/* ==========================================================================
   Golden Alliance — démo 4 « Maison de nuit »
   --------------------------------------------------------------------------
   Direction : maison de joaillerie le soir. Entièrement sombre, cinématique,
   Bodoni Moda (haute couture) + Manrope. Un seul accent champagne.
   Ordre : polices > variables > base > typographie > composants > sections
   Responsive : css/responsive.css — Animations : css/animations.css
   ========================================================================== */

@font-face {
  font-family: "Bodoni Moda";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("../../fonts/bodoni-moda-variable.woff2") format("woff2");
}

@font-face {
  font-family: "Bodoni Moda";
  font-style: italic;
  font-weight: 400 700;
  font-display: swap;
  src: url("../../fonts/bodoni-moda-italic-variable.woff2") format("woff2");
}

@font-face {
  font-family: "Manrope";
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url("../../fonts/manrope-variable.woff2") format("woff2");
}

/* --------------------------------------------------------------------------
   1. Variables
   -------------------------------------------------------------------------- */
:root {
  --night: #0f0d0c;
  --night-2: #171412;
  --night-3: #221e1b;
  --ink: #ece4d8;
  --muted: rgba(236, 228, 216, 0.62);
  --faint: rgba(236, 228, 216, 0.38);
  --gold: #c9a56f;
  --gold-soft: rgba(201, 165, 111, 0.16);
  --line: rgba(236, 228, 216, 0.12);
  --line-strong: rgba(236, 228, 216, 0.26);

  --font-display: "Bodoni Moda", "Didot", "Times New Roman", serif;
  --font-body: "Manrope", "Helvetica Neue", Arial, sans-serif;

  --fs-display: clamp(3rem, 7.4vw, 8rem);
  --fs-h2: clamp(2.3rem, 4.6vw, 4.6rem);
  --fs-h3: clamp(1.5rem, 2vw, 2rem);
  --fs-body: 1.0625rem;
  --fs-small: 0.875rem;
  --fs-label: 0.6875rem;

  --container-width: 1320px;
  --gutter: clamp(20px, 4vw, 56px);
  --section-space: clamp(104px, 13vw, 200px);
  --header-height: 84px;
  --radius: 3px;

  --z-header: 100;
  --z-menu: 200;
  --z-intro: 300;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.76, 0, 0.24, 1);
}

/* --------------------------------------------------------------------------
   2. Base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  color-scheme: dark;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  background-color: var(--night);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* Grain de pellicule, très léger */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-intro) + 1);
  pointer-events: none;
  opacity: 0.06;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

body.is-locked {
  overflow: hidden;
}

main,
.site-footer {
  overflow-x: clip;
}

img,
video,
iframe {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.4s var(--ease);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

p {
  margin: 0 0 1.1em;
  text-wrap: pretty;
}

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

address {
  font-style: normal;
}

button {
  font: inherit;
  color: inherit;
}

::selection {
  background-color: var(--gold);
  color: var(--night);
}

:focus-visible {
  outline: 1px solid var(--gold);
  outline-offset: 4px;
}

/* --------------------------------------------------------------------------
   3. Typographie
   -------------------------------------------------------------------------- */
.label {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 0 0 32px;
  font-family: var(--font-body);
  font-size: var(--fs-label);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
}

.label span {
  color: var(--faint);
}

.display {
  font-size: var(--fs-display);
  line-height: 0.96;
  letter-spacing: -0.03em;
}

.h2 {
  font-size: var(--fs-h2);
}

.display em,
.h2 em {
  font-style: italic;
  color: var(--gold);
}

.lead {
  max-width: 32em;
  font-size: 1.1875rem;
  line-height: 1.65;
  color: var(--muted);
}

.text-muted {
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   4. Mise en page
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: calc(var(--container-width) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: var(--section-space);
}

.section--alt {
  background-color: var(--night-2);
}

.section--flush-top {
  padding-top: 0;
}

.head {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
  align-items: end;
  gap: 32px 72px;
  margin-bottom: clamp(56px, 7vw, 104px);
}

.head .lead {
  margin: 0;
}

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

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: calc(var(--z-intro) + 2);
  padding: 12px 20px;
  background: var(--gold);
  color: var(--night);
}

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

.photo {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background-color: var(--night-3);
}

