/* =========================================================
   AVENS CONSEIL — Feuille de style principale
   Palette : navy profond / or / crème (identité de marque validée)
   Typo : Playfair Display (titres) + Inter (texte)
   ========================================================= */

:root {
  --navy: #0E1B33;
  --navy-2: #16274A;
  --navy-3: #1F335C;
  --gold: #BC9A56;
  --gold-light: #D8BE87;
  --cream: #F8F5EC;
  --cream-2: #F0EADC;
  --ink: #1E1B17;
  --ink-soft: #615C52;
  --white: #FFFFFF;
  --line: rgba(14, 27, 51, 0.12);
  --line-on-navy: rgba(248, 245, 236, 0.16);

  --font-display: 'Playfair Display', 'Georgia', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --container: 1180px;
  --radius-sm: 2px;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.25rem;
  --space-5: 3.5rem;
  --space-6: 5rem;
  --space-7: 7rem;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0;
  color: var(--navy);
}
p { margin: 0; }
button { font-family: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

/* ---------- Eyebrow / section head ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-weight: 600;
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: var(--space-2);
}
.eyebrow::before {
  content: '';
  width: 0; height: 0;
  border-style: solid;
  border-width: 5px 0 5px 8px;
  border-color: transparent transparent transparent var(--gold);
}
.eyebrow--light { color: var(--gold-light); }

.section-head { max-width: 640px; margin-bottom: var(--space-5); }
.section-title { font-size: clamp(1.75rem, 2.6vw, 2.4rem); }
.section-lead { margin-top: var(--space-2); color: var(--ink-soft); font-size: 1.05rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .85rem 1.7rem;
  font-size: .92rem;
  font-weight: 600;
  letter-spacing: .02em;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}
.btn--primary { background: var(--gold); color: var(--navy); border-color: var(--gold); }
.btn--primary:hover { background: var(--gold-light); border-color: var(--gold-light); }
.btn--outline-light { border-color: rgba(248,245,236,.5); color: var(--cream); }
.btn--outline-light:hover { border-color: var(--cream); background: rgba(248,245,236,.08); }
.btn--outline-navy { border-color: var(--navy); color: var(--navy); }
.btn--outline-navy:hover { background: var(--navy); color: var(--cream); }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 100; background: var(--cream); border-bottom: 1px solid rgba(14,27,51,.10); }
.header-strip { height: 4px; background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold)); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding-block: .8rem; }

.logo { display: flex; align-items: center; gap: .7rem; }
.logo-mark { width: 32px; height: 32px; color: var(--gold); flex-shrink: 0; }
.logo-word {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: .03em;
  line-height: 1.1;
  color: var(--cream);
}
.logo-word span {
  display: block;
  font-family: var(--font-body);
  font-size: .6rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-top: .2rem;
}

.nav { display: flex; align-items: center; gap: var(--space-5); }
.nav-links { display: flex; gap: var(--space-3); flex-wrap: nowrap; }
.nav-links a {
  font-size: .92rem;
  white-space: nowrap;
  font-weight: 500;
  color: rgba(14,27,51,.78);
  padding-block: .3rem;
  border-bottom: 1.5px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--navy); border-color: var(--gold); }

.header-cta { display: flex; align-items: center; gap: var(--space-3); }
.header-phone { font-size: .87rem; color: rgba(14,27,51,.7); white-space: nowrap; }
.header-phone strong { color: var(--navy); font-weight: 600; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px; height: 34px;
  background: none; border: none; padding: 0;
}
.nav-toggle span { display: block; width: 100%; height: 2px; background: var(--navy); transition: transform .2s ease, opacity .2s ease; }
.nav-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; background: var(--navy); color: var(--cream); overflow: hidden; padding-block: var(--space-7) var(--space-6); }
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(188,154,86,.07) 0 1px, transparent 1px 64px);
  pointer-events: none;
}
.hero-inner { position: relative; max-width: 760px; }
.hero h1 { font-size: clamp(2.3rem, 5vw, 3.6rem); color: var(--white); }
.hero .lead { margin-top: var(--space-3); font-size: 1.15rem; color: rgba(248,245,236,.82); max-width: 620px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-4); }
.hero-pillars {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4);
  margin-top: var(--space-6); border-top: 1px solid var(--line-on-navy);
  padding-top: var(--space-4); max-width: 860px;
}
.hero-pillar h3 { color: var(--cream); font-size: 1rem; font-family: var(--font-body); font-weight: 600; }
.hero-pillar p { color: rgba(248,245,236,.66); font-size: .9rem; margin-top: .45rem; }

