/* =========================================================
   SÉRÉNITÉ PRO SERVICE — styles.css
   Direction : luxe refiné — marine profond + or champagne
   ========================================================= */

:root {
  /* Palette */
  --navy-900: #0a1a3a;
  --navy-800: #0f2147;
  --navy-700: #152a5a;
  --navy-600: #1c3570;
  --navy-500: #26448a;
  --ivory:    #f5efe4;
  --cream:    #faf6ee;
  --paper:    #f1ead9;

  --gold-100: #f5e4bf;
  --gold-200: #e8c98c;
  --gold-300: #d9b46a;
  --gold-400: #c9a15a;
  --gold-500: #b1874b;
  --gold-600: #8a6a2e;

  --ink-900: #0b1428;
  --ink-700: #263254;
  --ink-500: #4a5472;
  --ink-300: #8a92a8;

  --line:     rgba(201, 161, 90, 0.25);
  --line-dk:  rgba(201, 161, 90, 0.4);
  --shadow-1: 0 1px 2px rgba(10, 26, 58, 0.06), 0 8px 30px rgba(10, 26, 58, 0.08);
  --shadow-2: 0 2px 6px rgba(10, 26, 58, 0.12), 0 20px 60px rgba(10, 26, 58, 0.18);
  --shadow-gold: 0 10px 40px rgba(201, 161, 90, 0.25);

  /* Type */
  --f-display: "Cormorant Garamond", "Cormorant", Georgia, serif;
  --f-body: "Inter", system-ui, -apple-system, sans-serif;
  --f-script: "Cormorant", "Cormorant Garamond", Georgia, serif;

  /* Misc */
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 20px;
  --container: 1240px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ========== RESET ========== */
*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--f-body);
  color: var(--ink-900);
  background: var(--cream);
  line-height: 1.6;
  font-size: 16px;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }

.container {
  width: min(100% - 48px, var(--container));
  margin-inline: auto;
}

em { font-style: italic; font-family: var(--f-script); }

/* ========== HELPERS ========== */
.section-kicker {
  display: inline-block;
  font-family: var(--f-body);
  font-size: 11px;
  letter-spacing: 0.28em;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--gold-500);
  margin: 0 0 18px;
  position: relative;
  padding-left: 32px;
}
.section-kicker::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 22px; height: 1px;
  background: var(--gold-400);
}
.section-kicker--gold { color: var(--gold-300); }
.section-kicker--gold::before { background: var(--gold-300); }

.section-title {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--navy-900);
  margin: 0 0 20px;
}
.section-title em {
  color: var(--gold-500);
  font-weight: 500;
}
.section-title--light { color: var(--ivory); }
.section-title--light em { color: var(--gold-300); }

.section-sub {
  color: var(--ink-500);
  max-width: 56ch;
  margin: 0;
  font-size: 1.05rem;
}
.section-sub--light { color: rgba(245, 239, 228, 0.75); }

.section-head { max-width: 720px; margin: 0 0 60px; }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .section-kicker { padding-left: 0; }
.section-head--center .section-kicker::before { display: none; }
.section-head--center .section-sub { margin-inline: auto; }

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 30px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: all .35s var(--ease);
  position: relative;
  overflow: hidden;
}
.btn--gold {
  background: linear-gradient(135deg, var(--gold-300), var(--gold-500));
  color: var(--navy-900);
  box-shadow: var(--shadow-gold);
}
.btn--gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 44px rgba(201, 161, 90, 0.38);
  filter: brightness(1.05);
}
.btn--ghost {
  background: transparent;
  color: var(--navy-900);
  border-color: var(--navy-900);
}
.btn--ghost:hover {
  background: var(--navy-900);
  color: var(--ivory);
}
.btn--ghost-light {
  background: transparent;
  color: var(--ivory);
  border-color: rgba(245, 239, 228, 0.5);
}
.btn--ghost-light:hover {
  background: var(--ivory);
  color: var(--navy-900);
}
.btn--block { display: flex; width: 100%; }