.photo > img,
.photo > video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --------------------------------------------------------------------------
   5. Boutons & liens
   -------------------------------------------------------------------------- */
.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-height: 58px;
  padding: 16px 32px;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid var(--gold);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 0.6s var(--ease), transform 0.2s var(--ease);
}

/* Remplissage circulaire depuis le bas */
.button::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 100%;
  z-index: -1;
  width: 140%;
  aspect-ratio: 1;
  border-radius: 50%;
  background-color: var(--gold);
  transform: translate(-50%, 0) scale(0.2);
  transition: transform 0.7s var(--ease), top 0.7s var(--ease);
}

.button:hover::before {
  top: -20%;
  transform: translate(-50%, 0) scale(1);
}

.button:hover {
  color: var(--night);
}

.button:active {
  transform: scale(0.98);
}

.button--solid {
  background-color: var(--gold);
  color: var(--night);
}

.button--solid::before {
  background-color: var(--ink);
}

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

.arrow {
  width: 18px;
  height: 10px;
  flex: 0 0 18px;
  transition: transform 0.6s var(--ease);
}

.button:hover .arrow,
.link:hover .arrow {
  transform: translateX(5px);
}

.link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 6px;
  background: linear-gradient(currentColor, currentColor) right bottom / 100% 1px no-repeat;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: background-size 0.7s var(--ease), color 0.4s var(--ease);
}

.link:hover {
  background-size: 0 1px;
  color: var(--gold);
}

.link-line {
  background: linear-gradient(currentColor, currentColor) left bottom / 0 1px no-repeat;
  padding-bottom: 2px;
  transition: background-size 0.6s var(--ease);
}

.link-line:hover {
  background-size: 100% 1px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 32px;
}

/* --------------------------------------------------------------------------
   6. Ouverture (rideau)
   -------------------------------------------------------------------------- */
.intro {
  position: fixed;
  inset: 0;
  z-index: var(--z-intro);
  display: none;
  align-items: center;
  justify-content: center;
  background-color: var(--night);
}

.js .intro {
  display: flex;
}

.intro__logo {
  width: 64px;
  opacity: 0;
  animation: intro-logo 1.1s var(--ease) 0.1s forwards;
}

.intro__line {
  position: absolute;
  left: 50%;
  bottom: 30%;
  width: 160px;
  height: 1px;
  background-color: var(--line);
  transform: translateX(-50%);
  overflow: hidden;
}

.intro__line::after {
  content: "";
  position: absolute;
  inset: 0;
  background-color: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  animation: intro-line 1.2s var(--ease-in-out) 0.2s forwards;
}

.intro.is-leaving {
  transform: translateY(-100%);
  transition: transform 1.1s var(--ease-in-out);
}

.intro.is-gone {
  display: none;
}

@keyframes intro-logo {
  from { opacity: 0; transform: translateY(12px) scale(0.92); }
  to { opacity: 1; transform: none; }
}

@keyframes intro-line {
  to { transform: scaleX(1); }
}

/* --------------------------------------------------------------------------
   7. En-tête & menu plein écran
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  transition: background-color 0.5s var(--ease), transform 0.6s var(--ease);
}

.site-header.is-scrolled {
  background-color: rgba(15, 13, 12, 0.86);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

/* L'en-tête se retire en descendant et revient en remontant */
.site-header.is-hidden {
  transform: translateY(-100%);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--header-height);
}

.site-header__logo {
  display: block;
  width: 168px;
}

.site-header__logo img {
  width: 100%;
  height: auto;
  filter: brightness(0) invert(0.92);
}

.site-header__right {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 40px);
}

.site-header__contact {
  font-size: var(--fs-small);
  font-weight: 500;
}

.menu-button {
  position: relative;
  z-index: calc(var(--z-menu) + 1);
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 10px 0;
  border: 0;
  background: transparent;
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  cursor: pointer;
}

.menu-button__icon {
  position: relative;
  width: 28px;
  height: 9px;
}

.menu-button__icon::before,
.menu-button__icon::after {
  content: "";
  position: absolute;
  right: 0;
  width: 100%;
  height: 1px;
  background-color: currentColor;
  transform-origin: right center;
  transition: transform 0.6s var(--ease);
}

