/* =========================================================
   A3DIA — Association des Investisseurs Arkéon
   Stylesheet principal — palette navy / sans-serif épuré
   ========================================================= */

/* -------- Design Tokens -------- */
:root {
  /* Palette : bleu marine adouci, plus serein et accessible */
  --navy-950: #243164;   /* fond le plus profond (footer) */
  --navy-900: #2d3d7a;   /* header, formulaires */
  --navy-800: #384a8f;   /* surfaces accent */
  --navy-700: #4359a8;   /* boutons primaires */
  --navy-600: #5670bf;   /* hover boutons */
  --navy-500: #7188cf;   /* éléments interactifs */
  --navy-100: #e4e9f7;   /* surfaces très claires */
  --navy-50:  #f4f6fc;

  --ink-900: #0a0f1f;
  --ink-700: #2a3142;
  --ink-500: #5b6478;
  --ink-300: #9aa3b8;

  --paper:   #ffffff;
  --cream:   #f8f9fc;
  --line:    #e3e6ee;

  --gold:    #c9a961;    /* accent discret pour les détails premium */
  --success: #16a34a;
  --danger:  #dc2626;

  /* Typography — pile sans-serif épurée et institutionnelle */
  --font-sans: 'Inter', 'Helvetica Neue', 'Helvetica', 'Arial', sans-serif;

  /* Layout */
  --container: 1200px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-xl: 20px;

  /* Shadow — plus subtiles, institutionnelles */
  --shadow-sm: 0 1px 2px rgba(10, 15, 31, 0.04), 0 1px 3px rgba(10, 15, 31, 0.06);
  --shadow-md: 0 2px 8px rgba(10, 15, 31, 0.06), 0 1px 3px rgba(10, 15, 31, 0.04);
  --shadow-lg: 0 12px 28px rgba(10, 19, 48, 0.10), 0 4px 12px rgba(10, 15, 31, 0.05);
  --shadow-xl: 0 24px 48px rgba(10, 19, 48, 0.14);

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease:     cubic-bezier(0.4, 0, 0.2, 1);
}

/* -------- Reset & Base -------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-900);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'kern' 1, 'liga' 1;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.15;
  margin: 0;
  color: var(--ink-900);
}

h1 { font-size: clamp(2rem, 4vw, 3.25rem); letter-spacing: -0.025em; }
h2 { font-size: clamp(1.625rem, 3vw, 2.25rem); letter-spacing: -0.02em; }
h3 { font-size: clamp(1.125rem, 1.8vw, 1.375rem); font-weight: 600; }

p { margin: 0; }

/* -------- Layout helpers -------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 720px) {
  .container {
    padding: 0 20px;
  }
}
@media (max-width: 480px) {
  .container {
    padding: 0 18px;
  }
}

.section {
  padding: clamp(64px, 9vw, 120px) 0;
}

/* -------- Buttons -------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  transition: transform 0.25s var(--ease-out), box-shadow 0.3s var(--ease-out),
              background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(255,255,255,0.25), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  pointer-events: none;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.2) 50%, transparent 70%);
  transform: translateX(-110%);
  transition: transform 0.7s var(--ease-out);
  pointer-events: none;
}
.btn:hover::after { opacity: 1; }
.btn:hover::before { transform: translateX(110%); }
.btn:active {
  transform: translateY(1px) scale(0.98);
  transition-duration: 0.08s;
}
.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(67, 89, 168, 0.45);
}

.btn-primary {
  background: var(--navy-700);
  color: var(--paper);
  box-shadow: 0 4px 12px rgba(33, 48, 99, 0.22);
}
.btn-primary:hover {
  background: var(--navy-600);
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(33, 48, 99, 0.28);
}

.btn-light {
  background: var(--paper);
  color: var(--navy-900);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}
.btn-light:hover {
  background: var(--paper);
  color: var(--navy-700);
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.12);
}

.btn-ghost {
  background: transparent;
  color: var(--ink-900);
  border: 1.5px solid var(--line);
}
.btn-ghost:hover {
  border-color: var(--navy-700);
  color: var(--navy-700);
  background: var(--navy-50);
  transform: translateY(-2px);
}

.btn-block { width: 100%; }

/* -------- Header -------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navy-900);
  border-bottom: 1px solid rgba(255,255,255, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}

.logo {
  display: inline-flex;
  align-items: center;
  height: 32px;
}
.logo img {
  height: 26px;
  width: auto;
  display: block;
}
@media (max-width: 720px) {
  .logo {
    height: 28px;
  }
  .logo img {
    height: 22px;
  }
}