@property --snake-a {
  syntax: '<angle>';
  inherits: false;
  initial-value: 0deg;
}
.btn--snake {
  color: var(--ivory);
  border: 2px solid transparent;
  background:
    linear-gradient(rgba(10, 26, 58, 0.55), rgba(10, 26, 58, 0.55)) padding-box,
    conic-gradient(from var(--snake-a),
      rgba(201, 161, 90, 0.18) 0deg,
      var(--gold-200) 240deg,
      #fff3c9 275deg,
      var(--gold-400) 310deg,
      var(--gold-600) 355deg,
      rgba(201, 161, 90, 0.18) 360deg) border-box;
  animation: snake-spin 2.6s linear infinite;
  overflow: visible;
  box-shadow: 0 0 24px rgba(201, 161, 90, 0.18);
}
.btn--snake:hover {
  background:
    linear-gradient(rgba(10, 26, 58, 0.75), rgba(10, 26, 58, 0.75)) padding-box,
    conic-gradient(from var(--snake-a),
      rgba(201, 161, 90, 0.25) 0deg,
      var(--gold-200) 230deg,
      #fff3c9 270deg,
      var(--gold-400) 310deg,
      var(--gold-600) 355deg,
      rgba(201, 161, 90, 0.25) 360deg) border-box;
}
@keyframes snake-spin {
  to { --snake-a: 360deg; }
}

/* ========== NAV ========== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 22px 0;
  background: rgba(10, 26, 58, 0.0);
  transition: background .4s var(--ease), padding .4s var(--ease), backdrop-filter .4s var(--ease);
}
.nav.is-scrolled {
  background: rgba(10, 26, 58, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 14px 0;
  border-bottom: 1px solid rgba(201, 161, 90, 0.15);
}
.nav__inner {
  width: min(100% - 48px, var(--container));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav__brand { display: flex; align-items: center; gap: 14px; color: var(--ivory); }
.nav__mark {
  width: 44px;
  height: 44px;
  object-fit: cover;
  display: block;
  -webkit-mask-image: radial-gradient(circle at center, #000 52%, transparent 68%);
  mask-image: radial-gradient(circle at center, #000 52%, transparent 68%);
  filter: drop-shadow(0 2px 10px rgba(232, 201, 140, 0.22));
}
.nav__brand-text {
  font-family: var(--f-display);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.nav__brand-text em { color: var(--gold-300); text-transform: none; font-size: 1.15rem; }
.nav__links { display: flex; align-items: center; gap: 36px; }
.nav__links a {
  color: var(--ivory);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  position: relative;
  padding: 4px 0;
  transition: color .3s;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -2px;
  height: 1px;
  background: var(--gold-300);
  transition: right .4s var(--ease);
}
.nav__links a:hover { color: var(--gold-200); }
.nav__links a:hover::after { right: 0; }
.nav__cta {
  background: var(--gold-400) !important;
  color: var(--navy-900) !important;
  padding: 10px 20px !important;
  border-radius: 2px;
}
.nav__cta::after { display: none; }
.nav__cta:hover { background: var(--gold-200) !important; }
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav__burger span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--ivory);
  transition: transform .3s, opacity .3s;
}

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  color: var(--ivory);
  overflow: hidden;
  padding: 140px 0 80px;
  display: flex;
  align-items: center;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(38, 68, 138, 0.5), transparent 55%),
    radial-gradient(ellipse at 80% 80%, rgba(201, 161, 90, 0.12), transparent 60%),
    linear-gradient(160deg, var(--navy-900) 0%, var(--navy-700) 50%, var(--navy-900) 100%);
  z-index: -2;
}
.hero__bg::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(201, 161, 90, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 161, 90, 0.05) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}
.hero__grain {
  position: absolute; inset: 0;
  opacity: 0.35;
  mix-blend-mode: overlay;
  pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/><feColorMatrix values='0 0 0 0 0.8, 0 0 0 0 0.7, 0 0 0 0 0.5, 0 0 0 0.5 0'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
  z-index: -1;
}
.hero__inner {
  width: min(100% - 48px, var(--container));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero__content { animation: fadeUp 1s var(--ease) both; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--gold-300);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 36px;
  font-weight: 500;
}
.eyebrow__line { width: 36px; height: 1px; background: var(--gold-300); }

.hero__title {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: clamp(2.6rem, 5.8vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.015em;
  margin: 0 0 28px;
}
.hero__title em {
  color: var(--gold-300);
  font-weight: 500;
}
.hero__lede {
  font-size: 1.1rem;
  line-height: 1.65;
  color: rgba(245, 239, 228, 0.82);
  max-width: 52ch;
  margin: 0 0 40px;
}
.hero__ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}
.hero__trust {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
  padding-top: 40px;
  border-top: 1px solid rgba(201, 161, 90, 0.25);
}
.trust-item {
  padding-right: 40px;
  margin-right: 40px;
  border-right: 1px solid rgba(201, 161, 90, 0.15);
}
.trust-item:last-child { border-right: none; margin-right: 0; padding-right: 0; }
.trust-item__num {
  font-family: var(--f-display);
  font-size: 2.4rem;
  font-weight: 500;
  color: var(--gold-300);
  line-height: 1;
  margin-bottom: 6px;
}
.trust-item__num span {
  font-size: 1.2rem;
  margin-left: 2px;
}
.trust-item__label {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(245, 239, 228, 0.7);
}

