/* =========================================================
   AMAR CONSULTING — Design system
   Sobriété : un fond ivoire, un texte encre, le champagne en filet.
   Contenu : Présentation Corporate 2026.
   ========================================================= */

/* ---------- 1. Tokens ---------- */
:root {
  --ivory:      #FBFAF6;
  --ivory-alt:  #F4F1E9;
  --surface:    #FFFFFF;

  --ink:        #15191A;
  --ink-soft:   #5E6766;
  --ink-deep:   #0C100F;

  --champagne:  #B99D67;
  --forest:     #1E4237;

  --line:       rgba(21, 25, 26, .12);
  --line-soft:  rgba(21, 25, 26, .07);
  --line-dark:  rgba(251, 250, 246, .16);

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
          Helvetica, Arial, sans-serif;

  --fs-hero: clamp(2.35rem, 1.5rem + 3.6vw, 4rem);
  --fs-h1:   clamp(1.95rem, 1.4rem + 2.2vw, 3rem);
  --fs-h2:   clamp(1.55rem, 1.25rem + 1.4vw, 2.25rem);
  --fs-h3:   clamp(1.08rem, 1.02rem + .3vw, 1.22rem);
  --fs-body: clamp(1rem, .98rem + .1vw, 1.0625rem);
  --fs-sm:   .9375rem;
  --fs-xs:   .78rem;

  --section: clamp(4rem, 2.8rem + 5vw, 7rem);
  --gutter:  clamp(1.25rem, .7rem + 2.2vw, 2.75rem);
  --maxw:    1140px;
  --narrow:  720px;

  --ease: cubic-bezier(.22, .61, .36, 1);
  --header-h: 96px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  background: var(--ivory);
  color: var(--ink);
  font-family: var(--font);
  font-size: var(--fs-body);
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -.022em;
  margin: 0 0 .6em;
}
h1 { letter-spacing: -.032em; }
h1, h2, h3 { text-wrap: balance; }
p, li { text-wrap: pretty; }
p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

a { color: inherit; text-decoration: none; }
ul, ol { margin: 0 0 1.1em; padding-left: 1.1em; }
li { margin-bottom: .35em; }
button { font: inherit; color: inherit; }

::selection { background: var(--champagne); color: #fff; }
:focus-visible { outline: 2px solid var(--champagne); outline-offset: 3px; }

/* ---------- 3. Mise en page ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.wrap--narrow { max-width: var(--narrow); }

.section { padding-block: var(--section); }
.section--tight { padding-block: clamp(2.75rem, 2rem + 3vw, 4.5rem); }
.section--alt { background: var(--ivory-alt); }
.section + .section:not(.section--alt) { border-top: 1px solid var(--line-soft); }

.eyebrow {
  display: block;
  margin: 0 0 1rem;
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--champagne);
}

.head { max-width: 640px; margin-bottom: clamp(2.25rem, 1.5rem + 2.5vw, 3.5rem); }
.head--center { margin-inline: auto; text-align: center; }
.head h2 { font-size: var(--fs-h2); margin-bottom: .4em; }
.head p { color: var(--ink-soft); }

.lead { font-size: clamp(1.06rem, 1rem + .4vw, 1.28rem); color: var(--ink-soft); }

.skip-link {
  position: fixed; top: -60px; left: 0; z-index: 200;
  padding: .75rem 1.25rem; background: var(--ink-deep); color: var(--ivory);
  font-size: var(--fs-sm);
}
.skip-link:focus { top: 0; }

/* ---------- 4. Boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .82rem 1.6rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--ivory);
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: .01em;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}
.btn:hover { background: transparent; color: var(--ink); }

.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--ivory); }

.btn--light { background: transparent; border-color: var(--line-dark); color: var(--ivory); }
.btn--light:hover { background: var(--ivory); border-color: var(--ivory); color: var(--ink); }

.btn-row { display: flex; flex-wrap: wrap; gap: .75rem; }

.link {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-size: var(--fs-sm);
  font-weight: 500;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: gap .3s var(--ease), border-color .3s var(--ease);
}
.link:hover { gap: .75rem; border-bottom-color: var(--ink); }