.nav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-list {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-link {
  color: rgba(255,255,255, 0.78);
  font-weight: 500;
  font-size: 0.9375rem;
  letter-spacing: 0.005em;
  position: relative;
  padding: 6px 0;
  transition: color 0.25s var(--ease);
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 100%;
  background: var(--paper);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.4s var(--ease-out);
}
.nav-link:hover {
  color: var(--paper);
}
.nav-link:hover::after {
  transform: scaleX(1);
  transform-origin: left center;
}
.nav-link.active {
  color: var(--paper);
}
.nav-link.active::after {
  transform: scaleX(1);
  transform-origin: left center;
}

.nav-cta {
  background: var(--paper);
  color: var(--navy-900);
  padding: 10px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.01em;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.nav-cta:hover {
  background: var(--paper);
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.15);
}
.nav-cta:active {
  transform: translateY(0) scale(0.97);
}

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  color: var(--paper);
}
.nav-toggle svg { width: 24px; height: 24px; }

/* -------- Hero -------- */
/* =========================================================
   HERO — Layout éditorial centré, hiérarchie forte
   ========================================================= */
.hero {
  position: relative;
  min-height: 660px;
  display: flex;
  align-items: center;
  color: var(--paper);
  overflow: hidden;
  isolation: isolate;
  padding: 80px 0 100px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(180deg, rgba(36, 49, 100, 0.45) 0%, rgba(36, 49, 100, 0.85) 100%),
    linear-gradient(135deg, rgba(45, 61, 122, 0.6) 0%, rgba(67, 89, 168, 0.4) 100%),
    url('../assets/images/hero-bg.png') center/cover no-repeat;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 80% 60% at 50% 100%, rgba(86, 112, 191, 0.25) 0%, transparent 70%),
    radial-gradient(circle at 20% 30%, rgba(255,255,255,0.04) 0%, transparent 40%);
}

.hero-content {
  text-align: center;
  max-width: 880px;
  margin: 0 auto;
  position: relative;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 16px;
  border-radius: 999px;
  background: rgba(255,255,255, 0.08);
  border: 1px solid rgba(255,255,255, 0.18);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 28px;
  color: rgba(255,255,255, 0.92);
}
.hero-eyebrow .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 10px rgba(201, 169, 97, 0.7);
  animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(0.85); }
}

/* Headline en deux temps : promesse forte + précision */
.hero-title {
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 28px;
  color: var(--paper);
}
.hero-title .line-1 {
  display: block;
  font-size: clamp(2.25rem, 5.5vw, 4rem);
  letter-spacing: -0.035em;
}
.hero-title .line-2 {
  display: block;
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
  font-weight: 400;
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.78);
  letter-spacing: -0.02em;
}
.hero-title .line-2 em {
  font-style: normal;
  color: var(--paper);
  font-weight: 600;
  position: relative;
  display: inline-block;
}
/* Soulignement doré sous "Arkéon" pour ancrer la marque */
.hero-title .line-2 em::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  background: var(--gold);
  opacity: 0.85;
  transform-origin: left;
  animation: underline-grow 1s var(--ease-out) 0.6s both;
}
@keyframes underline-grow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.hero p.lead {
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.82);
  max-width: 580px;
  margin: 0 auto 40px;
  /* text-wrap balance évite les orphelins typographiques */
  text-wrap: balance;
}

.hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

/* Bouton ghost spécifique au hero (transparent sur fond foncé) */
.btn-hero-ghost {
  background: rgba(255, 255, 255, 0.08);
  color: var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn-hero-ghost:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--paper);
  transform: translateY(-2px);
}
.btn-hero-ghost:active {
  background: rgba(255, 255, 255, 0.06);
}

/* Trust strip : éléments de réassurance sous le CTA */
.hero-trust {
  list-style: none;
  margin: 0;
  padding: 28px 0 0;
  display: flex;
  justify-content: center;
  gap: clamp(28px, 6vw, 56px);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  max-width: 600px;
  margin: 0 auto;
}
.hero-trust li {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero-trust strong {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  font-weight: 700;
  color: var(--paper);
  letter-spacing: -0.02em;
  line-height: 1;
}
.hero-trust span {
  font-size: 0.75rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Indicateur scroll animé (élément de design subtil) */
.hero-scroll-hint {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  width: 22px;
  height: 36px;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
  pointer-events: none;
}
.hero-scroll-hint span {
  display: block;
  width: 3px;
  height: 8px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 2px;
  animation: scroll-bounce 2s var(--ease) infinite;
}
@keyframes scroll-bounce {
  0%, 20% { transform: translateY(0); opacity: 0.8; }
  60% { transform: translateY(8px); opacity: 0; }
  61%, 100% { transform: translateY(0); opacity: 0; }
  85% { opacity: 0.8; }
}

