/* ===== Charte (reprise du site XPRO 2026) ===== */
:root {
  --navy: #10263D;
  --navy-2: #223F5F;
  --navy-3: #17283F;
  --gold: #CC8F24;
  --gold-soft: #E6C58D;
  --bg: #F7FAFB;
  --card: #FFFFFF;
  --line: #D8E2E8;
  --mist: #D3DEE5;
  --muted: #667789;
  --serif: Georgia, "Times New Roman", serif;
  --sans: "Avenir Next", Avenir, Montserrat, "Segoe UI", Roboto, "Helvetica Neue", system-ui, sans-serif;
  --radius-lg: 32px;
  --radius: 20px;
  --shadow: 0 18px 45px rgba(16, 38, 61, .10);
  --shadow-lg: 0 28px 80px rgba(16, 38, 61, .13);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--navy); font-family: var(--sans); line-height: 1.65; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }

.eyebrow { font-size: .77rem; font-weight: 800; letter-spacing: .17em; text-transform: uppercase; color: var(--gold); }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.05; }
h2 { font-size: clamp(2rem, 4.2vw, 3.1rem); letter-spacing: -.03em; margin: .6rem 0 1rem; }
h2 em, h1 em { font-style: normal; color: var(--gold); }
.lead { font-size: 1.1rem; max-width: 60ch; color: var(--navy); }
.muted { color: var(--muted); }

.btn { display: inline-flex; align-items: center; gap: .5rem; padding: .95rem 1.5rem; border-radius: 14px; font-weight: 600; font-size: .95rem; transition: transform .15s, box-shadow .15s, background .15s; }
.btn-gold { background: var(--gold); color: #fff; box-shadow: 0 10px 24px rgba(204, 143, 36, .28); }
.btn-gold:hover { transform: translateY(-1px); box-shadow: 0 14px 30px rgba(204, 143, 36, .35); }
.btn-ghost { border: 1px solid var(--line); background: #fff; }
.btn-ghost:hover { border-color: var(--gold); }

section { padding: clamp(4.5rem, 9vw, 7rem) 0; }

/* ===== Header ===== */
header { position: sticky; top: 0; z-index: 20; background: rgba(247, 250, 251, .86); backdrop-filter: blur(12px); border-bottom: 1px solid transparent; transition: border-color .2s; }
header.scrolled { border-color: var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 1rem; }
.brand { display: flex; align-items: center; gap: .8rem; }
.brand .star { color: var(--gold); font-size: 1.5rem; line-height: 1; }
.brand b { display: block; font-size: .95rem; letter-spacing: .22em; font-weight: 800; }
.brand small { display: block; font-size: .64rem; letter-spacing: .2em; color: var(--muted); text-transform: uppercase; }
.nav ul { display: flex; gap: 2rem; list-style: none; font-size: .9rem; font-weight: 500; }
.nav ul a:hover { color: var(--gold); }
.nav .btn { padding: .7rem 1.1rem; font-size: .85rem; }
@media (max-width: 860px) { .nav ul { display: none; } }

/* ===== Hero ===== */
.hero { padding: 1.5rem 0 0; }
.panel { position: relative; overflow: hidden; background: rgba(255, 255, 255, .92); border: 1px solid rgba(204, 143, 36, .42); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.hero-grid { display: grid; grid-template-columns: 1.25fr .85fr; gap: 3rem; align-items: center; padding: clamp(2.5rem, 6vw, 5rem) clamp(1.5rem, 5vw, 4.5rem) clamp(9rem, 16vw, 12rem); position: relative; z-index: 2; }
.hero h1 { font-size: clamp(3rem, 8.4vw, 6.4rem); letter-spacing: -.055em; margin: 1rem 0 1.5rem; text-transform: uppercase; }
.hero .actions { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 2rem; }
.offer { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.8rem; }
.offer h3 { font-size: 1.55rem; margin: .5rem 0 1rem; letter-spacing: -.02em; }
.offer ol { list-style: none; display: grid; gap: .7rem; margin-bottom: 1.4rem; counter-reset: s; }
.offer li { display: flex; gap: .8rem; align-items: baseline; font-size: .95rem; }
.offer li::before { counter-increment: s; content: "0" counter(s); font-weight: 800; font-size: .75rem; color: var(--gold); letter-spacing: .1em; }
.offer .btn { width: 100%; justify-content: center; }
.offer p.small { font-size: .8rem; color: var(--muted); margin-top: .9rem; text-align: center; }
.mountains { position: absolute; left: 0; right: 0; bottom: -1px; width: 100%; height: auto; z-index: 1; pointer-events: none; }
@media (max-width: 980px) { .hero-grid { grid-template-columns: 1fr; gap: 2rem; } .offer { max-width: 440px; } }
.btn { white-space: nowrap; }

/* ===== Pourquoi ===== */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 3rem; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem; }
.stat .num { font-family: var(--serif); font-size: 3.2rem; letter-spacing: -.04em; color: var(--gold); line-height: 1; }
.stat h3 { font-family: var(--sans); font-size: .78rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; margin: 1rem 0 .5rem; }
.stat p { font-size: .95rem; color: var(--muted); }
@media (max-width: 860px) { .stats { grid-template-columns: 1fr; } }