/* ---------- 5. En-tête ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: var(--ivory);
  border-bottom: 1px solid transparent;
  transition: height .3s var(--ease), border-color .3s var(--ease);
}
.site-header.is-solid { height: 76px; border-bottom-color: var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }

.brand { display: flex; align-items: center; flex-shrink: 0; }
.brand__logo {
  height: clamp(52px, 2.4rem + 2vw, 68px);
  width: auto;
  transition: height .3s var(--ease);
}
.site-header.is-solid .brand__logo { height: clamp(44px, 2rem + 1.6vw, 54px); }

.nav { display: flex; align-items: center; gap: clamp(1rem, .3rem + 1.5vw, 2.1rem); }
.nav a {
  position: relative;
  font-size: var(--fs-sm);
  color: var(--ink-soft);
  transition: color .25s var(--ease);
}
.nav a:hover { color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); }
.nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -7px;
  height: 1px;
  background: var(--champagne);
}
.nav .btn { color: var(--ivory); }
.nav .btn:hover { color: var(--ink); }
.nav .btn::after { display: none; }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
  place-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block;
  width: 18px; height: 1.5px;
  background: var(--ink);
  transition: transform .3s var(--ease), opacity .2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ---------- 6. Bannières ---------- */
.hero { padding-block: clamp(3.5rem, 2rem + 6vw, 7rem) clamp(3rem, 2rem + 4vw, 5.5rem); }
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(2.5rem, 1.5rem + 4vw, 5rem);
  align-items: center;
}
.hero h1 { font-size: var(--fs-hero); margin-bottom: .4em; }
.hero h1 em { font-style: normal; display: block; color: var(--champagne); }
.hero__lead { font-size: clamp(1.02rem, .98rem + .4vw, 1.18rem); color: var(--ink-soft); max-width: 46ch; }
.hero__place {
  margin-top: 2.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: var(--fs-xs);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.hero__photo { position: relative; }
.hero__photo img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center 18%;
}

.page-head {
  padding-block: clamp(2.75rem, 2rem + 4vw, 5rem) clamp(2rem, 1.5rem + 2.5vw, 3.25rem);
  border-bottom: 1px solid var(--line-soft);
}
.page-head h1 { font-size: var(--fs-h1); margin-bottom: .35em; }
.page-head p { max-width: 58ch; color: var(--ink-soft); }
.crumbs {
  margin: 0 0 1.4rem;
  font-size: var(--fs-xs);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.crumbs span { margin-inline: .5rem; opacity: .5; }

/* ---------- 7. Citation de positionnement ---------- */
.stance {
  padding-block: clamp(2.5rem, 2rem + 2vw, 3.75rem);
  background: var(--ink-deep);
  color: var(--ivory);
}
.stance p {
  max-width: 54ch;
  margin: 0 auto;
  text-align: center;
  font-size: clamp(1.1rem, 1rem + .6vw, 1.45rem);
  line-height: 1.5;
  letter-spacing: -.015em;
}
.stance b { font-weight: 500; color: inherit; }

/* ---------- 8. Grilles ---------- */
.grid { display: grid; gap: clamp(1.5rem, 1rem + 1.5vw, 2.5rem); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* Item : pas de carte, pas d'ombre — un filet suffit */
.item { padding-top: 1.4rem; border-top: 1px solid var(--line); }
.item h3 { font-size: var(--fs-h3); margin-bottom: .45em; }
.item p { color: var(--ink-soft); font-size: var(--fs-sm); }
.item__no {
  display: block;
  margin-bottom: .9rem;
  font-size: var(--fs-xs);
  font-variant-numeric: tabular-nums;
  letter-spacing: .16em;
  color: var(--champagne);
}

/* Liste numérotée en pleine largeur */
.steps { display: grid; }
.step {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr);
  gap: clamp(1rem, .5rem + 1.5vw, 2.25rem);
  padding-block: 1.6rem;
  border-top: 1px solid var(--line);
  align-items: baseline;
}
.step:last-child { border-bottom: 1px solid var(--line); }
.step__no {
  font-size: var(--fs-sm);
  font-variant-numeric: tabular-nums;
  letter-spacing: .1em;
  color: var(--champagne);
}
.step h3 { font-size: var(--fs-h3); margin-bottom: .3em; }
.step p { color: var(--ink-soft); font-size: var(--fs-sm); margin: 0; }

