:root {
  --bordeaux: #713F46;
  --bordeaux-dk: #4E2A30;
  --rose: #C69A98;
  --rose-lt: #F1E4E1;
  --ivoire: #F7F1EA;
  --paper: #FFFCF8;
  --gold: #B99A68;
  --ink: #2B1A1D;
  --muted: #6B5558;
  --serif: Marcellus, Georgia, serif;
  --sans: Jost, system-ui, -apple-system, "Segoe UI", sans-serif;
  --r: 14px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; background: var(--ivoire); color: var(--ink); font: 400 16px/1.65 var(--sans); }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.15; margin: 0 0 .5em; }
h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 3.6vw, 2.9rem); max-width: 22ch; }
h3 { font-size: 1.45rem; }
em { font-style: normal; color: var(--bordeaux); }
p { margin: 0 0 1em; }
a { color: inherit; }
ul, ol { padding: 0; margin: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.wrap { width: min(1180px, 100% - 40px); margin-inline: auto; }

/* Buttons */
.btn { display: inline-block; background: var(--bordeaux); color: var(--ivoire); border: 1px solid var(--bordeaux); padding: .85em 1.6em; border-radius: 999px; font: 500 .95rem var(--sans); text-decoration: none; cursor: pointer; transition: background .2s, color .2s; }
.btn:hover { background: var(--bordeaux-dk); }
.btn--sm { padding: .6em 1.2em; font-size: .88rem; }
.btn--light { background: var(--ivoire); color: var(--bordeaux); border-color: var(--ivoire); }
.btn--light:hover { background: var(--gold); border-color: var(--gold); color: var(--ink); }
.btn--ghost { background: transparent; color: var(--ivoire); border-color: rgba(247,241,234,.5); }
.btn--ghost:hover { background: rgba(247,241,234,.1); }

/* Header */
.header { position: sticky; top: 0; z-index: 10; background: rgba(247,241,234,.94); backdrop-filter: blur(8px); border-bottom: 1px solid rgba(113,63,70,.12); }
.header__in { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo__mark { width: 46px; height: 38px; }
.logo__text { display: flex; flex-direction: column; line-height: 1; color: var(--bordeaux); }
.logo__text b { font: 600 1.35rem var(--sans); letter-spacing: .06em; }
.logo__text small { font-size: .62rem; letter-spacing: .55em; margin-top: 4px; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a:not(.btn) { text-decoration: none; font-size: .93rem; color: var(--ink); }
.nav a:not(.btn):hover { color: var(--bordeaux); }
.burger { display: none; background: none; border: 0; width: 44px; height: 44px; cursor: pointer; }
.burger span, .burger span::before, .burger span::after { display: block; width: 24px; height: 2px; background: var(--bordeaux); margin: auto; position: relative; content: ""; }
.burger span::before { position: absolute; top: -7px; }
.burger span::after { position: absolute; top: 7px; }

/* Hero */
.hero { background: radial-gradient(ellipse at 85% 20%, #8A4E56 0%, var(--bordeaux) 45%, var(--bordeaux-dk) 100%); color: var(--ivoire); padding: 110px 0 100px; }
.hero__in { display: grid; grid-template-columns: 1.6fr 1fr; gap: 60px; align-items: end; }
.hero em { color: var(--gold); }
.lead { font-size: 1.12rem; max-width: 56ch; color: rgba(247,241,234,.88); }
.cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero__facts { display: grid; gap: 18px; }
.hero__facts li { border-left: 2px solid var(--gold); padding: 4px 0 4px 20px; }
.hero__facts strong { display: block; font: 400 2.6rem/1 var(--serif); color: var(--gold); }
.hero__facts span { font-size: .92rem; color: rgba(247,241,234,.85); }

/* Sections */
.section { padding: 100px 0; }
.section--rose { background: var(--rose-lt); }
.section--dark { background: var(--bordeaux); color: var(--ivoire); }
.section--dark em { color: var(--gold); }
.eyebrow { font-size: .78rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--bordeaux); margin-bottom: 14px; }
.eyebrow::before { content: ""; display: inline-block; width: 28px; height: 1px; background: var(--gold); vertical-align: middle; margin-right: 12px; }
.eyebrow--light { color: var(--rose); }
.intro { max-width: 62ch; color: var(--muted); font-size: 1.05rem; margin-bottom: 48px; }

