:root {
  --slate: #1d2528;
  --slate-2: #2a3438;
  --chalk: #f6f3ee;
  --paper: #fffdf9;
  --ink: #1d2528;
  --muted: #5f6a6e;
  --line: rgba(29, 37, 40, 0.12);
  --accent: #c8573a;
  --accent-ink: #fff;
  --ok: #3f7d5a;
  --radius: 16px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--chalk); color: var(--ink); font-family: var(--font-body); font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.1; letter-spacing: -0.01em; margin: 0 0 16px; }
h1 { font-size: clamp(40px, 6vw, 68px); }
h2 { font-size: clamp(30px, 4vw, 44px); }
h3 { font-size: 22px; }
p { margin: 0 0 16px; }

.wrap { width: min(1120px, 100% - 32px); margin: 0 auto; }
.kicker { color: var(--accent); font-weight: 700; font-size: 13px; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 12px; }
.lead { font-size: 20px; color: var(--muted); max-width: 620px; }
.muted { color: var(--muted); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 24px; border-radius: 999px; font-weight: 600; text-decoration: none; border: 1px solid transparent; transition: transform .15s ease, background .15s ease; }
.btn:hover { transform: translateY(-1px); }
.btn-accent { background: var(--accent); color: var(--accent-ink); }
.btn-ghost { border-color: currentColor; }

/* En-tête */
.nav { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--chalk) 90%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.logo { font-family: var(--font-display); font-size: 26px; font-weight: 700; text-decoration: none; display: flex; align-items: center; gap: 10px; }
.logo-mark { width: 30px; height: 30px; border-radius: 8px; background: var(--slate); display: grid; place-items: center; color: var(--chalk); font-size: 17px; }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { text-decoration: none; font-weight: 500; }
.nav-links .btn { padding: 10px 18px; }

/* Accroche */
.hero { padding: clamp(56px, 9vw, 110px) 0 80px; }
.hero .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0 22px; }
.hero-points { display: flex; gap: 20px; flex-wrap: wrap; padding: 0; margin: 0; list-style: none; font-size: 15px; color: var(--muted); }
.hero-points li::before { content: "✓ "; color: var(--ok); font-weight: 700; }

/* Téléphone de démonstration */
.phone { width: min(320px, 100%); margin: 0 auto; background: var(--slate); border-radius: 40px; padding: 12px; box-shadow: 0 40px 80px rgba(29, 37, 40, .25); }
.screen { background: var(--paper); border-radius: 30px; overflow: hidden; }
.screen-hero { height: 200px; background: linear-gradient(160deg, #6b3a2b, #c8573a 55%, #e9a66b); display: flex; flex-direction: column; justify-content: flex-end; padding: 18px; color: #fff; }
.screen-hero b { font-family: var(--font-display); font-size: 26px; line-height: 1.1; }
.screen-hero span { font-size: 12px; opacity: .85; }
.screen-body { padding: 16px; display: grid; gap: 10px; }
.screen-row { display: flex; justify-content: space-between; font-size: 13px; border-bottom: 1px dashed var(--line); padding-bottom: 8px; }
.screen-row em { font-style: normal; color: var(--accent); font-weight: 600; }
.screen-cta { background: var(--accent); color: #fff; text-align: center; border-radius: 999px; padding: 10px; font-size: 13px; font-weight: 600; margin-top: 4px; }
.screen-badge { justify-self: start; font-size: 11px; background: #e7f1ea; color: var(--ok); border-radius: 999px; padding: 3px 10px; font-weight: 600; }

/* Sections */
.block { padding: clamp(64px, 9vw, 104px) 0; }
.block.dark { background: var(--slate); color: var(--chalk); }
.block.dark .muted, .block.dark .lead { color: #b8c1c4; }
.block.paper { background: var(--paper); }
.section-head { max-width: 680px; margin-bottom: 48px; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: step; }
.step { background: var(--slate-2); border-radius: var(--radius); padding: 28px; }
.step::before { counter-increment: step; content: counter(step); display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 700; margin-bottom: 16px; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.feature .icon { font-size: 26px; margin-bottom: 10px; }
.feature p { color: var(--muted); margin: 0; font-size: 16px; }