/* Animations d'entrée séquentielles pour donner du rythme */
.js-reveal .hero-eyebrow.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.js-reveal .hero-title.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--ease-out) 0.15s, transform 0.8s var(--ease-out) 0.15s;
}
.js-reveal .hero p.lead.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--ease-out) 0.3s, transform 0.8s var(--ease-out) 0.3s;
}
.js-reveal .hero-cta.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--ease-out) 0.45s, transform 0.8s var(--ease-out) 0.45s;
}
.js-reveal .hero-trust.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--ease-out) 0.6s, transform 0.8s var(--ease-out) 0.6s;
}
.js-reveal .hero-eyebrow.reveal.in,
.js-reveal .hero-title.reveal.in,
.js-reveal .hero p.lead.reveal.in,
.js-reveal .hero-cta.reveal.in,
.js-reveal .hero-trust.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 720px) {
  .hero { min-height: 600px; padding: 60px 0 80px; }
  .hero-trust {
    gap: 24px;
    padding-top: 24px;
  }
  .hero-trust strong { font-size: 1.5rem; }
  .hero-trust span { font-size: 0.7rem; }
  .hero-scroll-hint { display: none; }
}
@media (max-width: 480px) {
  .hero-trust {
    gap: 16px;
    flex-wrap: wrap;
  }
  .hero-trust li {
    flex: 1 1 30%;
  }
}

/* -------- Sections génériques -------- */
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-head .label {
  display: inline-block;
  padding: 6px 14px;
  background: var(--navy-50);
  color: var(--navy-800);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.section-head h2 {
  margin-bottom: 16px;
}
.section-head p {
  margin-top: 0;
  color: var(--ink-500);
  font-size: 1.0625rem;
  line-height: 1.6;
}

/* -------- Mission grid -------- */
.mission-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 880px;
  margin: 0 auto;
}
@media (max-width: 640px) {
  .mission-grid { grid-template-columns: 1fr; }
}
.mission-card {
  position: relative;
  padding: 32px 28px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.3s var(--ease);
}
.mission-card:hover {
  transform: translateY(-4px);
  border-color: var(--navy-100);
  box-shadow: var(--shadow-lg);
}
.mission-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--navy-50), var(--navy-100));
  border-radius: 16px;
  color: var(--navy-700);
  transition: transform 0.4s var(--ease-out), background 0.3s var(--ease), color 0.3s var(--ease);
}
.mission-icon svg {
  width: 36px;
  height: 36px;
}
.mission-card:hover .mission-icon {
  background: linear-gradient(135deg, var(--navy-700), var(--navy-800));
  color: var(--paper);
  transform: scale(1.05) rotate(-3deg);
}
.mission-card h3 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.0625rem;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--ink-900);
  letter-spacing: -0.005em;
}
.mission-card p {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--ink-500);
}

.mission-cta {
  text-align: center;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}
.mission-cta p {
  color: var(--ink-500);
  margin-bottom: 24px;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

/* -------- Actualités carousel -------- */
.actualites-section {
  background: linear-gradient(180deg, var(--cream) 0%, var(--paper) 100%);
}
.carousel-shell {
  position: relative;
}
.carousel-wrapper {
  position: relative;
  margin-top: 24px;
  /* mask-image creates a fade effect at the edges */
  mask-image: linear-gradient(to right, transparent 0%, #000 4%, #000 96%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 4%, #000 96%, transparent 100%);
}
.carousel-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 8px 24px 32px;
  scrollbar-width: none;
}
.carousel-track::-webkit-scrollbar { display: none; }