.hero__seal {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeIn 1.4s .3s var(--ease) both;
}
.seal {
  width: min(100%, 420px);
  filter: drop-shadow(0 20px 60px rgba(201, 161, 90, 0.2));
  animation: spin 90s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.hero__scroll {
  position: absolute;
  bottom: 30px; left: 50%;
  transform: translateX(-50%);
  width: 24px; height: 40px;
  border: 1px solid rgba(245, 239, 228, 0.4);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.hero__scroll span {
  display: block;
  width: 2px; height: 6px;
  background: var(--gold-300);
  border-radius: 1px;
  animation: scrollIndicator 2s ease-in-out infinite;
}
@keyframes scrollIndicator {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(14px); opacity: 0; }
}

/* ========== MANIFESTO ========== */
.manifesto {
  padding: 120px 0;
  background: var(--cream);
  position: relative;
}
.manifesto::before {
  content: "";
  position: absolute;
  top: 0; left: 50%; transform: translateX(-50%);
  width: 80px; height: 1px;
  background: var(--gold-400);
}
.manifesto__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 80px;
  align-items: center;
}
.manifesto__title {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: clamp(1.8rem, 3.6vw, 2.8rem);
  line-height: 1.15;
  color: var(--navy-900);
  margin: 0 0 28px;
}
.manifesto__title em { color: var(--gold-500); }
.manifesto__body {
  color: var(--ink-500);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 58ch;
}
.manifesto__body strong { color: var(--navy-900); font-weight: 600; }

.manifesto__signature {
  text-align: center;
  padding: 50px 30px;
  border: 1px solid var(--gold-300);
  position: relative;
  background: linear-gradient(135deg, transparent, rgba(201, 161, 90, 0.03));
}
.manifesto__signature::before,
.manifesto__signature::after {
  content: "";
  position: absolute;
  width: 14px; height: 14px;
  border: 1px solid var(--gold-400);
}
.manifesto__signature::before { top: -7px; left: -7px; border-right: none; border-bottom: none; background: var(--cream); }
.manifesto__signature::after { bottom: -7px; right: -7px; border-left: none; border-top: none; background: var(--cream); }
.monogram {
  font-family: var(--f-display);
  font-size: 4rem;
  letter-spacing: 8px;
  color: var(--gold-500);
  font-weight: 500;
  line-height: 1;
}
.monogram__line {
  width: 40px; height: 1px;
  background: var(--gold-400);
  margin: 18px auto;
}
.monogram__caption {
  font-family: var(--f-script);
  font-style: italic;
  color: var(--ink-500);
  font-size: 1rem;
  line-height: 1.5;
}

/* ========== FORMULES ========== */
.formules {
  padding: 120px 0;
  background: var(--paper);
  position: relative;
}
.formules::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(10, 26, 58, 0.06) 1px, transparent 0);
  background-size: 32px 32px;
  opacity: 0.5;
  pointer-events: none;
}
.formules > .container { position: relative; }

.formule-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 40px;
}
.formule {
  position: relative;
  background: var(--cream);
  padding: 44px 36px 36px;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease), border-color .5s var(--ease);
}
.formule:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-2);
  border-color: var(--gold-400);
}
.formule--featured {
  background: var(--navy-900);
  color: var(--ivory);
  transform: translateY(-12px);
  border-color: transparent;
  box-shadow: var(--shadow-2);
}
.formule--featured:hover { transform: translateY(-18px); }
.formule--premium {
  background: linear-gradient(160deg, var(--navy-800), var(--navy-900));
  color: var(--ivory);
  border: 1px solid var(--gold-400);
  position: relative;
}
.formule--premium::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 10% 0%, rgba(201, 161, 90, 0.15), transparent 40%),
    radial-gradient(circle at 100% 100%, rgba(201, 161, 90, 0.1), transparent 40%);
  pointer-events: none;
}
.formule--premium > * { position: relative; }