/* Définitions : vision / mission / promesse, valeurs */
.defs { display: grid; }
.def {
  display: grid;
  grid-template-columns: 13rem minmax(0, 1fr);
  gap: clamp(1rem, .5rem + 1.5vw, 2.25rem);
  padding-block: 1.5rem;
  border-top: 1px solid var(--line);
}
.def:last-child { border-bottom: 1px solid var(--line); }
.def dt {
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  line-height: 1.9;
}
.def dd { margin: 0; color: var(--ink-soft); }

/* Entités */
.entity { padding-top: 1.5rem; border-top: 1px solid var(--line); }
.entity__name { font-size: 1.05rem; font-weight: 600; letter-spacing: .14em; margin-bottom: .9em; }
.entity__name b { font-weight: 300; color: var(--champagne); }
.entity p { color: var(--ink-soft); font-size: var(--fs-sm); }
.soon {
  display: inline-block;
  margin-left: .6rem;
  padding: .1rem .5rem;
  border: 1px solid var(--line);
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-soft);
  vertical-align: 2px;
}

/* Étiquettes */
.tags { display: flex; flex-wrap: wrap; gap: .4rem; list-style: none; margin: 1.25rem 0 0; padding: 0; }
.tags li { margin: 0; }
.tags span {
  display: inline-block;
  padding: .28rem .7rem;
  border: 1px solid var(--line);
  font-size: var(--fs-xs);
  color: var(--ink-soft);
}

/* Portrait secondaire */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
  gap: clamp(2rem, 1.5rem + 3vw, 4.5rem);
  align-items: center;
}
.split img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.split figcaption {
  margin-top: .9rem;
  font-size: var(--fs-xs);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.split figure { margin: 0; }

/* ---------- 9. Formulaire ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 1.5rem + 3vw, 4.5rem);
}
.info { list-style: none; margin: 2rem 0 0; padding: 0; display: grid; gap: 1.4rem; }
.info li { margin: 0; }
.info strong {
  display: block;
  margin-bottom: .2rem;
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.info a:hover { color: var(--champagne); }

.field { margin-bottom: 1.15rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.15rem; }
.field label {
  display: block;
  margin-bottom: .45rem;
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: .8rem .9rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: var(--fs-sm);
  transition: border-color .25s var(--ease);
}
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--champagne);
}
.form-note { margin-top: .9rem; font-size: var(--fs-xs); color: var(--ink-soft); }

/* ---------- 10. Pied de page ---------- */
.site-footer {
  background: var(--ink-deep);
  color: rgba(251, 250, 246, .62);
  padding-top: clamp(3rem, 2.25rem + 2.5vw, 4.5rem);
  font-size: var(--fs-sm);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: clamp(1.75rem, 1rem + 2.5vw, 3.5rem);
  padding-bottom: clamp(2.25rem, 1.75rem + 2vw, 3.5rem);
}
.site-footer .brand__logo { height: clamp(58px, 3rem + 2vw, 72px); }
.footer__brand p { max-width: 32ch; margin-top: 1.1rem; }
.site-footer h4 {
  margin-bottom: 1rem;
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ivory);
}
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; }
.site-footer li { margin: 0; }
.site-footer a { transition: color .25s var(--ease); }
.site-footer a:hover { color: var(--champagne); }
.footer__bar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-block: 1.4rem;
  border-top: 1px solid var(--line-dark);
  font-size: var(--fs-xs);
}
.footer__bar p { margin: 0; }
.footer__bar .sign { letter-spacing: .14em; text-transform: uppercase; color: var(--champagne); }

/* ---------- 11. Appel à l'action ---------- */
.cta { background: var(--ink-deep); color: var(--ivory); text-align: center; }
.cta h2 { font-size: var(--fs-h2); margin-bottom: .45em; }
.cta p { max-width: 52ch; margin-inline: auto; color: rgba(251, 250, 246, .7); margin-bottom: 1.9rem; }
.cta .btn-row { justify-content: center; }
.cta .btn { background: var(--ivory); border-color: var(--ivory); color: var(--ink); }
.cta .btn:hover { background: transparent; color: var(--ivory); }