.actu-card {
  flex: 0 0 280px;
  scroll-snap-align: start;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out), border-color 0.3s var(--ease);
}
.actu-card:hover {
  transform: translateY(-6px);
  border-color: var(--navy-100);
  box-shadow: var(--shadow-lg);
}
.actu-card-media {
  height: 140px;
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
  transition: transform 0.6s var(--ease-out);
}
.actu-card-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 40%, rgba(0,0,0,0.25) 100%);
  transition: background 0.4s var(--ease);
}
.actu-card:hover .actu-card-media {
  transform: scale(1.06);
}
.actu-card:hover .actu-card-media::after {
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.4) 100%);
}
.actu-card-media .badge {
  position: absolute;
  top: 12px; left: 12px;
  padding: 5px 11px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-radius: 4px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy-800);
  z-index: 2;
}
.actu-card-body {
  padding: 20px;
}
.actu-card-body h4 {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 700;
  margin: 0 0 8px;
  letter-spacing: 0.04em;
  color: var(--ink-900);
}
.actu-card-body p {
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--ink-500);
}

.carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px; height: 44px;
  background: var(--navy-800);
  color: var(--paper);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  box-shadow: var(--shadow-md);
  transition: transform 0.2s var(--ease-out), background 0.2s var(--ease);
}
.carousel-nav:hover {
  background: var(--navy-700);
  transform: translateY(-50%) scale(1.06);
}
.carousel-nav.prev { left: -16px; }
.carousel-nav.next { right: -16px; }
.carousel-nav svg { width: 18px; height: 18px; }
@media (max-width: 720px) {
  .carousel-nav.prev { left: 4px; }
  .carousel-nav.next { right: 4px; }
}

.carousel-more {
  text-align: center;
  margin-top: 24px;
}
.carousel-more a {
  color: var(--navy-800);
  font-weight: 600;
  font-size: 0.9375rem;
  border-bottom: 1.5px solid var(--navy-800);
  padding-bottom: 2px;
  transition: opacity 0.2s var(--ease);
}
.carousel-more a:hover { opacity: 0.7; }

/* -------- Newsletter -------- */
.newsletter {
  position: relative;
  padding: 100px 0;
  color: var(--paper);
  overflow: hidden;
  isolation: isolate;
}
.newsletter::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(95deg, var(--navy-950) 0%, var(--navy-950) 42%, rgba(10, 19, 48, 0.75) 60%, rgba(17, 29, 68, 0.25) 90%, transparent 100%),
    url('../assets/images/newsletter-bg.png') right center / cover no-repeat;
}
.newsletter::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.08;
  background-image:
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'><g fill='none' stroke='%23ffffff' stroke-width='1' stroke-opacity='0.4'><circle cx='30' cy='30' r='1.5'/><circle cx='0' cy='0' r='1.5'/><circle cx='60' cy='0' r='1.5'/><circle cx='0' cy='60' r='1.5'/><circle cx='60' cy='60' r='1.5'/></g></svg>");
}
.newsletter-inner {
  max-width: 540px;
}
.newsletter h2 {
  color: var(--paper);
  margin-bottom: 16px;
}
.newsletter p {
  font-size: 1rem;
  color: rgba(255,255,255, 0.85);
  margin-bottom: 28px;
  line-height: 1.6;
}
.newsletter-form {
  display: flex;
  gap: 0;
  background: var(--paper);
  border-radius: 4px;
  padding: 4px;
  max-width: 460px;
  box-shadow: var(--shadow-lg);
}
.newsletter-form input {
  flex: 1;
  border: none;
  outline: none;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 0.9375rem;
  background: transparent;
  color: var(--ink-900);
  min-width: 0;
}
.newsletter-form input::placeholder { color: var(--ink-300); }
.newsletter-form button {
  padding: 12px 26px;
  background: var(--navy-800);
  color: var(--paper);
  border-radius: 3px;
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.01em;
  transition: background 0.2s var(--ease);
}
.newsletter-form button:hover { background: var(--navy-700); }

/* -------- Footer -------- */
.site-footer {
  background: var(--navy-950);
  color: rgba(255,255,255, 0.7);
  padding: 64px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .logo img {
  height: 28px;
  margin-bottom: 20px;
}
.footer-brand p {
  font-size: 0.875rem;
  color: rgba(255,255,255, 0.6);
  line-height: 1.6;
}
.footer-col h5 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper);
  margin: 0 0 18px;
}
.footer-col ul {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col a {
  font-size: 0.875rem;
  display: inline-block;
  transition: color 0.25s var(--ease), transform 0.25s var(--ease-out);
}
.footer-col a:hover {
  color: var(--paper);
  transform: translateX(3px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255, 0.1);
  font-size: 0.8125rem;
  color: rgba(255,255,255, 0.5);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom a {
  color: rgba(255,255,255, 0.7);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
.footer-bottom a:hover { color: var(--paper); }