.menu-button__icon::before { top: 0; }
.menu-button__icon::after { top: 8px; transform: scaleX(0.6); }

.menu-button:hover .menu-button__icon::after {
  transform: scaleX(1);
}

.menu-button[aria-expanded="true"] .menu-button__icon::before {
  transform: translateY(4px) rotate(45deg);
  transform-origin: center;
}

.menu-button[aria-expanded="true"] .menu-button__icon::after {
  transform: translateY(-4px) rotate(-45deg);
  transform-origin: center;
}

.menu {
  position: fixed;
  inset: 0;
  z-index: var(--z-menu);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  background-color: var(--night-2);
  clip-path: inset(0 0 100% 0);
  visibility: hidden;
  transition: clip-path 0.9s var(--ease-in-out), visibility 0s linear 0.9s;
}

.menu.is-open {
  clip-path: inset(0 0 0 0);
  visibility: visible;
  transition: clip-path 0.9s var(--ease-in-out), visibility 0s;
}

.menu__nav {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--header-height) + 24px) var(--gutter) 48px;
}

.menu__list li {
  overflow: hidden;
}

.menu__link {
  display: flex;
  align-items: baseline;
  gap: 24px;
  padding-block: 6px;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 5.6rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  transform: translateY(105%);
  transition: transform 0.9s var(--ease), color 0.4s var(--ease);
}

.menu.is-open .menu__link {
  transform: none;
}

.menu.is-open li:nth-child(2) .menu__link { transition-delay: 0.06s, 0s; }
.menu.is-open li:nth-child(3) .menu__link { transition-delay: 0.12s, 0s; }
.menu.is-open li:nth-child(4) .menu__link { transition-delay: 0.18s, 0s; }
.menu.is-open li:nth-child(5) .menu__link { transition-delay: 0.24s, 0s; }

.menu__link span {
  font-family: var(--font-body);
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.menu__link:hover,
.menu__link[aria-current="page"] {
  font-style: italic;
  color: var(--gold);
}

.menu__aside {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 48px var(--gutter);
  overflow: hidden;
}

.menu__aside .photo {
  position: absolute;
  inset: 0;
  border-radius: 0;
  opacity: 0.55;
}

.menu__aside .photo img {
  transform: scale(1.12);
  transition: transform 1.6s var(--ease);
}

.menu.is-open .menu__aside .photo img {
  transform: scale(1);
}

.menu__info {
  position: relative;
  font-size: var(--fs-small);
  line-height: 2;
  color: var(--ink);
}

.menu__info p {
  margin: 0;
}

/* --------------------------------------------------------------------------
   8. Hero : la vidéo à travers les lettres
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  height: 300vh;
  height: 300svh;
}

.hero__sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
}

.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Calque noir en « multiply » : le texte blanc laisse voir la vidéo */
.hero__mask {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--night);
  mix-blend-mode: multiply;
  transform: scale(var(--zoom, 1));
  transform-origin: 50% 47%;
  opacity: var(--mask-opacity, 1);
  will-change: transform;
}

.hero__mask-text {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(4.4rem, 17vw, 19rem);
  font-weight: 700;
  line-height: 0.82;
  letter-spacing: -0.045em;
  text-align: center;
  color: #fff;
  user-select: none;
}

.hero__mask-text em {
  display: block;
  font-style: italic;
  font-weight: 500;
}

.hero__veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 13, 12, 0.1) 30%, rgba(15, 13, 12, 0.82) 100%);
  opacity: var(--veil, 0);
}

.hero__content {
  position: absolute;
  left: 0;
  right: 0;
  bottom: clamp(48px, 9vh, 112px);
  opacity: var(--content, 0);
  transform: translateY(calc((1 - var(--content, 0)) * 40px));
}

.hero__content.is-static {
  opacity: 1;
  transform: none;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
  align-items: end;
  gap: 32px 64px;
}

.hero__title {
  font-size: clamp(2.8rem, 6vw, 6.4rem);
  line-height: 0.98;
}

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

.hero__aside p {
  color: var(--muted);
}

.hero__hint {
  position: absolute;
  left: 50%;
  bottom: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
  transform: translateX(-50%);
  opacity: calc(1 - var(--content, 0) * 3);
}