.formule__ribbon {
  position: absolute;
  top: -12px; left: 28px;
  background: var(--gold-400);
  color: var(--navy-900);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  font-weight: 600;
  padding: 6px 14px;
}
.formule__ribbon--gold {
  background: linear-gradient(135deg, var(--gold-200), var(--gold-500));
}

.formule__head { margin-bottom: 26px; }
.formule__num {
  font-family: var(--f-display);
  font-size: 0.9rem;
  color: var(--gold-400);
  letter-spacing: 0.3em;
  font-weight: 500;
}
.formule--featured .formule__num,
.formule--premium .formule__num { color: var(--gold-300); }

.formule__name {
  font-family: var(--f-display);
  font-size: 2.2rem;
  font-weight: 500;
  margin: 6px 0 4px;
  letter-spacing: -0.01em;
}
.formule__sub {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-300);
}
.formule--featured .formule__sub,
.formule--premium .formule__sub { color: rgba(245, 239, 228, 0.6); }

.formule__pitch {
  font-size: 0.98rem;
  line-height: 1.65;
  color: var(--ink-500);
  margin: 0 0 26px;
}
.formule--featured .formule__pitch,
.formule--premium .formule__pitch { color: rgba(245, 239, 228, 0.78); }

.formule__list {
  margin: 0 0 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.formule--featured .formule__list,
.formule--premium .formule__list { border-top-color: rgba(201, 161, 90, 0.3); }

.formule__list li {
  position: relative;
  padding: 7px 0 7px 26px;
  font-size: 0.92rem;
  color: var(--ink-700);
  line-height: 1.5;
}
.formule--featured .formule__list li,
.formule--premium .formule__list li { color: var(--ivory); }
.formule__list li strong { color: var(--navy-900); font-weight: 600; }
.formule--featured .formule__list li strong,
.formule--premium .formule__list li strong { color: var(--gold-300); }

.formule__list li::before {
  content: "";
  position: absolute;
  left: 0; top: 14px;
  width: 14px; height: 1px;
  background: var(--gold-400);
}

.formule__foot {
  margin: 0 0 24px;
  font-size: 0.85rem;
  color: var(--ink-300);
  padding-top: 18px;
  border-top: 1px dashed var(--line);
}
.formule--featured .formule__foot,
.formule--premium .formule__foot {
  color: rgba(245, 239, 228, 0.55);
  border-top-color: rgba(201, 161, 90, 0.2);
}

.formule__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--navy-900);
  padding-bottom: 6px;
  border-bottom: 1px solid var(--gold-400);
  align-self: flex-start;
  transition: gap .3s var(--ease);
}
.formule--featured .formule__cta,
.formule--premium .formule__cta {
  color: var(--gold-300);
  border-bottom-color: var(--gold-300);
}
.formule__cta:hover { gap: 14px; }

.formules__foot {
  text-align: center;
  color: var(--ink-500);
  font-size: 0.95rem;
  margin: 50px 0 0;
  padding: 24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.formules__foot span { color: var(--navy-900); font-weight: 500; }

/* ========== PRESTATIONS ========== */
.prestations { padding: 120px 0; background: var(--cream); }
.prest-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: var(--line);
  border: 1px solid var(--line);
}
.prest {
  background: var(--cream);
  padding: 50px 32px;
  transition: background .4s var(--ease);
}
.prest:hover { background: var(--paper); }
.prest__icon {
  width: 54px; height: 54px;
  color: var(--gold-500);
  margin-bottom: 22px;
}
.prest h3 {
  font-family: var(--f-display);
  font-size: 1.45rem;
  font-weight: 500;
  color: var(--navy-900);
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}
.prest p {
  margin: 0;
  color: var(--ink-500);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ========== ENGAGEMENTS ========== */
.engagements {
  padding: 140px 0;
  color: var(--ivory);
  position: relative;
  overflow: hidden;
}
.engagements__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(38, 68, 138, 0.4), transparent 60%),
    radial-gradient(ellipse at 70% 70%, rgba(201, 161, 90, 0.1), transparent 60%),
    linear-gradient(180deg, var(--navy-900), var(--navy-800));
  z-index: -1;
}
.engagements__bg::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(201, 161, 90, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 161, 90, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 85%);
}