.grid { display: grid; gap: 20px; }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.card { background: var(--paper); border: 1px solid rgba(198,154,152,.45); border-radius: var(--r); padding: 28px 24px; transition: transform .2s, box-shadow .2s; }
.card:hover { transform: translateY(-3px); box-shadow: 0 14px 30px -18px rgba(113,63,70,.45); }
.card h3 { min-height: 2.3em; }
details summary { cursor: pointer; font-size: .9rem; font-weight: 500; color: var(--bordeaux); list-style: none; }
details summary::-webkit-details-marker { display: none; }
.card summary::after { content: " +"; }
.card details[open] summary::after { content: " −"; }
.card details ul { margin-top: 12px; font-size: .9rem; color: var(--muted); }
.card details li { padding: 5px 0; border-top: 1px solid rgba(198,154,152,.3); }

.ways { margin-top: 56px; display: grid; grid-template-columns: 1fr 2fr; gap: 40px; padding-top: 40px; border-top: 1px solid rgba(113,63,70,.15); }
.ways ul { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.ways li { padding-left: 18px; border-left: 2px solid var(--rose); }

.card--plan p { font-size: .95rem; color: var(--muted); }
.card--plan { display: grid; grid-row: span 3; grid-template-rows: subgrid; row-gap: 0; }
.card--plan h3 { min-height: 0; align-self: start; }
.card--plan > p:not(.ideal) { margin-bottom: 20px; }
.ideal { margin: 0; padding-top: 16px; border-top: 1px solid rgba(198,154,152,.4); font-size: .88rem !important; }
.ideal b { display: block; color: var(--bordeaux); font-size: .75rem; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 4px; }
.banner { margin-top: 28px; background: var(--bordeaux); color: var(--ivoire); border-radius: var(--r); padding: 36px 40px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.banner p { margin: 0; color: rgba(247,241,234,.85); }

.perks li { padding: 26px 0; border-top: 1px solid var(--gold); }
.perks p { color: var(--muted); font-size: .95rem; margin: 0; }
.perks__quote { background: var(--bordeaux); color: var(--ivoire); border-radius: var(--r); padding: 26px !important; border: 0 !important; display: flex; align-items: center; }
.perks__quote p { color: var(--ivoire); font: 400 1.35rem/1.3 var(--serif); }
.perks__quote em { color: var(--gold); }

.split { display: grid; grid-template-columns: 1.3fr 1fr; gap: 70px; }
.split > div > p { color: rgba(247,241,234,.88); }
.mv { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 32px; }
.mv h3 { color: var(--gold); }
.mv p { color: rgba(247,241,234,.85); font-size: .95rem; }
.values { background: rgba(0,0,0,.14); border: 1px solid rgba(185,154,104,.4); border-radius: var(--r); padding: 36px; }
.values dl { margin: 0; }
.values dt { font: 400 1.25rem var(--serif); color: var(--gold); margin-top: 16px; }
.values dd { margin: 0; color: rgba(247,241,234,.85); font-size: .95rem; }
.values__note { margin: 28px 0 0; font-style: italic; color: var(--rose); }

.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; margin-top: 40px; }
.steps li { position: relative; padding-top: 48px; }
.steps li::before { content: ""; position: absolute; top: 18px; left: 0; width: 14px; height: 14px; border-radius: 50%; background: var(--bordeaux); box-shadow: 0 0 0 4px var(--ivoire), 0 0 0 5px var(--gold); }
.steps li:not(:last-child)::after { content: ""; position: absolute; top: 25px; left: 26px; right: -8px; height: 1px; background: var(--gold); }
.steps p { color: var(--muted); font-size: .93rem; }
.quality { margin-top: 64px; background: var(--paper); border: 1px solid rgba(198,154,152,.45); border-radius: var(--r); padding: 40px; }
.quality ul { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px 30px; margin: 20px 0 24px; }
.quality li { padding-left: 26px; position: relative; font-size: .95rem; }
.quality li::before { content: "✓"; position: absolute; left: 0; color: var(--gold); font-weight: 600; }
.quality > p { margin: 0; color: var(--muted); }