.hero__hint::after {
  content: "";
  width: 1px;
  height: 40px;
  background: linear-gradient(var(--gold), transparent);
  animation: hint 2.2s var(--ease) infinite;
  transform-origin: top;
}

@keyframes hint {
  0% { transform: scaleY(0); }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* --------------------------------------------------------------------------
   9. En-tête de page interne
   -------------------------------------------------------------------------- */
.page-head {
  padding-top: calc(var(--header-height) + clamp(64px, 10vw, 160px));
  padding-bottom: clamp(56px, 7vw, 104px);
}

.page-head__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
  align-items: end;
  gap: 32px 72px;
}

.page-head__grid .lead {
  margin: 0;
}

.page-head__media {
  height: clamp(320px, 56vw, 760px);
  border-radius: 0;
}

.page-head__media img {
  height: 120%;
  transform: translate3d(0, var(--parallax, 0px), 0);
}

.breadcrumb__list {
  display: flex;
  gap: 12px;
  margin-bottom: 40px;
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--faint);
}

.breadcrumb__item + .breadcrumb__item::before {
  content: "—";
  margin-right: 12px;
  color: var(--gold);
}

.breadcrumb__list a:hover {
  color: var(--ink);
}

/* --------------------------------------------------------------------------
   10. Manifeste + chiffres
   -------------------------------------------------------------------------- */
.manifesto {
  max-width: 1180px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.2vw, 4.3rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.manifesto em {
  font-style: italic;
  color: var(--gold);
}

.manifesto__foot {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 48px;
  margin-top: clamp(72px, 9vw, 132px);
}

.figures {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.figure {
  padding: 28px 20px 0 0;
}

.figure + .figure {
  padding-left: 24px;
  border-left: 1px solid var(--line);
}

.figure__number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 4.4vw, 4.4rem);
  line-height: 1;
  font-variant-numeric: lining-nums tabular-nums;
}

.figure__label {
  margin: 12px 0 0;
  font-size: var(--fs-small);
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   11. Parcours : défilement horizontal épinglé
   -------------------------------------------------------------------------- */
.hscroll {
  position: relative;
  height: 400vh;
  background-color: var(--night-2);
}

.hscroll__sticky {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
}

.hscroll__head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: clamp(32px, 5vh, 64px);
}

.hscroll__head .h2 {
  font-size: clamp(2rem, 3.6vw, 3.6rem);
}

.hscroll__progress {
  position: relative;
  flex: 0 0 200px;
  height: 1px;
  background-color: var(--line-strong);
}

.hscroll__progress span {
  position: absolute;
  inset: 0;
  background-color: var(--gold);
  transform: scaleX(var(--h-progress, 0));
  transform-origin: left;
}

.hscroll__track {
  display: flex;
  gap: clamp(20px, 2.5vw, 40px);
  padding-left: max(var(--gutter), calc((100vw - var(--container-width)) / 2));
  transform: translate3d(var(--h-shift, 0px), 0, 0);
  will-change: transform;
}

.step {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  flex: 0 0 min(76vw, 980px);
  height: min(58vh, 520px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--night);
}

.step__body {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(28px, 3.5vw, 52px);
}

.step__number {
  font-family: var(--font-display);
  font-size: clamp(5rem, 9vw, 9rem);
  font-style: italic;
  line-height: 0.8;
  color: var(--gold);
}

.step__title {
  margin-bottom: 14px;
  font-size: clamp(2rem, 3vw, 3rem);
}

.step__text {
  max-width: 24em;
  margin: 0;
  color: var(--muted);
}

.step .photo {
  border-radius: 0;
}

.step .photo img {
  filter: saturate(0.85) brightness(0.9);
}

.hscroll__end {
  flex: 0 0 min(40vw, 460px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 28px;
  padding-right: var(--gutter);
}

.hscroll__end p {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.4vw, 2.4rem);
  font-style: italic;
  line-height: 1.2;
}

/* --------------------------------------------------------------------------
   12. Valeurs (trois colonnes éditoriales, image au survol)
   -------------------------------------------------------------------------- */
.values {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.value {
  position: relative;
  padding: 40px 32px 48px 0;
}

.value + .value {
  padding-left: 32px;
  border-left: 1px solid var(--line);
}

.value__index {
  display: block;
  margin-bottom: 64px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--gold);
}