/* ---------- Sectors bar ---------- */
.sectors { background: var(--cream-2); padding-block: var(--space-4); border-bottom: 1px solid var(--line); }
.sectors-inner { display: flex; align-items: center; gap: var(--space-4); flex-wrap: wrap; }
.sectors-label { font-size: .82rem; font-weight: 600; letter-spacing: .04em; color: var(--ink-soft); }
.sector-tags { display: flex; gap: .7rem; flex-wrap: wrap; }
.sector-tag { font-size: .87rem; font-weight: 500; padding: .45rem 1rem; border: 1px solid var(--line); border-radius: 999px; color: var(--navy); background: var(--white); }

/* ---------- Section generic ---------- */
.section { padding-block: var(--space-7); }
.section--white { background: var(--white); }
.section--tight { padding-block: var(--space-6); }

/* ---------- Expertise cards ---------- */
.cards-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5px; background: var(--line); border: 1px solid var(--line); }
.card-expertise { background: var(--white); padding: var(--space-4); }
.card-expertise__code { font-family: var(--font-display); font-size: .85rem; font-weight: 700; color: var(--gold); letter-spacing: .08em; }
.card-expertise h3 { margin-top: var(--space-2); font-size: 1.3rem; }
.card-expertise p { margin-top: var(--space-2); color: var(--ink-soft); }
.card-expertise a { display: inline-flex; align-items: center; gap: .4rem; margin-top: var(--space-3); font-size: .88rem; font-weight: 600; color: var(--navy); border-bottom: 1.5px solid var(--gold); }

/* Carte expertise phare (IA) */
.card-expertise--feature {
  grid-column: 1 / -1;
  background: var(--navy);
  color: var(--cream);
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: var(--space-4);
  align-items: center;
  padding: var(--space-5) var(--space-4);
}
.card-expertise--feature h3 { color: var(--white); font-size: 1.6rem; }
.card-expertise--feature p { color: rgba(248,245,236,.75); }
.card-expertise--feature .card-expertise__code { color: var(--gold-light); }
.card-expertise--feature a { color: var(--cream); border-bottom-color: var(--gold-light); }
.badge-feature {
  display: inline-block;
  margin-left: .8rem;
  padding: .2rem .6rem;
  font-family: var(--font-body);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--navy);
  background: var(--gold);
  vertical-align: middle;
}
.feature-modules { display: grid; gap: .9rem; }
.feature-module { display: flex; gap: .8rem; align-items: flex-start; }
.feature-module__mark {
  flex-shrink: 0; margin-top: .45em;
  width: 0; height: 0; border-style: solid;
  border-width: 0 5px 8px 5px;
  border-color: transparent transparent var(--gold) transparent;
}
.feature-module h4 { font-family: var(--font-body); font-size: .95rem; font-weight: 600; color: var(--cream); margin: 0; }
.feature-module p { font-size: .87rem; margin-top: .15rem; }

/* ---------- Process ---------- */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
.process-step__num {
  display: flex; align-items: center; justify-content: center;
  width: 42px; height: 42px;
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
  background: var(--navy); color: var(--gold);
  font-family: var(--font-display); font-weight: 700; font-size: .92rem;
  margin-bottom: var(--space-3);
}
.process-step h3 { font-size: 1.02rem; font-family: var(--font-body); font-weight: 600; }
.process-step p { margin-top: .5rem; color: var(--ink-soft); font-size: .92rem; }

/* ---------- Quote ---------- */
.quote-block { background: var(--navy); color: var(--cream); padding-block: var(--space-6); }
.quote-block blockquote { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.3rem, 2.4vw, 1.8rem); line-height: 1.4; max-width: 780px; margin: 0; }
.quote-block cite { display: block; margin-top: var(--space-3); font-style: normal; font-size: .92rem; color: var(--gold-light); }
.quote-block cite span { display: block; color: rgba(248,245,236,.6); font-size: .85rem; margin-top: .2rem; }

/* ---------- Values grid ---------- */
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
.value-item { border-top: 2px solid var(--gold); padding-top: var(--space-2); }
.value-item h3 { font-size: 1.05rem; font-family: var(--font-body); font-weight: 600; }
.value-item p { margin-top: .5rem; color: var(--ink-soft); font-size: .9rem; }