.faq { display: grid; grid-template-columns: 1fr 1.7fr; gap: 60px; align-items: start; }
.faq > div:first-child { position: sticky; top: 110px; }
.faq__list details { border-bottom: 1px solid rgba(113,63,70,.2); }
.faq__list summary { padding: 20px 40px 20px 0; position: relative; font: 400 1.2rem var(--serif); color: var(--ink); }
.faq__list summary::after { content: "+"; position: absolute; right: 6px; top: 16px; font: 400 1.6rem var(--sans); color: var(--bordeaux); }
.faq__list details[open] summary::after { content: "−"; }
.faq__list p { color: var(--muted); padding-right: 40px; }

.contact { display: grid; grid-template-columns: 1fr 1.4fr; border-radius: 20px; overflow: hidden; box-shadow: 0 30px 60px -40px rgba(113,63,70,.6); }
.contact__aside { background: var(--bordeaux); color: var(--ivoire); padding: 56px 44px; }
.contact__aside em { color: var(--gold); }
.contact__aside > p { color: rgba(247,241,234,.88); }
.contact__info { margin-top: 36px; display: grid; gap: 18px; }
.contact__info span { display: block; font-size: .75rem; letter-spacing: .14em; text-transform: uppercase; color: var(--rose); }
.form { background: var(--paper); padding: 56px 44px; display: grid; gap: 18px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form label { display: grid; gap: 6px; font-size: .86rem; font-weight: 500; }
.form input, .form select, .form textarea { font: inherit; font-weight: 400; color: var(--ink); background: var(--ivoire); border: 1px solid rgba(113,63,70,.25); border-radius: 10px; padding: .75em .9em; width: 100%; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--bordeaux); box-shadow: 0 0 0 3px rgba(113,63,70,.12); }
.form .check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; color: var(--muted); }
.form .check input { width: auto; margin-top: 4px; accent-color: var(--bordeaux); }
.form .btn { justify-self: start; }
.hp { position: absolute; left: -9999px; }
.form__status { margin: 0; font-weight: 500; }
.form__status.ok { color: #2F6B3A; }
.form__status.err { color: #A3262A; }

.footer { background: var(--bordeaux-dk); color: rgba(247,241,234,.8); padding: 48px 0; font-size: .9rem; }
.footer__in { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 24px; }
.footer p { margin: 0; }
.footer__brand { font: 600 1.2rem var(--sans); letter-spacing: .08em; color: var(--ivoire); }
.footer__brand small { font-size: .6rem; letter-spacing: .5em; color: var(--gold); }
.footer nav { display: flex; gap: 22px; }
.footer a { text-decoration: none; }
.footer a:hover { color: var(--gold); }

/* Responsive */
@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); row-gap: 40px; }
  .steps li::after { display: none; }
  .quality ul { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .burger { display: block; }
  .nav { display: none; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--ivoire); padding: 12px 20px 24px; border-bottom: 1px solid rgba(113,63,70,.15); }
  .nav.open { display: flex; }
  .nav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid rgba(113,63,70,.1); }
  .nav .btn { margin-top: 16px; text-align: center; }
  .hero { padding: 70px 0; }
  .hero__in, .split, .faq, .contact, .ways, .mv { grid-template-columns: 1fr; gap: 40px; }
  .faq > div:first-child { position: static; }
  .section { padding: 70px 0; }
}
@media (max-width: 560px) {
  .grid--4, .steps, .row, .ways ul, .quality ul { grid-template-columns: 1fr; }
  .card h3 { min-height: 0; }
  .contact__aside, .form { padding: 40px 24px; }
  .banner { padding: 28px 24px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* Fusion des textes */
.perks { grid-template-columns: repeat(3, 1fr); }
.perks__quote { grid-column: 1 / -1; justify-content: center; text-align: center; }
.values h3 { font-size: 1.4rem; color: var(--gold); margin-bottom: 8px; }
.values h3:not(:first-child) { margin-top: 26px; }
.values p { color: rgba(247,241,234,.88); margin: 0; }
.values__line { color: var(--gold) !important; letter-spacing: .04em; margin-top: 24px; }
.closing { margin: 48px 0 0; color: var(--muted); text-align: center; }
@media (max-width: 1024px) { .perks { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .perks { grid-template-columns: 1fr; } }