.value__title {
  margin-bottom: 18px;
  font-size: var(--fs-h3);
}

.value__text {
  margin: 0;
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   13. Services : lignes qui révèlent une image
   -------------------------------------------------------------------------- */
.service-rows {
  border-top: 1px solid var(--line);
}

.service-row {
  position: relative;
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) minmax(0, 1fr) 160px;
  align-items: center;
  gap: 24px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}

/* Décalage au survol en transform (pas d'animation de padding) */
.service-row > * {
  transition: transform 0.7s var(--ease);
}

.service-row:hover > :not(.service-row__photo),
.service-row:focus-within > :not(.service-row__photo) {
  transform: translateX(20px);
}

.service-row:hover > .service-row__photo,
.service-row:focus-within > .service-row__photo {
  transform: translateX(-20px);
}

.service-row::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-color: var(--gold-soft);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.7s var(--ease);
}

.service-row:hover::before,
.service-row:focus-within::before {
  transform: scaleY(1);
}

.service-row__index {
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.service-row__title {
  font-size: clamp(1.7rem, 2.6vw, 2.6rem);
  transition: font-style 0.2s;
}

.service-row:hover .service-row__title {
  font-style: italic;
}

.service-row__text {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--muted);
}

.service-row__includes {
  display: block;
  margin-top: 8px;
  font-size: var(--fs-small);
  color: var(--faint);
}

.service-row__photo {
  height: 100px;
  clip-path: inset(0 0 0 100%);
  transition: clip-path 0.8s var(--ease);
}

.service-row:hover .service-row__photo,
.service-row:focus-within .service-row__photo {
  clip-path: inset(0 0 0 0);
}

/* --------------------------------------------------------------------------
   14. Vision (photo + citation)
   -------------------------------------------------------------------------- */
.vision {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: center;
  gap: 48px clamp(48px, 7vw, 120px);
}

.vision__photo {
  aspect-ratio: 4 / 5;
}

.vision__photo img {
  height: 116%;
  transform: translate3d(0, var(--parallax, 0px), 0);
}

.vision__quote {
  margin: 0 0 56px;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.6vw, 4.8rem);
  font-style: italic;
  line-height: 1.04;
}

.vision__pillars li {
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.vision__pillars h3 {
  margin-bottom: 8px;
  font-size: 1.45rem;
}

.vision__pillars p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   15. Histoires : collage à vitesses multiples
   -------------------------------------------------------------------------- */
.collage {
  position: relative;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 24px;
}

.collage__item {
  margin: 0;
  transform: translate3d(0, var(--parallax, 0px), 0);
  will-change: transform;
}

.collage__item:nth-child(1) { grid-column: 1 / span 5; }
.collage__item:nth-child(2) { grid-column: 7 / span 6; margin-top: 160px; }
.collage__item:nth-child(3) { grid-column: 2 / span 4; margin-top: -40px; }
.collage__item:nth-child(4) { grid-column: 8 / span 4; margin-top: 80px; }

.collage__item:nth-child(1) .photo { aspect-ratio: 4 / 5; }
.collage__item:nth-child(2) .photo { aspect-ratio: 3 / 2; }
.collage__item:nth-child(3) .photo { aspect-ratio: 1 / 1; }
.collage__item:nth-child(4) .photo { aspect-ratio: 3 / 4; }

.collage__item .photo img {
  transition: transform 1.4s var(--ease), filter 1s var(--ease);
  filter: grayscale(0.35);
}

.collage__item:hover .photo img {
  transform: scale(1.04);
  filter: grayscale(0);
}

.collage__caption {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 16px;
}

.collage__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-style: italic;
}

.collage__place {
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--faint);
}

/* --------------------------------------------------------------------------
   16. Offres : colonnes qui s'élargissent
   -------------------------------------------------------------------------- */
.offers {
  display: flex;
  gap: 16px;
  min-height: 680px;
}

.offer {
  position: relative;
  display: flex;
  flex: 1 1 0;
  flex-direction: column;
  min-width: 0;
  padding: clamp(28px, 3vw, 44px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--night);
  cursor: pointer;
  transition: flex-grow 0.9s var(--ease), border-color 0.6s var(--ease), background-color 0.6s var(--ease);
}