/* ===== Méthode ===== */
.method { background: var(--card); border-block: 1px solid var(--line); }
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 4rem; align-items: start; }
.note { margin-top: 2rem; padding: 1.4rem 1.6rem; border-left: 3px solid var(--gold); background: var(--bg); border-radius: 0 14px 14px 0; font-size: .95rem; }
.steps { list-style: none; position: relative; }
.steps::before { content: ""; position: absolute; left: 23px; top: 10px; bottom: 10px; width: 1px; background: linear-gradient(var(--gold), var(--line)); }
.steps li { position: relative; display: grid; grid-template-columns: 48px 1fr; gap: 1.4rem; padding-bottom: 2.2rem; }
.steps li:last-child { padding-bottom: 0; }
.steps .dot { width: 48px; height: 48px; border-radius: 50%; background: var(--card); border: 1px solid var(--gold); display: grid; place-items: center; font-weight: 800; font-size: .8rem; color: var(--gold); position: relative; }
.steps h3 { font-size: 1.45rem; letter-spacing: -.02em; margin: .55rem 0 .4rem; }
.steps p { color: var(--muted); font-size: .97rem; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: 2.5rem; } }

/* ===== Expertises ===== */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; margin-top: 3rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 2rem; transition: box-shadow .2s, transform .2s; }
.card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.card h3 { font-size: 1.5rem; letter-spacing: -.02em; margin-bottom: .5rem; }
.card p { color: var(--muted); font-size: .97rem; margin-bottom: 1.2rem; }
.tags { display: flex; flex-wrap: wrap; gap: .5rem; }
.tag { font-size: .78rem; font-weight: 600; padding: .35rem .8rem; border-radius: 99px; background: var(--bg); border: 1px solid var(--line); }
.forwho { margin-top: 2.5rem; display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; }
.forwho .eyebrow { margin-right: .6rem; }
.forwho .tag { background: #fff; font-size: .85rem; padding: .5rem 1rem; }
@media (max-width: 760px) { .cards { grid-template-columns: 1fr; } }

/* ===== À propos ===== */
.about { display: grid; grid-template-columns: .8fr 1.2fr; gap: 4rem; align-items: center; }
.portrait { aspect-ratio: 4 / 5; background-color: #fff; border-radius: var(--radius-lg); border: 1px solid rgba(204, 143, 36, .42); box-shadow: var(--shadow-lg); overflow: hidden; background: linear-gradient(160deg, #EAF0F3, #D3DEE5); display: grid; place-items: center; position: relative; }
.portrait img { width: 100%; height: 100%; object-fit: cover; }
.portrait .ph { font-family: var(--serif); font-size: 5rem; color: var(--navy-2); opacity: .5; }
.about p + p { margin-top: 1rem; }
blockquote { margin-top: 2rem; font-family: var(--serif); font-size: 1.45rem; line-height: 1.35; letter-spacing: -.01em; padding-left: 1.4rem; border-left: 3px solid var(--gold); }
blockquote cite { display: block; margin-top: .8rem; font-family: var(--sans); font-style: normal; font-size: .75rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--gold); }
@media (max-width: 860px) { .about { grid-template-columns: 1fr; gap: 2.5rem; } .portrait { max-width: 360px; } }

/* ===== Contact ===== */
.contact { padding-top: 0; }
.contact .panel { background: var(--navy); border-color: rgba(204, 143, 36, .5); color: #fff; }
.contact-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr .9fr; gap: 3rem; padding: clamp(2.5rem, 6vw, 4.5rem) clamp(1.5rem, 5vw, 4.5rem) clamp(8rem, 14vw, 10rem); }
.contact h2 { color: #fff; }
.contact .lead { color: rgba(255, 255, 255, .78); }
.coords { display: grid; gap: 1.2rem; align-content: center; }
.coords a, .coords div { display: block; padding: 1.1rem 1.3rem; border-radius: 16px; border: 1px solid rgba(255, 255, 255, .14); background: rgba(255, 255, 255, .04); transition: border-color .15s; }
.coords a:hover { border-color: var(--gold); }
.coords span { display: block; font-size: .7rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--gold-soft); }
.coords strong { font-weight: 500; font-size: 1.05rem; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }

/* ===== Footer ===== */
footer { padding: 3rem 0 2.5rem; font-size: .8rem; color: var(--muted); }
.foot-top { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--line); margin-bottom: 1.5rem; }
.foot-top nav { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.foot-top nav a:hover { color: var(--gold); }
.legal { line-height: 1.7; max-width: 90ch; }

/* Apparition douce au scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* ===== Pages légales ===== */
.legal-page { padding: 1.5rem 0 4rem; }
.legal-page .panel { padding: clamp(2rem, 5vw, 4rem) clamp(1.5rem, 5vw, 4.5rem); }
.legal-page h1 { font-size: clamp(2.4rem, 6vw, 4rem); letter-spacing: -.045em; margin: .8rem 0 .6rem; }
.legal-page h2 { font-size: 1.5rem; letter-spacing: -.02em; margin: 2.6rem 0 .8rem; }
.legal-page p, .legal-page li { font-size: .97rem; max-width: 75ch; }
.legal-page p + p { margin-top: .7rem; }
.legal-page ul { margin: .6rem 0 0 1.2rem; display: grid; gap: .35rem; }
.legal-page a { color: var(--gold); text-decoration: underline; text-underline-offset: 3px; }
.legal-page .updated { font-size: .85rem; color: var(--muted); }
.legal-page .back { display: inline-block; margin-top: 3rem; }
.legal-page .back.btn { text-decoration: none; color: var(--navy); }
.legal-page ul + p { margin-top: 1rem; }
.portrait img { object-position: center top; }