/* ---------- CTA banner ---------- */
.cta-banner { background: var(--gold); color: var(--navy); padding-block: var(--space-5); text-align: center; }
.cta-banner h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
.cta-banner p { margin-top: var(--space-2); color: rgba(14,27,51,.75); }
.cta-banner .btn { margin-top: var(--space-3); }
.cta-banner .btn--primary { background: var(--navy); color: var(--cream); border-color: var(--navy); }
.cta-banner .btn--primary:hover { background: var(--navy-2); }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: rgba(248,245,236,.75); padding-block: var(--space-6) var(--space-4); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--space-4); padding-bottom: var(--space-5); border-bottom: 1px solid var(--line-on-navy); }
.footer-brand p { margin-top: var(--space-2); font-size: .9rem; max-width: 280px; color: rgba(248,245,236,.55); }
.footer-col h4 { font-family: var(--font-body); color: var(--cream); font-size: .82rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; margin-bottom: var(--space-2); }
.footer-col li { margin-bottom: .6rem; font-size: .9rem; }
.footer-col a:hover { color: var(--gold-light); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: var(--space-3); font-size: .82rem; color: rgba(248,245,236,.48); flex-wrap: wrap; gap: .5rem; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: .9fr 1.3fr; gap: var(--space-6); align-items: start; }
.contact-info-item { display: flex; flex-direction: column; gap: .3rem; padding-block: var(--space-3); border-top: 1px solid var(--line); }
.contact-info-item:first-child { border-top: none; padding-top: 0; }
.contact-info-item h3 { font-size: .95rem; font-family: var(--font-body); font-weight: 600; }
.contact-info-item p, .contact-info-item a { color: var(--ink-soft); font-size: .95rem; }
.contact-info-item a:hover { color: var(--navy); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 var(--space-3); }
.form-field { display: flex; flex-direction: column; gap: .4rem; margin-bottom: var(--space-3); }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: .85rem; font-weight: 600; color: var(--navy); }
.form-field input, .form-field textarea {
  font-family: var(--font-body); font-size: .95rem;
  padding: .75rem .9rem; border: 1px solid var(--line);
  border-radius: var(--radius-sm); background: var(--white); color: var(--ink);
}
.form-field input:focus, .form-field textarea:focus { border-color: var(--gold); }
.form-note { font-size: .82rem; color: var(--ink-soft); margin-top: var(--space-2); }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Souveraineté : engagements ---------- */
.sovereignty { background: var(--navy); color: var(--cream); padding-block: var(--space-7); position: relative; overflow: hidden; }
.sovereignty::before {
  content: '';
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(188,154,86,.06) 0 1px, transparent 1px 64px);
  pointer-events: none;
}
.sovereignty > .container { position: relative; }
.sovereignty .section-title { color: var(--white); }
.sovereignty .section-lead { color: rgba(248,245,236,.78); }
.commitments-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line-on-navy); border: 1px solid var(--line-on-navy); }
.commitment { background: var(--navy); padding: var(--space-4); }
.commitment__icon { width: 26px; height: 26px; color: var(--gold); margin-bottom: var(--space-2); }
.commitment h3 { font-family: var(--font-body); font-size: 1rem; font-weight: 600; color: var(--cream); }
.commitment p { margin-top: .5rem; font-size: .9rem; color: rgba(248,245,236,.68); }

/* Bandeau promesse compact (accueil) */
.promise-band { background: var(--navy-2); color: var(--cream); padding-block: var(--space-5); }
.promise-band__inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: var(--space-5); align-items: center; }
.promise-band h2 { color: var(--white); font-size: clamp(1.5rem, 2.5vw, 2rem); }
.promise-band p { margin-top: var(--space-2); color: rgba(248,245,236,.75); }
.promise-list { display: grid; gap: .8rem; }
.promise-list li { display: flex; gap: .8rem; align-items: flex-start; font-size: .95rem; color: rgba(248,245,236,.85); }
.promise-list svg { flex-shrink: 0; width: 20px; height: 20px; color: var(--gold); margin-top: .1rem; }

/* ---------- Cas d'usage par fonction ---------- */
.usecase-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5px; background: var(--line); border: 1px solid var(--line); }
.usecase-card { background: var(--white); padding: var(--space-4); }
.usecase-card__fn { font-size: .74rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--gold); }
.usecase-card h3 { margin-top: .6rem; font-family: var(--font-body); font-size: 1.02rem; font-weight: 600; }
.usecase-card p { margin-top: .5rem; font-size: .9rem; color: var(--ink-soft); }

/* ---------- Options de déploiement ---------- */
.deploy-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.deploy-card { background: var(--white); border: 1px solid var(--line); border-top: 3px solid var(--gold); padding: var(--space-4); }
.deploy-card h3 { font-size: 1.1rem; }
.deploy-card__meta { display: block; margin-top: .4rem; font-size: .8rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--gold); }
.deploy-card p { margin-top: var(--space-2); font-size: .92rem; color: var(--ink-soft); }