.offer.is-active {
  flex-grow: 2.3;
  border-color: var(--gold);
  background-color: var(--night-3);
  cursor: default;
}

.offer__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: auto;
}

.offer__index {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--gold);
}

.offer__mention {
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-align: right;
  text-transform: uppercase;
  color: var(--gold);
}

.offer__price {
  margin: 48px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 5vw, 5.4rem);
  line-height: 0.9;
  white-space: nowrap;
  font-variant-numeric: lining-nums;
}

.offer__period {
  margin-left: 8px;
  font-family: var(--font-body);
  font-size: var(--fs-small);
  color: var(--muted);
}

.offer__title {
  margin-bottom: 0;
  font-size: clamp(1.5rem, 2vw, 2rem);
  line-height: 1.12;
}

/* Détail visible uniquement dans la colonne active */
.offer__details {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows 0.9s var(--ease), opacity 0.5s var(--ease);
}

.offer.is-active .offer__details {
  grid-template-rows: 1fr;
  opacity: 1;
  transition-delay: 0.15s;
}

.offer__details-inner {
  min-height: 0;
  overflow: hidden;
}

.offer__text {
  max-width: 34em;
  margin: 24px 0 20px;
  font-size: 0.9375rem;
  color: var(--muted);
}

.offer__text em {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--ink);
}

.offer__features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 24px;
  margin-bottom: 32px;
}

.offer__features li {
  padding: 10px 0 10px 20px;
  border-top: 1px solid var(--line);
  font-size: 0.875rem;
  line-height: 1.5;
  position: relative;
}

.offer__features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.25em;
  width: 8px;
  height: 1px;
  background-color: var(--gold);
}

.offer__toggle {
  margin-top: 20px;
  padding: 0;
  border: 0;
  background: none;
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-align: left;
  text-transform: uppercase;
  color: var(--faint);
  cursor: pointer;
}

.offer.is-active .offer__toggle {
  display: none;
}

/* --------------------------------------------------------------------------
   17. Témoignages : pile de cartes
   -------------------------------------------------------------------------- */
.voices {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  align-items: center;
  gap: 56px clamp(48px, 7vw, 120px);
}

.deck {
  position: relative;
  display: grid;
  min-height: 440px;
}

.deck__card {
  grid-area: 1 / 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 40px;
  margin: 0;
  padding: clamp(32px, 4vw, 56px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--night-3);
  transform:
    translate3d(calc(var(--pos, 0) * 22px), calc(var(--pos, 0) * -22px), 0)
    scale(calc(1 - var(--pos, 0) * 0.04));
  opacity: calc(1 - var(--pos, 0) * 0.28);
  z-index: calc(10 - var(--pos, 0));
  transition: transform 0.9s var(--ease), opacity 0.9s var(--ease);
}

.deck__card[data-pos="4"] {
  opacity: 0;
}

.deck__card.is-leaving {
  transform: translate3d(-40px, 60px, 0) rotate(-3deg);
  opacity: 0;
  transition: transform 0.6s var(--ease), opacity 0.4s var(--ease);
}

.deck__card blockquote {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.2vw, 2.1rem);
  line-height: 1.3;
}

.deck__card blockquote p {
  margin: 0;
}

.deck__card blockquote p::before {
  content: "“";
  display: block;
  height: 0.55em;
  font-size: 2.6em;
  line-height: 1;
  color: var(--gold);
}

.deck__author {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: var(--fs-small);
  font-weight: 600;
}

.deck__author span {
  font-weight: 400;
  color: var(--muted);
}

.deck__nav {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 40px;
}

.deck__counter {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-style: italic;
  font-variant-numeric: lining-nums tabular-nums;
}

.deck__counter span {
  color: var(--faint);
}

.round-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  transition: border-color 0.4s var(--ease), background-color 0.4s var(--ease), color 0.4s var(--ease);
}

.round-button:hover {
  border-color: var(--gold);
  background-color: var(--gold);
  color: var(--night);
}

.round-button svg {
  width: 18px;
  height: 10px;
}

/* --------------------------------------------------------------------------
   18. FAQ
   -------------------------------------------------------------------------- */
.faq {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  align-items: start;
  gap: 48px clamp(48px, 7vw, 120px);
}