.eng-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(201, 161, 90, 0.25);
  border: 1px solid rgba(201, 161, 90, 0.25);
  max-width: 1100px;
  margin-inline: auto;
}
.eng {
  background: var(--navy-900);
  padding: 48px 40px;
  position: relative;
  transition: background .4s var(--ease);
}
.eng:hover { background: var(--navy-800); }
.eng__num {
  font-family: var(--f-display);
  font-size: 0.85rem;
  color: var(--gold-300);
  letter-spacing: 0.3em;
  margin-bottom: 16px;
}
.eng__title {
  font-family: var(--f-display);
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--ivory);
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}
.eng__body {
  color: rgba(245, 239, 228, 0.72);
  font-size: 0.98rem;
  line-height: 1.7;
  margin: 0;
}
.eng__body strong { color: var(--gold-200); font-weight: 500; }

/* ========== PROCESS ========== */
.process { padding: 120px 0; background: var(--paper); }
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  counter-reset: step;
  position: relative;
}
.steps::before {
  content: "";
  position: absolute;
  top: 30px; left: 10%; right: 10%;
  height: 1px;
  background: var(--line-dk);
  z-index: 0;
}
.step {
  padding: 0 22px;
  position: relative;
  text-align: center;
  z-index: 1;
}
.step__num {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--cream);
  border: 1px solid var(--gold-400);
  color: var(--gold-500);
  font-family: var(--f-display);
  font-size: 1.6rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 22px;
  transition: all .4s var(--ease);
}
.step:hover .step__num {
  background: var(--gold-400);
  color: var(--navy-900);
  transform: scale(1.08);
}
.step h3 {
  font-family: var(--f-display);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--navy-900);
  margin: 0 0 10px;
}
.step p {
  margin: 0;
  color: var(--ink-500);
  font-size: 0.92rem;
  line-height: 1.55;
}

/* ========== ZONE ========== */
.zone { padding: 120px 0; background: var(--cream); }
.zone__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
}
.zone__body {
  color: var(--ink-500);
  line-height: 1.7;
  margin: 0 0 28px;
  font-size: 1.02rem;
  max-width: 54ch;
}
.zone__cities {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.zone__cities span {
  padding: 8px 18px;
  border: 1px solid var(--line-dk);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy-900);
  transition: all .3s var(--ease);
}
.zone__cities span:hover {
  background: var(--navy-900);
  color: var(--ivory);
  border-color: var(--navy-900);
}
.zone__visual { display: flex; justify-content: center; }
.compass {
  width: min(100%, 360px);
  animation: floatSlow 8s ease-in-out infinite;
}
@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ========== CTA BAND ========== */
.cta-band {
  position: relative;
  color: var(--ivory);
  padding: 80px 0;
  overflow: hidden;
}
.cta-band__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(201, 161, 90, 0.2), transparent 50%),
    linear-gradient(90deg, var(--navy-900), var(--navy-700));
  z-index: -1;
}
.cta-band__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-band__kicker {
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold-300);
  margin: 0 0 14px;
  font-weight: 500;
}
.cta-band__title {
  font-family: var(--f-display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 500;
  margin: 0;
  line-height: 1;
  display: flex;
  align-items: baseline;
  gap: 22px;
  flex-wrap: wrap;
}
.cta-band__percent {
  color: var(--gold-300);
  font-size: 1.3em;
}
.cta-band__percent span {
  font-size: 0.5em;
  vertical-align: super;
}
.cta-band__label {
  font-size: 0.4em;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(245, 239, 228, 0.85);
  font-weight: 400;
  font-family: var(--f-body);
}
.cta-band__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ========== FAQ ========== */
.faq { padding: 120px 0; background: var(--cream); }
.faq__list {
  max-width: 860px;
  margin-inline: auto;
}
.faq__item {
  border-bottom: 1px solid var(--line);
  transition: border-color .3s;
}
.faq__item[open] { border-color: var(--gold-400); }
.faq__item summary {
  padding: 24px 0;
  font-family: var(--f-display);
  font-size: 1.25rem;
  color: var(--navy-900);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-weight: 500;
  transition: color .3s;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+";
  font-family: var(--f-display);
  color: var(--gold-500);
  font-size: 1.8rem;
  line-height: 1;
  font-weight: 400;
  transition: transform .35s var(--ease);
  flex-shrink: 0;
}
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__item summary:hover { color: var(--gold-500); }
.faq__item p {
  margin: 0;
  padding: 0 0 26px;
  color: var(--ink-500);
  line-height: 1.7;
  font-size: 1rem;
  max-width: 72ch;
}

