bottom-color: var(--emerald);
  color: var(--emerald);
}

.site-footer button {
  justify-self: start;
  min-height: 2.75rem;
  padding: 0;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.6);
  background: transparent;
  color: var(--white);
  cursor: pointer;
  font-size: 0.82rem;
}

.site-footer > span {
  justify-self: end;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.76rem;
}

.noscript-information {
  padding: clamp(4rem, 9vw, 8rem) var(--page-gutter);
  background: var(--paper);
  color: var(--ink);
}

.noscript-heading {
  max-width: 54rem;
}

.noscript-heading h2 {
  max-width: 46rem;
  margin: 0;
  font-size: clamp(2.8rem, 7vw, 6rem);
  font-weight: 480;
  letter-spacing: -0.065em;
  line-height: 0.98;
}

.noscript-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: clamp(2rem, 5vw, 4rem);
}

.noscript-grid article {
  padding: clamp(1.5rem, 4vw, 2.6rem);
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--paper-bright);
}

.noscript-grid h3 {
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 3.2rem);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1;
}

.noscript-grid article > p:not(.section-kicker) {
  color: #46534e;
  line-height: 1.6;
}

/* 07. Dialogs */
.site-dialog {
  width: min(calc(100% - 2rem), 46rem);
  max-height: min(88svh, 52rem);
  overflow: auto;
  padding: clamp(1.5rem, 4vw, 3.2rem);
  border: 0;
  border-radius: 1.25rem;
  background: var(--paper-bright);
  color: var(--ink);
  box-shadow: 0 3rem 8rem rgba(0, 0, 0, 0.42);
}

.site-dialog::backdrop {
  background: rgba(2, 8, 6, 0.78);
  backdrop-filter: blur(7px);
}

.site-dialog[open] {
  animation: dialog-in 260ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.dialog-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}

.dialog-head .section-kicker {
  color: var(--emerald-dark);
}

.dialog-close {
  display: grid;
  width: 2.75rem;
  min-width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  border: 1px solid #64716c;
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  font-size: 1.55rem;
  line-height: 1;
}

.site-dialog > h2 {
  max-width: 38rem;
  margin: 0;
  font-size: clamp(2.6rem, 6vw, 5.1rem);
  font-weight: 480;
  letter-spacing: -0.067em;
  line-height: 0.96;
}

.site-dialog > p:not(.section-kicker):not(.status-message) {
  max-width: 38rem;
  margin: 1.3rem 0 0;
  color: #46534e;
  line-height: 1.6;
}

.briefing-prompts {
  display: grid;
  gap: 0;
  margin: 1.8rem 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
  counter-reset: prompt;
}

.briefing-prompts li {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 0.8rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
  counter-increment: prompt;
  line-height: 1.45;
}

.briefing-prompts li::before {
  color: var(--emerald-dark);
  content: "0" counter(prompt);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.dialog-note {
  font-size: 0.82rem;
}

/* L'envoi de mail est l'action principale du dialogue : bouton plein,
   adresse affichée en toutes lettres. La copie passe en secondaire. */
.dialog-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 1.75rem;
  gap: 0.7rem;
}

.dialog-actions .button {
  gap: 0.6rem;
  text-decoration: none;
}

.button-outline {
  background: transparent;
  box-shadow: inset 0 0 0 1px rgba(7, 18, 15, 0.22);
  color: var(--ink);
}

.button-outline:hover {
  background: rgba(7, 18, 15, 0.05);
}

.site-dialog > .button {
  margin-top: 1.5rem;
}

.status-message {
  min-height: 1.4rem;
  margin: 0.75rem 0 0;
  color: var(--emerald-dark);
  font-size: 0.8rem;
}

.dialog-sections {
  display: grid;
  gap: 0;
  margin-top: 2rem;
  border-top: 1px solid var(--line);
}

.dialog-sections section {
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--line);
}

.dialog-sections h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 660;
}

.dialog-sections p {
  margin: 0;
  color: #46534e;
  line-height: 1.6;
}

/* Bandeau de consentement : non modal, masqué tant qu'analytics.js n'a pas lu le choix.
   Accepter et refuser ont volontairement le même poids visuel. */
.consent-banner {
  position: fixed;
  z-index: 150;
  bottom: 1rem;
  left: 1rem;
  display: grid;
  width: min(calc(100% - 2rem), 42rem);
  gap: 1.1rem;
  padding: clamp(1.2rem, 3vw, 1.6rem);
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--paper-bright);
  color: var(--ink);
  box-shadow: 0 1.5rem 4.5rem rgba(0, 0, 0, 0.3);
  animation: dialog-in 260ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

/* display: grid écraserait la règle [hidden] du navigateur. */
.consent-banner[hidden] {
  display: none;
}

.consent-title {
  margin: 0 0 0.45rem;
  font-size: 1rem;
  font-weight: 660;
}

.consent-copy p:not(.consent-title) {
  margin: 0;
  color: #46534e;
  font-size: 0.9rem;
  line-height: 1.55;
}

.consent-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.consent-actions .button {
  min-height: 2.9rem;
  padding: 0.6rem 1.1rem;
  font-size: 0.86rem;
}

.consent-link {
  min-height: 2.75rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--emerald-dark);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 620;
  text-decoration: underline;
  text-underline-offset: 0.22em;
}