/* -------- Page Title (interior pages) -------- */
.page-title {
  background: var(--paper);
  text-align: center;
  padding: 80px 0 48px;
}
.page-title h1 {
  font-weight: 700;
  margin-bottom: 16px;
}
.page-title p {
  color: var(--ink-500);
  max-width: 580px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.6;
}

/* -------- Adhésion page -------- */
.adhesion-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 880px;
  margin: 0 auto 56px;
}
.info-card {
  padding: 32px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.info-card h3 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
  color: var(--navy-800);
}
.info-card .price {
  font-family: var(--font-sans);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--navy-900);
  margin-bottom: 12px;
  line-height: 1;
  letter-spacing: -0.02em;
}
.info-card .price span {
  font-size: 0.875rem;
  color: var(--ink-500);
  font-weight: 400;
  letter-spacing: 0;
}
.info-card p {
  font-size: 0.9375rem;
  color: var(--ink-700);
  line-height: 1.6;
}
.info-card p + p { margin-top: 8px; }
.info-card .small {
  font-size: 0.8125rem;
  font-style: italic;
  color: var(--ink-500);
}

/* Form Card — effet glassmorphism */
.form-section {
  position: relative;
  isolation: isolate;
  padding: 100px 0;
}
.form-section::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 15% 20%, rgba(113, 136, 207, 0.4) 0%, transparent 45%),
    radial-gradient(circle at 85% 70%, rgba(67, 89, 168, 0.45) 0%, transparent 50%),
    radial-gradient(circle at 50% 100%, rgba(45, 61, 122, 0.35) 0%, transparent 55%),
    linear-gradient(135deg, var(--navy-50) 0%, var(--navy-100) 100%);
}
.form-section::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.5;
  background-image:
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'><g fill='none' stroke='%234359a8' stroke-width='0.5' stroke-opacity='0.18'><circle cx='40' cy='40' r='1'/><circle cx='0' cy='0' r='1'/><circle cx='80' cy='0' r='1'/><circle cx='0' cy='80' r='1'/><circle cx='80' cy='80' r='1'/></g></svg>");
}

.form-card {
  max-width: 880px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  border: 1px solid rgba(255, 255, 255, 0.6);
  color: var(--ink-900);
  padding: 56px clamp(24px, 5vw, 56px);
  border-radius: 16px;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.5) inset,
    0 24px 48px rgba(33, 48, 99, 0.18),
    0 8px 16px rgba(33, 48, 99, 0.08);
}
.form-card h2 {
  text-align: center;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--navy-900);
}
.form-card .form-intro {
  text-align: center;
  font-size: 0.9375rem;
  color: var(--ink-700);
  max-width: 580px;
  margin: 0 auto 40px;
  line-height: 1.65;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 24px;
}
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--navy-900);
}
.field label .req { color: var(--gold); }
.field input,
.field textarea {
  padding: 13px 16px;
  border-radius: 8px;
  border: 1px solid rgba(33, 48, 99, 0.15);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--ink-900);
  outline: none;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.field input:hover,
.field textarea:hover {
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(33, 48, 99, 0.3);
}
.field input:focus,
.field textarea:focus {
  background: rgba(255, 255, 255, 1);
  border-color: var(--navy-700);
  box-shadow: 0 0 0 3px rgba(53, 76, 150, 0.15);
}
.field textarea {
  resize: vertical;
  min-height: 120px;
}

.radio-group { display: flex; gap: 24px; margin-top: 4px; }
.radio-group label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-weight: 500;
  color: var(--ink-900);
}
.radio-group input { width: 18px; height: 18px; accent-color: var(--navy-700); margin: 0; cursor: pointer; }

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.875rem;
  line-height: 1.55;
  cursor: pointer;
  margin-top: 4px;
  color: var(--ink-700);
}
.checkbox-row input { margin-top: 2px; width: 18px; height: 18px; accent-color: var(--navy-700); cursor: pointer; }

.section-divider {
  height: 1px;
  background: rgba(33, 48, 99, 0.15);
  margin: 32px 0;
  grid-column: 1 / -1;
}