/* ========== CONTACT ========== */
.contact { padding: 120px 0; background: var(--paper); position: relative; }
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 80px;
  align-items: start;
}
.contact__sub {
  color: var(--ink-500);
  font-size: 1.02rem;
  line-height: 1.7;
  margin: 0 0 40px;
  max-width: 42ch;
}
.contact__direct { display: flex; flex-direction: column; gap: 22px; }
.contact__direct li {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}
.contact__direct li:last-child { border-bottom: 1px solid var(--line); }
.contact__ic {
  width: 42px; height: 42px;
  flex-shrink: 0;
  background: var(--navy-900);
  color: var(--gold-300);
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact__ic svg { width: 20px; height: 20px; }
.contact__direct li > div { display: flex; flex-direction: column; gap: 4px; }
.contact__direct li span {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-300);
}
.contact__direct li a {
  color: var(--navy-900);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color .3s;
}
.contact__direct li a:hover { color: var(--gold-500); }

.contact__form {
  background: var(--cream);
  padding: 44px 40px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-1);
}
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.field label {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--navy-900);
  font-weight: 500;
}
.field input,
.field select,
.field textarea {
  font: inherit;
  padding: 14px 16px;
  background: var(--cream);
  border: 1px solid var(--line-dk);
  border-radius: 0;
  color: var(--navy-900);
  transition: border-color .3s, background .3s;
  width: 100%;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--gold-500);
  background: #fff;
}
.field textarea { resize: vertical; font-family: var(--f-body); }

.contact__note {
  text-align: center;
  font-size: 12px;
  color: var(--ink-300);
  letter-spacing: 0.08em;
  margin: 16px 0 0;
}

/* ========== FOOTER ========== */
.footer {
  background: var(--navy-900);
  color: var(--ivory);
  padding: 80px 0 30px;
  position: relative;
  overflow: hidden;
}
.footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-400), transparent);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 50px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(201, 161, 90, 0.15);
}
.footer__brand { max-width: 340px; }
.footer__mark {
  width: 96px;
  height: 96px;
  object-fit: cover;
  display: block;
  margin-bottom: 22px;
  -webkit-mask-image: radial-gradient(circle at center, #000 52%, transparent 68%);
  mask-image: radial-gradient(circle at center, #000 52%, transparent 68%);
  filter: drop-shadow(0 4px 18px rgba(232, 201, 140, 0.26));
}
.footer__tag {
  font-family: var(--f-display);
  font-size: 1.1rem;
  line-height: 1.5;
  color: rgba(245, 239, 228, 0.85);
  margin: 0;
}
.footer__tag em { color: var(--gold-300); display: block; font-size: 1.05rem; margin-top: 4px; }
.footer__col h4 {
  font-family: var(--f-body);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold-300);
  margin: 0 0 20px;
  font-weight: 500;
}
.footer__col ul { display: flex; flex-direction: column; gap: 10px; }
.footer__col a {
  color: rgba(245, 239, 228, 0.75);
  font-size: 0.95rem;
  transition: color .3s;
}
.footer__col a:hover { color: var(--gold-200); }

.footer__bottom {
  padding-top: 30px;
  display: flex;
  justify-content: center;
  gap: 14px;
  font-size: 12px;
  color: rgba(245, 239, 228, 0.5);
  letter-spacing: 0.06em;
  flex-wrap: wrap;
}
.footer__bottom a { color: var(--gold-300); transition: color .3s; }
.footer__bottom a:hover { color: var(--gold-200); }
.footer__sep { color: var(--gold-400); }

/* ========== WHATSAPP FLOAT ========== */
.wa-float {
  position: fixed;
  bottom: 26px; right: 26px;
  width: 58px; height: 58px;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
  transition: transform .3s var(--ease);
}
.wa-float:hover { transform: scale(1.08) translateY(-2px); }
.wa-float svg { width: 30px; height: 30px; }

/* ========== GALERIE ========== */
.gallery {
  padding: 120px 0;
  background: var(--cream);
  position: relative;
}
.gallery::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 10%, rgba(201, 161, 90, 0.06), transparent 45%),
    radial-gradient(circle at 85% 90%, rgba(10, 26, 58, 0.04), transparent 50%);
  pointer-events: none;
}
.gallery .container { position: relative; }

.gallery__carousel {
  position: relative;
  margin-top: 60px;
}

.gallery__track {
  display: flex;
  gap: 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 4px 2px 24px;
}
.gallery__track::-webkit-scrollbar { display: none; }

