/* ─── RESET & BASE ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy: #0D1F3C;
  --navy-light: #1A3260;
  --rouge: #C0392B;
  --rouge-hover: #A93226;
  --blanc: #FFFFFF;
  --gris-clair: #F5F6F8;
  --gris-texte: #4A5568;
  --gris-border: #E2E8F0;
  --or: #B8860B;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --max-w: 1100px;
  --radius: 8px;
  --shadow: 0 2px 16px rgba(13,31,60,0.08);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  color: #1A202C;
  background: var(--blanc);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ─── TYPOGRAPHIE ───────────────────────────────────────────── */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.2rem; }
p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rouge);
  margin-bottom: 0.75rem;
  display: block;
}

/* ─── LAYOUT ────────────────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 5rem 0; }
.section--alt { background: var(--gris-clair); }

/* ─── NAVIGATION ────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navy);
  border-bottom: 3px solid var(--rouge);
}

.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav__logo img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255,255,255,0.2);
}

.nav__logo-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--blanc);
  letter-spacing: 0.02em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav__links a {
  color: rgba(255,255,255,0.8);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}

.nav__links a:hover,
.nav__links a.active { color: var(--blanc); }

.nav__cta {
  background: var(--rouge);
  color: var(--blanc) !important;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius);
  font-weight: 600 !important;
  font-size: 0.85rem !important;
  transition: background 0.2s !important;
}

.nav__cta:hover { background: var(--rouge-hover) !important; }

.nav__burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--blanc);
  margin: 5px 0;
  transition: 0.3s;
}

/* ─── BOUTONS ───────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s;
  border: 2px solid transparent;
  text-align: center;
}

.btn--primary {
  background: var(--rouge);
  color: var(--blanc);
  border-color: var(--rouge);
}

.btn--primary:hover {
  background: var(--rouge-hover);
  border-color: var(--rouge-hover);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--blanc);
  border-color: rgba(255,255,255,0.5);
}

.btn--outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--blanc);
}

.btn--navy {
  background: var(--navy);
  color: var(--blanc);
  border-color: var(--navy);
}

.btn--navy:hover {
  background: var(--navy-light);
  border-color: var(--navy-light);
}

/* ─── HERO ──────────────────────────────────────────────────── */
.hero {
  background: var(--navy);
  color: var(--blanc);
  padding: 6rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 40%;
  height: 100%;
  background: linear-gradient(135deg, transparent 40%, rgba(192,57,43,0.08) 100%);
  pointer-events: none;
}

.hero__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: center;
}

.hero__title {
  color: var(--blanc);
  margin-bottom: 1.25rem;
}

.hero__title em {
  font-style: italic;
  color: rgba(255,255,255,0.7);
}

.hero__sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 2rem;
  max-width: 540px;
  line-height: 1.8;
}

.hero__btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero__logo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid rgba(255,255,255,0.15);
  opacity: 0.92;
}

/* ─── PRINCIPES ─────────────────────────────────────────────── */
.principes__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.principe-card {
  padding: 1.75rem 1.5rem;
  border: 0.5px solid var(--gris-border);
  border-top: 3px solid var(--rouge);
  border-radius: var(--radius);
  background: var(--blanc);
  transition: box-shadow 0.2s, transform 0.2s;
}

.principe-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.principe-card__num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--rouge);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.principe-card__title {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.principe-card__text {
  font-size: 0.88rem;
  color: var(--gris-texte);
  line-height: 1.6;
}

/* ─── MANIFESTE EXTRAIT ─────────────────────────────────────── */
.manifeste-extrait {
  background: var(--navy);
  color: var(--blanc);
  padding: 5rem 0;
}

.manifeste-extrait__inner {
  max-width: 740px;
  margin: 0 auto;
  padding: 0 1.5rem;
  text-align: center;
}

.manifeste-extrait blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.5vw, 1.7rem);
  font-style: italic;
  line-height: 1.5;
  color: rgba(255,255,255,0.9);
  margin-bottom: 2rem;
  padding: 0 1rem;
}

.manifeste-extrait cite {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  font-style: normal;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ─── ACTIONS ───────────────────────────────────────────────── */
.actions__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.action-card {
  padding: 2rem 1.5rem;
  border: 0.5px solid var(--gris-border);
  border-radius: var(--radius);
  background: var(--blanc);
}

.action-card__icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.action-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.action-card__text {
  font-size: 0.88rem;
  color: var(--gris-texte);
  line-height: 1.6;
}

/* ─── CTA ADHÉSION ──────────────────────────────────────────── */
.cta-adhesion {
  background: var(--gris-clair);
  border-top: 1px solid var(--gris-border);
  padding: 4rem 0;
  text-align: center;
}

.cta-adhesion h2 { color: var(--navy); margin-bottom: 1rem; }
.cta-adhesion p { color: var(--gris-texte); max-width: 480px; margin: 0 auto 2rem; }