.faq__aside {
  position: sticky;
  top: calc(var(--header-height) + 32px);
}

.faq__aside .h2 {
  margin-bottom: 24px;
}

.faq__aside p {
  color: var(--muted);
}

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

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

.accordion__heading {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
}

.accordion__trigger {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 24px;
  align-items: baseline;
  gap: 12px;
  width: 100%;
  padding: 26px 0;
  border: 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.accordion__number {
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.accordion__question {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1.7vw, 1.55rem);
  line-height: 1.3;
  transition: color 0.4s var(--ease);
}

.accordion__trigger:hover .accordion__question,
.accordion__trigger[aria-expanded="true"] .accordion__question {
  font-style: italic;
  color: var(--gold);
}

.accordion__icon {
  position: relative;
  width: 14px;
  height: 14px;
  justify-self: end;
}

.accordion__icon::before,
.accordion__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 14px;
  height: 1px;
  background-color: var(--ink);
  transition: transform 0.6s var(--ease);
}

.accordion__icon::after {
  transform: rotate(90deg);
}

.accordion__trigger[aria-expanded="true"] .accordion__icon::after {
  transform: rotate(0);
}

.accordion__panel {
  overflow: hidden;
  transition: height 0.6s var(--ease);
}

.accordion__panel[hidden] {
  display: none;
}

.accordion__content {
  padding: 0 36px 28px 60px;
  color: var(--muted);
}

.accordion__content p {
  margin: 0;
}

/* --------------------------------------------------------------------------
   19. Appel final + pied de page
   -------------------------------------------------------------------------- */
.closing {
  position: relative;
  padding-block: var(--section-space);
  overflow: hidden;
  text-align: center;
}

.closing__bg {
  position: absolute;
  inset: 0;
  border-radius: 0;
  opacity: 0.32;
}

.closing__bg img {
  height: 120%;
  transform: translate3d(0, var(--parallax, 0px), 0);
}

.closing::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(15, 13, 12, 0.2), var(--night) 78%);
}

.closing__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.closing__inner .label {
  justify-content: center;
}

.closing__title {
  max-width: 14em;
  margin-bottom: 48px;
  font-size: var(--fs-h2);
}

.closing__title em {
  font-style: italic;
  color: var(--gold);
}

.closing .actions {
  justify-content: center;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9375rem;
}

.site-footer__wordmark {
  margin: 0;
  white-space: nowrap;
  padding-top: clamp(64px, 8vw, 120px);
  overflow: hidden;
  font-family: var(--font-display);
  font-size: clamp(3rem, 12.4vw, 13rem);
  font-weight: 400;
  line-height: 0.92;
  letter-spacing: -0.04em;
  color: var(--ink);
}

.site-footer__wordmark span {
  display: inline-block;
}

.site-footer__wordmark em {
  margin-left: 0.18em;
  font-style: italic;
  color: var(--gold);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: 48px;
  padding-block: clamp(56px, 7vw, 96px);
}

.site-footer__about {
  max-width: 24em;
  margin: 0;
}

.site-footer__title {
  margin-bottom: 18px;
  font-family: var(--font-body);
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
}

.site-footer__list li + li {
  margin-top: 8px;
}

.site-footer__list a {
  color: var(--ink);
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 32px;
  padding-block: 26px 34px;
  border-top: 1px solid var(--line);
  font-size: 0.8125rem;
}

.site-footer__bottom p {
  margin: 0;
}

/* --------------------------------------------------------------------------
   20. Formulaires (sur fond sombre)
   -------------------------------------------------------------------------- */
.form__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px 28px;
}

.form__field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

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

.form__label {
  padding: 0;
  font-size: var(--fs-label);
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.form__required {
  margin-left: 4px;
  color: var(--gold);
}

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  min-height: 54px;
  padding: 12px 0;
  border: 0;
  border-bottom: 1px solid var(--line-strong);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  transition: border-color 0.4s var(--ease);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--faint);
  opacity: 1;
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  border-bottom-color: var(--gold);
  outline: none;
}

.form__input:user-invalid,
.form__select:user-invalid,
.form__textarea:user-invalid {
  border-bottom-color: #c66b5c;
}

.form__select {
  padding-right: 32px;
  appearance: none;
  background: url("../../img/icons/caret-down.svg") right 4px center / 10px 6px no-repeat;
  cursor: pointer;
}