/* Offres */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.plan { background: var(--chalk); border: 1px solid var(--line); border-radius: calc(var(--radius) + 4px); padding: 30px; display: flex; flex-direction: column; }
.plan.featured { background: var(--slate); color: var(--chalk); border-color: var(--slate); position: relative; }
.plan.featured .muted { color: #b8c1c4; }
.plan-tag { position: absolute; top: -13px; left: 30px; background: var(--accent); color: #fff; font-size: 12px; font-weight: 700; padding: 4px 12px; border-radius: 999px; }
.plan h3 { margin-bottom: 6px; }
.price { font-family: var(--font-display); font-size: 46px; font-weight: 600; line-height: 1; margin: 18px 0 6px; }
.price small { font-family: var(--font-body); font-size: 16px; font-weight: 500; opacity: .7; }
.plan ul { list-style: none; padding: 0; margin: 22px 0 28px; display: grid; gap: 10px; align-content: start; font-size: 15px; flex: 1; }
.plan li::before { content: "✓"; color: var(--ok); font-weight: 700; margin-right: 10px; }
.plan.featured li::before { color: #8fd1a8; }
.plan .btn { width: 100%; }
.plan-meta { font-size: 14px; border-top: 1px solid var(--line); padding-top: 14px; margin-top: 4px; }
.plan.featured .plan-meta { border-color: rgba(255,255,255,.15); }
.plans-note { margin-top: 22px; font-size: 14px; color: var(--muted); text-align: center; }

/* Comparatif */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.compare > div { border-radius: var(--radius); padding: 28px; border: 1px solid var(--line); background: var(--paper); }
.compare .us { border: 2px solid var(--accent); }
.compare ul { margin: 0; padding-left: 20px; display: grid; gap: 8px; }

/* FAQ */
.faq { max-width: 820px; }
.faq details { border-bottom: 1px solid var(--line); padding: 20px 0; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 18px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 24px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 12px 0 0; color: var(--muted); }

/* Contact */
.contact { text-align: center; }
.contact .lead { margin: 0 auto 28px; }
.contact-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* Pied de page */
.footer { background: var(--slate); color: #b8c1c4; padding: 40px 0; font-size: 14px; }
.footer .wrap { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer a { color: var(--chalk); text-decoration: none; margin-right: 18px; }

/* Pages légales */
.legal { padding: 56px 0 88px; }
.legal .wrap { max-width: 820px; }
.legal h1 { font-size: clamp(34px, 5vw, 48px); }
.legal h2 { font-size: 24px; margin-top: 36px; }
.legal p, .legal li { color: #3a4447; }
.todo { background: #fff1c2; padding: 0 4px; border-radius: 4px; }

@media (max-width: 900px) {
  .hero .wrap, .compare { grid-template-columns: 1fr; }
  .steps, .features, .plans { grid-template-columns: 1fr; }
  .nav-links a:not(.btn) { display: none; }
  .plan.featured { margin-top: 10px; }
}

/* Cartes cliquables (guides) */
.card-link { text-decoration: none; color: inherit; transition: transform .15s ease, border-color .15s ease; }
.card-link:hover { transform: translateY(-2px); border-color: var(--accent); }
.card-link h3 { font-size: 20px; }

/* Articles */
.article { padding: 56px 0 88px; }
.article .wrap { max-width: 760px; }
.article h1 { font-size: clamp(34px, 5vw, 52px); }
.article h2 { font-size: 28px; margin-top: 44px; }
.article h3 { margin-top: 28px; }
.article p, .article li { color: #3a4447; font-size: 18px; }
.article ul, .article ol { padding-left: 22px; display: grid; gap: 8px; margin: 0 0 18px; }
.article table { width: 100%; border-collapse: collapse; margin: 18px 0 24px; font-size: 16px; }
.article th, .article td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.article th { background: var(--paper); }
.breadcrumb { font-size: 14px; color: var(--muted); margin-bottom: 18px; }
.breadcrumb a { color: var(--muted); }
.meta { font-size: 14px; color: var(--muted); margin-bottom: 28px; }
.callout { background: var(--paper); border-left: 4px solid var(--accent); border-radius: 0 12px 12px 0; padding: 18px 22px; margin: 28px 0; }
.callout p { margin: 0; }
.cta-box { background: var(--slate); color: var(--chalk); border-radius: var(--radius); padding: 32px; margin-top: 48px; }
.cta-box p { color: #b8c1c4; }
.cta-box h2 { margin-top: 0; }
.table-wrap { overflow-x: auto; }