/* ─── PAGE MANIFESTE ────────────────────────────────────────── */
.page-hero {
  background: var(--navy);
  color: var(--blanc);
  padding: 4rem 0 3rem;
  text-align: center;
}

.page-hero h1 { color: var(--blanc); margin-bottom: 1rem; }
.page-hero p { color: rgba(255,255,255,0.7); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

.manifeste-content { max-width: 780px; margin: 0 auto; }

.manifeste-section { margin-bottom: 3.5rem; }

.manifeste-section h2 {
  font-size: 1.4rem;
  color: var(--navy);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--rouge);
  display: inline-block;
}

.manifeste-section p { color: var(--gris-texte); font-size: 1.05rem; line-height: 1.85; }

.manifeste-final {
  background: var(--navy);
  color: var(--blanc);
  padding: 2.5rem 2rem;
  border-radius: var(--radius);
  text-align: center;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-style: italic;
  margin-top: 3rem;
}

/* ─── PAGE ADHÉSION ─────────────────────────────────────────── */
.adhesion-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.adhesion-avantages { list-style: none; margin: 1.5rem 0; }

.adhesion-avantages li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin-bottom: 1rem;
  font-size: 0.95rem;
  color: var(--gris-texte);
}

.adhesion-avantages li::before {
  content: '✓';
  color: var(--rouge);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.prix-badge {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  background: var(--navy);
  color: var(--blanc);
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  margin-bottom: 2rem;
}

.prix-badge__montant {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
}

.prix-badge__detail {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
}

.form-card {
  background: var(--blanc);
  border: 0.5px solid var(--gris-border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--gris-border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: var(--font-body);
  color: #1A202C;
  background: var(--blanc);
  transition: border-color 0.2s;
  appearance: none;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--navy);
}

.form-group input::placeholder { color: #A0AEC0; }

#stripe-element {
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--gris-border);
  border-radius: var(--radius);
  background: var(--blanc);
}

#stripe-element.StripeElement--focus { border-color: var(--navy); }
#stripe-element.StripeElement--invalid { border-color: var(--rouge); }

.form-note {
  font-size: 0.78rem;
  color: var(--gris-texte);
  margin-top: 0.75rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

#payment-message {
  display: none;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  margin-top: 1rem;
}

#payment-message.success { background: #F0FFF4; color: #276749; border: 1px solid #9AE6B4; }
#payment-message.error { background: #FFF5F5; color: #9B2335; border: 1px solid #FEB2B2; }

/* ─── PAGE CONTACT ──────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-infos { display: flex; flex-direction: column; gap: 1.5rem; }

.contact-info-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact-info-item__icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-info-item__label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--rouge);
  margin-bottom: 2px;
}

.contact-info-item__value {
  font-size: 0.95rem;
  color: var(--gris-texte);
}

.form-group textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--gris-border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: var(--font-body);
  color: #1A202C;
  resize: vertical;
  min-height: 140px;
  transition: border-color 0.2s;
}

.form-group textarea:focus { outline: none; border-color: var(--navy); }

/* ─── FOOTER ────────────────────────────────────────────────── */
.footer {
  background: #0A1628;
  color: rgba(255,255,255,0.6);
  padding: 3rem 0 2rem;
}

.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 1.5rem;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 0.75rem;
}

.footer__brand img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  opacity: 0.8;
}

.footer__brand-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--blanc);
}

.footer__tagline {
  font-size: 0.82rem;
  max-width: 240px;
  line-height: 1.6;
}

.footer__links {
  display: flex;
  gap: 3rem;
}

.footer__col-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
  margin-bottom: 1rem;
}

.footer__col ul { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }

.footer__col a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  transition: color 0.2s;
}

.footer__col a:hover { color: var(--blanc); }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
}

.footer__legal { display: flex; gap: 1.5rem; }
.footer__legal a { color: rgba(255,255,255,0.4); transition: color 0.2s; }
.footer__legal a:hover { color: rgba(255,255,255,0.7); }

/* ─── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__burger { display: block; }
  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px; left: 0; right: 0;
    background: var(--navy);
    padding: 1.5rem;
    gap: 1rem;
    border-top: 1px solid rgba(255,255,255,0.1);
  }
  .hero__inner { grid-template-columns: 1fr; }
  .hero__logo { display: none; }
  .principes__grid { grid-template-columns: 1fr 1fr; }
  .actions__grid { grid-template-columns: 1fr; }
  .adhesion-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer__top { flex-direction: column; gap: 2rem; }
  .footer__bottom { flex-direction: column; gap: 1rem; text-align: center; }
}

@media (max-width: 480px) {
  .principes__grid { grid-template-columns: 1fr; }
  .hero__btns { flex-direction: column; }
  .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}