.gallery__item {
  position: relative;
  margin: 0;
  overflow: hidden;
  cursor: zoom-in;
  background: var(--navy-900);
  flex: 0 0 auto;
  width: min(560px, 78%);
  aspect-ratio: 3 / 2;
  scroll-snap-align: center;
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity .9s var(--ease),
    transform .9s var(--ease),
    box-shadow .6s var(--ease);
}
.gallery__item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Contrôles du carousel */
.gallery__ctrl {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid rgba(232, 201, 140, 0.45);
  background: rgba(10, 26, 58, 0.82);
  color: var(--ivory);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 3;
  transition: background .3s var(--ease), border-color .3s var(--ease), transform .3s var(--ease), opacity .3s var(--ease);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.gallery__ctrl svg { width: 22px; height: 22px; }
.gallery__ctrl:hover {
  background: var(--gold-400);
  color: var(--navy-900);
  border-color: var(--gold-400);
}
.gallery__ctrl--prev { left: -8px; }
.gallery__ctrl--next { right: -8px; }
.gallery__ctrl[disabled] { opacity: 0.35; cursor: default; }
.gallery__ctrl[disabled]:hover {
  background: rgba(10, 26, 58, 0.82);
  color: var(--ivory);
  border-color: rgba(232, 201, 140, 0.45);
}

/* Indicateurs */
.gallery__dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 18px;
}
.gallery__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 0;
  padding: 0;
  background: rgba(232, 201, 140, 0.25);
  cursor: pointer;
  transition: background .3s var(--ease), transform .3s var(--ease);
}
.gallery__dot.is-active {
  background: var(--gold-400);
  transform: scale(1.3);
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease), filter 0.8s var(--ease);
  will-change: transform;
  filter: saturate(0.9) contrast(1.02);
}

.gallery__item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 26, 58, 0) 40%, rgba(10, 26, 58, 0.82) 100%);
  opacity: 0;
  transition: opacity .6s var(--ease);
  pointer-events: none;
}

.gallery__item figcaption {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 18px;
  color: var(--ivory);
  font-family: var(--f-display);
  font-weight: 500;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
  transform: translateY(10px);
  opacity: 0;
  transition: transform .6s var(--ease), opacity .6s var(--ease);
  z-index: 2;
}
.gallery__item figcaption::before {
  content: "";
  display: block;
  width: 28px;
  height: 1px;
  background: var(--gold-300);
  margin-bottom: 10px;
  transform-origin: left;
  transform: scaleX(0);
  transition: transform .6s var(--ease) .1s;
}

.gallery__item:hover img {
  transform: scale(1.08);
  filter: saturate(1.05) contrast(1.04);
}
.gallery__item:hover::after { opacity: 1; }
.gallery__item:hover figcaption { opacity: 1; transform: translateY(0); }
.gallery__item:hover figcaption::before { transform: scaleX(1); }

/* Cadre doré subtil au survol */
.gallery__item::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(232, 201, 140, 0);
  z-index: 2;
  pointer-events: none;
  transition: border-color .6s var(--ease), inset .6s var(--ease);
}
.gallery__item:hover::before {
  border-color: rgba(232, 201, 140, 0.55);
  inset: 14px;
}

/* ========== LIGHTBOX ========== */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(5, 12, 28, 0);
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .45s var(--ease), background-color .45s var(--ease), backdrop-filter .45s var(--ease);
}
.lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
  background: rgba(5, 12, 28, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.lightbox__stage {
  position: relative;
  margin: 0;
  max-width: min(92vw, 1200px);
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  transform: scale(0.96);
  opacity: 0;
  transition: transform .55s var(--ease), opacity .45s var(--ease);
}
.lightbox.is-open .lightbox__stage {
  transform: scale(1);
  opacity: 1;
}

.lightbox__img {
  max-width: 100%;
  max-height: 78vh;
  object-fit: contain;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(232, 201, 140, 0.15);
  transition: opacity .25s var(--ease), transform .35s var(--ease);
}
.lightbox__img.is-swapping {
  opacity: 0;
  transform: scale(0.985);
}

.lightbox__caption {
  margin-top: 18px;
  color: var(--ivory);
  font-family: var(--f-display);
  font-weight: 500;
  font-size: 1.1rem;
  letter-spacing: 0.01em;
  text-align: center;
  display: flex;
  align-items: center;
  gap: 14px;
}
.lightbox__caption::before,
.lightbox__caption::after {
  content: "";
  width: 20px;
  height: 1px;
  background: var(--gold-300);
  opacity: 0.7;
}

.lightbox__counter {
  position: absolute;
  top: -32px;
  left: 0;
  color: var(--gold-300);
  font-family: var(--f-body);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  opacity: 0.8;
}