/* ---------- 12. Apparition ---------- */
.js-anim .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .07s; }
.reveal[data-delay="2"] { transition-delay: .14s; }
.reveal[data-delay="3"] { transition-delay: .21s; }
.reveal[data-delay="4"] { transition-delay: .28s; }
.reveal[data-delay="5"] { transition-delay: .35s; }

/* ---------- 12bis. Images illustratives ---------- */

/* Révélation par volet : l'image se découvre du bas vers le haut
   pendant que le cadrage se détend. */
.unveil { overflow: hidden; }
.js-anim .unveil {
  clip-path: inset(0 0 100% 0);
  transition: clip-path 1.15s var(--ease);
}
.unveil.is-visible { clip-path: inset(0 0 0 0); }
.js-anim .unveil img {
  transform: scale(1.09);
  transition: transform 1.6s var(--ease);
}
.unveil.is-visible img { transform: none; }

/* Filet champagne tracé sous les titres de section */
.head.reveal h2::after {
  content: "";
  display: block;
  width: 46px;
  height: 1px;
  margin-top: 1.1rem;
  background: var(--champagne);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .9s var(--ease) .25s;
}
.head--center.reveal h2::after { margin-inline: auto; transform-origin: center; }
.head.reveal.is-visible h2::after { transform: scaleX(1); }

/* Bande de positionnement sur image */
.stance--media {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding-block: clamp(4.5rem, 3rem + 6vw, 8rem);
}
.stance--media .stance__bg {
  position: absolute;
  inset: -12% 0;
  z-index: -2;
}
.stance--media .stance__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: translate3d(0, var(--par, 0px), 0);
  will-change: transform;
}
.stance--media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(12, 16, 15, .74);
}
.stance--media p { color: var(--ivory); }

/* Image accompagnant une section */
.media { margin: 0; }
.media img { width: 100%; object-fit: cover; }
.media figcaption {
  margin-top: .85rem;
  font-size: var(--fs-xs);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.section-media {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .9fr);
  gap: clamp(2rem, 1.5rem + 3vw, 4.5rem);
  align-items: center;
}
.section-media .media img { aspect-ratio: 4 / 3; }

/* Vignette d'entité */
.entity__media { overflow: hidden; margin-bottom: 1.4rem; }
.entity__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform .9s var(--ease);
}
.entity:hover .entity__media img { transform: scale(1.05); }

/* Les blocs se soulèvent à peine au survol */
.item, .entity { transition: transform .5s var(--ease); }
.item:hover, .entity:hover { transform: translateY(-3px); }
.step__no { transition: color .4s var(--ease), transform .4s var(--ease); }
.step:hover .step__no { color: var(--ink); transform: translateX(3px); }

@media (max-width: 920px) {
  .section-media { grid-template-columns: 1fr; }
}

/* ---------- 13. Responsive ---------- */
@media (max-width: 920px) {
  :root { --header-h: 80px; }
  .nav-toggle { display: grid; }
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--ivory);
    border-bottom: 1px solid var(--line);
    padding: .25rem var(--gutter) 1.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav a { padding: .9rem 0; border-bottom: 1px solid var(--line-soft); }
  .nav a[aria-current="page"]::after { display: none; }
  .nav .btn { margin-top: 1rem; justify-content: center; border-bottom: 0; }
  .brand__logo, .site-header.is-solid .brand__logo { height: 50px; }

  .hero__grid { grid-template-columns: 1fr; gap: 2.25rem; }
  .hero__photo img { aspect-ratio: 3 / 2; }
  .split { grid-template-columns: 1fr; }
  .split img { aspect-ratio: 3 / 2; }
  .contact-grid { grid-template-columns: 1fr; }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  .grid--2, .grid--3 { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .def { grid-template-columns: 1fr; gap: .35rem; }
  .step { grid-template-columns: 1fr; gap: .25rem; }
  .footer__bar { flex-direction: column; }
}

/* ---------- 14. Préférences ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .js-anim .reveal { opacity: 1; transform: none; }
  .js-anim .unveil { clip-path: none; }
  .js-anim .unveil img, .unveil.is-visible img { transform: none; }
}

@media print {
  .site-header, .nav-toggle, .cta, .site-footer { display: none; }
  body { background: #fff; color: #000; }
}