.cotis-line {
  font-weight: 600;
  margin-bottom: 16px;
  font-size: 1rem;
  color: var(--navy-900);
}
.form-disclaimer {
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--ink-500);
  margin: 24px 0 32px;
}
.form-submit {
  text-align: center;
}
.form-submit .btn {
  background: var(--navy-700);
  color: var(--paper);
  font-weight: 600;
  padding: 16px 40px;
  letter-spacing: 0.01em;
  box-shadow: 0 4px 12px rgba(33, 48, 99, 0.25);
}
.form-submit .btn:hover {
  background: var(--navy-600);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(33, 48, 99, 0.35);
}
.form-submit .btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(33, 48, 99, 0.25);
}

/* -------- Actualités page -------- */
.ag-section {
  max-width: 920px;
  margin: 0 auto;
}
.ag-section h2 {
  text-align: center;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 16px;
  color: var(--navy-800);
}
.ag-intro {
  text-align: center;
  color: var(--ink-500);
  margin-bottom: 40px;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.ag-table-wrap {
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid var(--line);
}
.ag-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  background: var(--paper);
}
.ag-table th,
.ag-table td {
  padding: 16px 24px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}
.ag-table th {
  background: var(--cream);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-700);
}
.ag-table tr:last-child td { border-bottom: none; }
.ag-table tbody tr {
  transition: background 0.15s var(--ease);
}
.ag-table tbody tr:hover { background: var(--navy-50); }
.ag-table .date {
  font-variant-numeric: tabular-nums;
  color: var(--ink-700);
  white-space: nowrap;
  font-weight: 500;
}
.ag-table .company { font-weight: 600; color: var(--ink-900); }
.ag-table .type { color: var(--ink-500); }

.load-more {
  text-align: center;
  margin-top: 32px;
}
.load-more a {
  color: var(--navy-800);
  font-weight: 600;
  font-size: 0.9375rem;
  border-bottom: 1.5px solid var(--navy-800);
  padding-bottom: 2px;
  transition: opacity 0.2s var(--ease);
}
.load-more a:hover { opacity: 0.7; }

/* -------- Contact page -------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
  max-width: 1100px;
  margin: 0 auto;
}
.contact-info h2 {
  margin-bottom: 16px;
}
.contact-info > p {
  color: var(--ink-500);
  margin-bottom: 32px;
  font-size: 1.0625rem;
}
.contact-info h2 {
  color: var(--navy-900);
  margin-bottom: 16px;
}
.contact-info > p {
  color: var(--ink-700);
  margin-bottom: 32px;
  font-size: 1.0625rem;
}
.contact-block { margin-bottom: 28px; }
.contact-block h4 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy-800);
  margin-bottom: 10px;
}
.contact-block .row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9375rem;
  color: var(--ink-700);
}
.contact-block .row svg {
  width: 18px; height: 18px;
  color: var(--navy-800);
  flex-shrink: 0;
}
.contact-block a:hover { color: var(--navy-800); }

.contact-form-card {
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  border: 1px solid rgba(255, 255, 255, 0.6);
  color: var(--ink-900);
  padding: 40px;
  border-radius: 16px;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.5) inset,
    0 24px 48px rgba(33, 48, 99, 0.15);
}
.contact-form-card .form-grid { gap: 20px; }
.contact-form-card .field label { color: var(--navy-900); }
.contact-form-card .form-submit { text-align: left; }

/* -------- Animations & reveal --------
   Progressive enhancement : la classe `js-reveal` est ajoutée
   sur <html> par le JS. Sans JS, tout reste visible. */
.js-reveal .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.js-reveal .reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* -------- Toast -------- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--navy-900);
  color: var(--paper);
  padding: 14px 24px;
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 200;
  opacity: 0;
  transition: transform 0.4s var(--ease-out), opacity 0.4s var(--ease-out);
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.toast.success { background: var(--success); }

/* -------- Responsive -------- */
@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .adhesion-info {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .nav-list,
  .nav-cta {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .nav.open .nav-list {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--navy-800);
    padding: 24px;
    gap: 20px;
    border-top: 1px solid rgba(255,255,255, 0.1);
  }
  .nav.open .nav-cta {
    display: inline-flex;
    margin-top: 8px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
  .actu-card { flex: 0 0 240px; }
  .form-card { padding: 36px 24px; }
}

@media (max-width: 480px) {
  .hero-cta { flex-direction: column; width: 100%; }
  .hero-cta .btn { width: 100%; }
  .newsletter-form {
    flex-direction: column;
    border-radius: var(--radius-md);
    padding: 12px;
    gap: 12px;
  }
  .newsletter-form input { padding: 12px 8px; }
  .newsletter-form button { width: 100%; padding: 14px; }
}

/* -------- Reduced motion -------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}