.form__select option {
  background-color: var(--night-2);
  color: var(--ink);
}

.form__select:invalid {
  color: var(--faint);
}

.form__textarea {
  min-height: 160px;
  resize: vertical;
}

.form__options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 6px;
}

.form__option {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 9px 18px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 0.875rem;
  cursor: pointer;
  transition: background-color 0.4s var(--ease), color 0.4s var(--ease), border-color 0.4s var(--ease);
}

.form__option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.form__option:hover {
  border-color: var(--gold);
}

.form__option:has(input:checked) {
  border-color: var(--gold);
  background-color: var(--gold);
  color: var(--night);
}

.form__option:has(input:focus-visible) {
  outline: 1px solid var(--gold);
  outline-offset: 3px;
}

.form__file {
  width: 100%;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-strong);
  font-size: 0.875rem;
  color: var(--muted);
}

.form__file::file-selector-button {
  margin-right: 16px;
  padding: 10px 18px;
  border: 1px solid var(--gold);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
}

.form__status {
  margin: 20px 0 0;
  color: var(--gold);
}

.form__status:empty {
  display: none;
}

/* ---- Inscription : chapitres numérotés ---- */
.registration {
  display: grid;
  grid-template-columns: minmax(0, 0.32fr) minmax(0, 1fr);
  gap: 48px clamp(40px, 6vw, 96px);
}

.registration__nav {
  position: sticky;
  top: calc(var(--header-height) + 32px);
  align-self: start;
}

.registration__nav a {
  display: flex;
  gap: 14px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.8125rem;
  color: var(--faint);
  transition: color 0.4s var(--ease);
}

.registration__nav a > * {
  transition: transform 0.6s var(--ease);
}

.registration__nav a span:first-child {
  min-width: 22px;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.registration__nav-label {
  color: inherit;
}

.registration__nav a:hover,
.registration__nav a.is-current {
  color: var(--ink);
}

.registration__nav a:hover > *,
.registration__nav a.is-current > * {
  transform: translateX(8px);
}

.registration__section {
  min-width: 0;
  margin: 0 0 clamp(64px, 7vw, 104px);
  padding: 0;
  border: 0;
}

.registration__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 4px 24px;
  margin-bottom: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--line-strong);
}

.registration__number {
  grid-row: span 3;
  font-family: var(--font-display);
  font-size: clamp(3rem, 5vw, 4.6rem);
  font-style: italic;
  line-height: 0.85;
  color: var(--gold);
}

.registration__heading {
  font-size: clamp(1.7rem, 2.6vw, 2.4rem);
}

.registration__intro {
  margin: 6px 0 0;
  font-size: 0.9375rem;
  color: var(--muted);
}

.registration__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 40px;
  border-top: 1px solid var(--line-strong);
}

.registration__actions p:not(.form__status) {
  max-width: 30em;
  margin: 0;
  font-size: var(--fs-small);
  color: var(--muted);
}

/* ---- Contact ---- */
.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 56px clamp(48px, 7vw, 120px);
}

.contact__detail {
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.contact__detail:last-child {
  border-bottom: 1px solid var(--line);
}

.contact__detail-label {
  margin: 0 0 6px;
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
}

.contact__detail-value {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2vw, 1.9rem);
  line-height: 1.3;
}

.contact__form .h2 {
  margin-bottom: 14px;
  font-size: clamp(2rem, 3vw, 3rem);
}

.contact__form-intro {
  margin-bottom: 48px;
  color: var(--muted);
}

.contact__actions {
  margin-top: 48px;
}

.contact__map {
  height: clamp(320px, 40vw, 560px);
  margin-top: clamp(80px, 10vw, 140px);
  border-radius: 0;
  filter: grayscale(1) invert(0.9) contrast(0.85) brightness(0.9);
}

.contact__map iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* --------------------------------------------------------------------------
   21. Mentions légales
   -------------------------------------------------------------------------- */
.legal {
  max-width: 760px;
}

.legal h2 {
  margin: 64px 0 18px;
  font-size: var(--fs-h3);
}

.legal p {
  color: var(--muted);
}

.legal__todo {
  padding: 20px 0 20px 24px;
  border-left: 1px solid var(--gold);
}