/* ===== Animations & motion ===== */
:root { --ease: cubic-bezier(.22, .8, .24, 1); }

/* Hero : fond qui respire lentement + entrée en cascade */
.hero { position: relative; overflow: hidden; isolation: isolate; }
.hero::before { content: ""; position: absolute; inset: -30%; z-index: -1; pointer-events: none;
  background: radial-gradient(circle at 30% 30%, rgba(185,154,104,.22), transparent 40%), radial-gradient(circle at 75% 70%, rgba(198,154,152,.18), transparent 45%);
  animation: drift 18s ease-in-out infinite alternate; }
@keyframes drift { to { transform: translate(6%, -4%) rotate(8deg) scale(1.08); } }
.hero__in > div > *, .hero__facts li { animation: rise .9s var(--ease) both; }
.hero .eyebrow { animation-delay: .05s; } .hero h1 { animation-delay: .15s; }
.hero .lead { animation-delay: .3s; } .hero .cta { animation-delay: .45s; }
.hero__facts li:nth-child(1) { animation-delay: .55s; } .hero__facts li:nth-child(2) { animation-delay: .7s; } .hero__facts li:nth-child(3) { animation-delay: .85s; }
@keyframes rise { from { opacity: 0; transform: translateY(28px); } }
.hero h1 em { background: linear-gradient(90deg, var(--gold), #E2CBA0, var(--gold)) 0 0 / 200% 100%; -webkit-background-clip: text; background-clip: text; color: transparent; animation: shine 6s linear infinite; }
@keyframes shine { to { background-position: -200% 0; } }

/* Apparitions au défilement (classe ajoutée par script.js) */
.rv { opacity: 0; translate: 0 30px; transition: opacity .8s var(--ease) calc(var(--i, 0) * 90ms), translate .8s var(--ease) calc(var(--i, 0) * 90ms), transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s; }
.rv.in { opacity: 1; translate: none; }

/* Frise du fonctionnement : le trait et les points se dessinent */
.steps li::before { transform: scale(0); transition: transform .5s var(--ease) calc(var(--i, 0) * 180ms + .1s); }
.steps li::after { transform-origin: left; transform: scaleX(0); transition: transform .7s var(--ease) calc(var(--i, 0) * 180ms + .3s); }
.steps li.in::before { transform: none; }
.steps li.in::after { transform: none; }

/* Micro-interactions */
.btn { transition: background .25s, color .25s, transform .25s var(--ease), box-shadow .25s; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 22px -12px rgba(113,63,70,.7); }
.card { transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s; }
.card:hover { border-color: var(--rose); }
.perks li { transition: transform .35s var(--ease); }
.perks li:hover { transform: translateX(6px); }
.nav a:not(.btn) { position: relative; }
.nav a:not(.btn)::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 1px; background: var(--gold); transform: scaleX(0); transform-origin: right; transition: transform .35s var(--ease); }
.nav a:not(.btn):hover::after { transform: scaleX(1); transform-origin: left; }
.header { transition: box-shadow .3s; }
.header.scrolled { box-shadow: 0 8px 24px -18px rgba(43,26,29,.5); }
details > :not(summary) { animation: open .4s var(--ease); }
@keyframes open { from { opacity: 0; transform: translateY(-6px); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .rv { opacity: 1; translate: none; }
  .steps li::before, .steps li::after { transform: none; }
  .hero h1 em { color: var(--gold); background: none; }
}