/* ---------- Tableau de contraste ---------- */
.contrast-table { width: 100%; border-collapse: collapse; margin-top: var(--space-4); font-size: .93rem; }
.contrast-table th, .contrast-table td { text-align: left; padding: .95rem 1rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.contrast-table thead th { font-family: var(--font-body); font-size: .78rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); border-bottom: 2px solid var(--navy); }
.contrast-table thead th:last-child { color: var(--navy); }
.contrast-table td:first-child { font-weight: 600; color: var(--navy); width: 26%; }
.contrast-table td:last-child { background: var(--cream-2); }
.table-scroll { overflow-x: auto; }

/* ---------- Inner page hero ---------- */
.page-hero { background: var(--navy); color: var(--cream); padding-block: var(--space-6) var(--space-5); }
.page-hero h1 { color: var(--white); font-size: clamp(2rem, 4vw, 2.8rem); }
.page-hero p { margin-top: var(--space-2); color: rgba(248,245,236,.78); max-width: 620px; }

/* ---------- Service detail ---------- */
.service-detail { display: grid; grid-template-columns: .5fr 1.5fr; gap: var(--space-5); padding-block: var(--space-5); border-top: 1px solid var(--line); }
.service-detail:first-of-type { border-top: none; }
.service-detail[id] { scroll-margin-top: 110px; }
section[id] { scroll-margin-top: 90px; }
.service-detail__code { font-family: var(--font-display); font-size: 2.3rem; font-weight: 700; color: var(--gold); line-height: 1; }
.service-detail h2 { margin-top: var(--space-2); font-size: 1.5rem; }
.service-detail__list { margin-top: var(--space-3); }
.service-detail__list li { position: relative; padding-left: 1.3rem; margin-bottom: .65rem; color: var(--ink-soft); font-size: .95rem; }
.service-detail__list li::before { content: ''; position: absolute; left: 0; top: .55em; width: 6px; height: 6px; background: var(--gold); }

/* Bloc service mis en avant (IA) */
.service-detail--feature { background: var(--cream-2); padding: var(--space-5) var(--space-4); border-top: none; margin-bottom: var(--space-5); }
.service-detail--feature .service-detail__code { color: var(--navy); }
.service-usecases { margin-top: var(--space-4); padding-top: var(--space-3); border-top: 1px solid var(--line); }
.service-usecases h3 { font-family: var(--font-body); font-size: .82rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: var(--space-2); }
.usecase-tags { display: flex; flex-wrap: wrap; gap: .6rem; }
.usecase-tag { font-size: .85rem; padding: .4rem .9rem; background: var(--white); border: 1px solid var(--line); color: var(--navy); }

/* ---------- Mobile nav ---------- */
@media (max-width: 1000px) {
  .header-phone { display: none; }
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; inset: 65px 0 0 0; z-index: 90;
    background: var(--cream); flex-direction: column;
    padding: var(--space-4) var(--space-3);
    gap: var(--space-3);
    transform: translateY(-8px); opacity: 0; pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
  }
  .nav-links.is-open { opacity: 1; transform: none; pointer-events: auto; }
  .nav-links a { font-size: 1.05rem; display: block; }

  .cards-grid, .process-grid, .values-grid { grid-template-columns: repeat(2, 1fr); }
  .commitments-grid, .usecase-grid, .deploy-grid { grid-template-columns: repeat(2, 1fr); }
  .promise-band__inner { grid-template-columns: 1fr; gap: var(--space-4); }
  .card-expertise--feature { grid-template-columns: 1fr; gap: var(--space-3); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid, .service-detail { grid-template-columns: 1fr; }
  .hero-pillars { grid-template-columns: 1fr; }
  .service-detail__code { font-size: 1.6rem; }
}

@media (max-width: 620px) {
  .cards-grid, .process-grid, .values-grid, .form-grid { grid-template-columns: 1fr; }
  .commitments-grid, .usecase-grid, .deploy-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-4); }
  .sectors-inner { flex-direction: column; align-items: flex-start; }
  .header-cta .btn { padding: .7rem 1.2rem; font-size: .85rem; }
}

/* ---------- Page 404 : cartes cliquables ---------- */
a.usecase-card { display: block; transition: background .2s ease; }
a.usecase-card:hover { background: var(--cream-2); }
a.usecase-card h3 { color: var(--navy); }

/* Logo image (pave creme assume) */
.logo-img { height: 74px; width: auto; display: block; }
@media (max-width: 640px){ .logo-img { height: 54px; } }