.dialog-sections .consent-link {
  margin-top: 0.4rem;
}

@media (max-width: 720px) {
  .consent-banner {
    bottom: 0.5rem;
    left: 0.5rem;
    width: calc(100% - 1rem);
  }

  .consent-actions .button {
    flex: 1 1 12rem;
  }
}

@media (forced-colors: active) {
  .consent-banner {
    border: 2px solid CanvasText;
  }
}

.reveal {
  opacity: 1;
  transform: none;
}

.motion-ready .reveal {
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.motion-ready .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* 08. Motion, responsive and forced-color modes */
@keyframes hero-rise {
  from {
    opacity: 0;
    transform: translateY(1.4rem);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes image-drift {
  from { transform: scale(1.055); }
  to { transform: scale(1.105); }
}

@keyframes stack-back {
  from { transform: translate3d(-8%, -8%, -9rem) rotateY(7deg) rotateZ(-1deg); }
  to { transform: translate3d(-5%, -5%, -8rem) rotateY(4deg) rotateZ(0.5deg); }
}

@keyframes stack-image {
  from { transform: translate3d(0, 0, 1rem) rotateY(-3deg); }
  to { transform: translate3d(-1%, 2%, 2rem) rotateY(-1deg); }
}

@keyframes stack-front {
  from { transform: translate3d(8%, 5%, 8rem) rotateY(-7deg) rotateZ(1deg); }
  to { transform: translate3d(5%, 8%, 7rem) rotateY(-4deg) rotateZ(-0.5deg); }
}

@keyframes orbit-turn {
  to { transform: rotate(360deg); }
}

@keyframes dialog-in {
  from { opacity: 0; transform: translateY(1rem) scale(0.985); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 980px) {
  .system-story {
    min-height: auto;
  }

  .system-sticky {
    position: relative;
    min-height: auto;
    grid-template-columns: minmax(0, 1fr);
    gap: 5rem;
    padding-block: 8rem;
  }

  .evidence-stack {
    width: min(100%, 46rem);
    justify-self: center;
  }

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

  .approach-heading {
    grid-template-columns: minmax(0, 1fr);
  }

  .approach-heading .section-kicker {
    grid-column: auto;
  }

  .pillar-title {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.7rem;
  }

  .site-footer {
    grid-template-columns: minmax(0, 1fr);
  }

  .site-footer p,
  .site-footer > span {
    justify-self: start;
  }
}

@media (max-width: 720px) {
  :root {
    --page-gutter: 1.15rem;
  }

  .site-header {
    min-height: 4.4rem;
    padding-inline: 0.85rem;
  }

  .site-header nav > a {
    display: none;
  }

  .site-header .nav-cta {
    min-width: auto;
    margin-left: 0;
    padding-inline: 0.95rem;
  }

  .hero {
    min-height: calc(100svh - 4.65rem);
    margin: 4.65rem 0 0;
  }

  .hero-content {
    align-self: center;
    padding: 6.5rem 1.1rem 2.5rem;
  }

  h1 {
    font-size: clamp(3rem, 14vw, 5.4rem);
    line-height: 0.95;
  }

  .hero-intro {
    max-width: 22rem;
  }

  .system-sticky {
    gap: 3.5rem;
    padding-block: 7rem;
  }

  .evidence-stack {
    width: 108%;
    margin-inline: -4%;
    aspect-ratio: 1.08;
  }

  .stack-plane {
    inset-inline: 8%;
  }

  .stack-plane-image {
    inset: 17% 12%;
  }

  .impact-section,
  .approach-section {
    padding-block: 6.5rem;
  }

  .impact-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 1.25rem;
  }

  .impact-card-1,
  .impact-card-2,
  .impact-card-3 {
    grid-column: auto;
    margin-top: 0;
  }

  .impact-image {
    min-height: 17rem;
    aspect-ratio: 1.08;
  }

  .pillar summary {
    min-height: 9rem;
    grid-template-columns: 2.2rem minmax(0, 1fr) 2.8rem;
    gap: 0.8rem;
  }

  .pillar-number {
    padding-top: 0.45rem;
  }

  .pillar-title strong {
    font-size: clamp(2.25rem, 12vw, 3.4rem);
  }

  .pillar-title > span {
    font-size: 0.9rem;
  }

  .plus {
    width: 2.75rem;
    height: 2.75rem;
  }

  .pillar-detail {
    display: block;
    margin: -0.25rem 0 2rem 3rem;
  }

  .pillar-detail > span {
    display: block;
    margin-top: 1rem;
  }

  .journey ol {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.2rem;
  }

  .journey-arrow {
    transform: rotate(90deg);
  }

  .closing-section {
    min-height: 42rem;
    padding-block: 6rem;
  }

  .closing-copy h2 {
    font-size: clamp(3.15rem, 15vw, 5.6rem);
  }

  .closing-orbit {
    right: -40vw;
    width: 115vw;
  }

  .site-footer {
    padding-block: 4rem;
  }

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

  .site-dialog {
    width: calc(100% - 1rem);
    max-height: calc(100svh - 1rem);
    border-radius: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .motion-ready .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (forced-colors: active) {
  .hero-scrim {
    background: Canvas;
    opacity: 0.82;
  }

  .hero-backdrop,
  .impact-image,
  .stack-plane-image {
    filter: grayscale(1);
  }

  .plus,
  .dialog-close {
    border: 2px solid ButtonText;
  }
}