.lightbox__close,
.lightbox__nav {
  position: absolute;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ivory);
  border: 1px solid rgba(232, 201, 140, 0.25);
  background: rgba(10, 26, 58, 0.4);
  border-radius: 50%;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transition: border-color .3s var(--ease), background-color .3s var(--ease), transform .3s var(--ease), color .3s var(--ease);
  z-index: 2;
}
.lightbox__close svg,
.lightbox__nav svg { width: 22px; height: 22px; }

.lightbox__close:hover,
.lightbox__nav:hover {
  border-color: var(--gold-300);
  color: var(--gold-200);
  background: rgba(10, 26, 58, 0.7);
  transform: scale(1.06);
}

.lightbox__close { top: 26px; right: 26px; }
.lightbox__nav--prev { left: 26px; top: 50%; transform: translateY(-50%); }
.lightbox__nav--next { right: 26px; top: 50%; transform: translateY(-50%); }
.lightbox__nav--prev:hover { transform: translateY(-50%) scale(1.06); }
.lightbox__nav--next:hover { transform: translateY(-50%) scale(1.06); }

body.lightbox-open { overflow: hidden; }

/* ========== ANIMATIONS ========== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__seal { max-width: 300px; margin-inline: auto; }
  .manifesto__grid,
  .zone__grid,
  .contact__grid { grid-template-columns: 1fr; gap: 50px; }
  .formule-grid { grid-template-columns: 1fr; gap: 20px; }
  .formule--featured { transform: none; }
  .formule--featured:hover { transform: translateY(-6px); }
  .prest-grid { grid-template-columns: repeat(2, 1fr); }
  .eng-grid { grid-template-columns: 1fr; }
  .gallery__item { width: min(520px, 82%); }
  .gallery__ctrl { width: 46px; height: 46px; }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 40px 20px; }
  .steps::before { display: none; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 720px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .hero { padding: 120px 0 60px; min-height: auto; }
  .hero__title { font-size: clamp(2.2rem, 9vw, 3.4rem); }
  .hero__trust { flex-direction: column; gap: 24px; align-items: flex-start; }
  .trust-item { border-right: none; padding-right: 0; margin-right: 0; padding-bottom: 20px; border-bottom: 1px solid rgba(201, 161, 90, 0.15); width: 100%; }
  .trust-item:last-child { border-bottom: none; padding-bottom: 0; }

  .manifesto, .formules, .prestations, .engagements, .process, .zone, .faq, .contact, .gallery { padding: 80px 0; }

  .gallery__track { gap: 12px; padding-bottom: 18px; }
  .gallery__item { width: 86%; aspect-ratio: 4 / 3; }
  .gallery__ctrl { width: 40px; height: 40px; }
  .gallery__ctrl--prev { left: -4px; }
  .gallery__ctrl--next { right: -4px; }
  .gallery__item figcaption {
    opacity: 1;
    transform: translateY(0);
    font-size: 0.95rem;
    left: 14px;
    right: 14px;
    bottom: 12px;
  }
  .gallery__item::after { opacity: 0.9; }
  .gallery__item figcaption::before { transform: scaleX(1); }

  .lightbox__close { top: 16px; right: 16px; }
  .lightbox__nav { width: 42px; height: 42px; }
  .lightbox__nav--prev { left: 10px; }
  .lightbox__nav--next { right: 10px; }
  .lightbox__caption { font-size: 0.95rem; }
  .manifesto__signature { padding: 40px 20px; }
  .monogram { font-size: 3rem; letter-spacing: 6px; }

  .prest-grid { grid-template-columns: 1fr; }
  .prest { padding: 40px 28px; }

  .steps { grid-template-columns: 1fr; gap: 30px; }

  .cta-band__inner { flex-direction: column; align-items: flex-start; }
  .cta-band__title { flex-direction: column; gap: 6px; align-items: flex-start; }
  .cta-band__actions { width: 100%; }
  .cta-band__actions .btn { flex: 1; }

  .contact__form { padding: 28px 22px; }
  .field-row { grid-template-columns: 1fr; }

  .footer__grid { grid-template-columns: 1fr; gap: 36px; }
  .footer__bottom { justify-content: flex-start; }
  .footer__sep { display: none; }

  .wa-float { width: 52px; height: 52px; bottom: 20px; right: 20px; }
  .wa-float svg { width: 26px; height: 26px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .seal { animation: none; }
  .compass { animation: none; }
}