/* Layout: page blanche comme le logo, colonnes éditoriales, les cinq couleurs des lettres O-B-O-M-O servent de repères, le rouge de la formule pour l'action */
:root {
  --bg: #FCFCFE;
  --surface: #F4F3F8;
  --fg: #1F1B2D;
  --muted: #5D5870;
  --line: #E4E2EC;
  --red: #D3283A;
  --red-ink: #FFFFFF;
  --c1: #9CD2EC; /* O bleu */
  --c2: #F29B85; /* B corail */
  --c3: #F5D66A; /* O jaune */
  --c4: #9BD8AE; /* M menthe */
  --c5: #D5ACE2; /* O lilas */
  --font-logo: "Fredoka", "Arial Rounded MT Bold", system-ui, sans-serif;
  --font-head: "Bricolage Grotesque", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Newsreader", Georgia, "Times New Roman", serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --max: 1120px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #14121C; --surface: #1D1A28; --fg: #F1EFF7; --muted: #A8A3BA; --line: #2E2A3C;
    --red: #FF6474; --red-ink: #14121C;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #14121C; --surface: #1D1A28; --fg: #F1EFF7; --muted: #A8A3BA; --line: #2E2A3C;
  --red: #FF6474; --red-ink: #14121C;
  color-scheme: dark;
}

* { box-sizing: border-box; }
body {
  background: var(--bg); color: var(--fg);
  font-family: var(--font-body); font-size: 1.125rem; line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: var(--max); margin-inline: auto; padding-inline: 20px; }
h1, h2, h3 { font-family: var(--font-head); line-height: 1.1; text-wrap: balance; margin: 0; letter-spacing: -0.02em; }
p { margin: 0; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; border-radius: 4px; }
.label {
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
}

/* Logo recomposé */
.logo { font-family: var(--font-logo); font-weight: 700; letter-spacing: -0.03em; line-height: 1; display: inline-flex; flex-direction: column; align-items: center; text-decoration: none; }
.logo .word { display: inline-flex; }
.logo .word span:nth-child(1) { color: var(--c1); }
.logo .word span:nth-child(2) { color: var(--c2); }
.logo .word span:nth-child(3) { color: var(--c3); }
.logo .word span:nth-child(4) { color: var(--c4); }
.logo .word span:nth-child(5) { color: var(--c5); }
.logo .formula { font-family: var(--font-mono); font-weight: 400; color: var(--red); letter-spacing: 0.12em; }

/* En-tête */
header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 12px; }
.bar .logo .word { font-size: 2rem; }
.bar .logo .formula { font-size: 0.55rem; margin-top: 3px; }
nav { display: flex; gap: 26px; align-items: center; font-family: var(--font-head); font-size: 0.98rem; }
nav a { text-decoration: none; color: var(--muted); }
nav a:hover { color: var(--fg); }
.btn {
  display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-head); font-weight: 500; font-size: 1rem;
  padding: 12px 20px; border-radius: 999px; text-decoration: none; border: 1.5px solid var(--fg); color: var(--fg); background: transparent; cursor: pointer;
  transition: transform .15s ease, background .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn.primary { background: var(--red); border-color: var(--red); color: var(--red-ink); }
nav .btn { color: var(--red-ink); padding: 9px 16px; }
@media (max-width: 760px) { nav a:not(.btn) { display: none; } }

/* Hero */
.hero { padding-block: 72px 64px; display: grid; grid-template-columns: 1.25fr 1fr; gap: 56px; align-items: center; }
.hero > * { min-width: 0; }
.hero h1 { font-size: clamp(2.3rem, 5.2vw, 4rem); font-weight: 700; margin-top: 18px; }
.hero h1 em { font-style: normal; background: linear-gradient(transparent 62%, color-mix(in srgb, var(--c3) 70%, transparent) 62%); padding-inline: 2px; }
.hero .lead { margin-top: 24px; font-size: 1.28rem; color: var(--muted); max-width: 34em; }
.hero .actions { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 12px; }

.formula-card { background: var(--surface); border-radius: 28px; padding: 32px; display: grid; gap: 22px; }
.formula-card .eq { font-family: var(--font-mono); font-size: clamp(1.6rem, 3.6vw, 2.3rem); color: var(--red); letter-spacing: 0.1em; text-align: center; padding-bottom: 18px; border-bottom: 1px dashed var(--line); }
.term { display: grid; grid-template-columns: 64px 1fr; gap: 16px; align-items: start; }
.term b { font-family: var(--font-mono); font-weight: 500; font-size: 0.95rem; text-align: center; padding: 6px 0; border-radius: 10px; color: #1F1B2D; }
.term:nth-of-type(1) b { background: var(--c1); }
.term:nth-of-type(2) b { background: var(--c3); }
.term:nth-of-type(3) b { background: var(--c5); }
.term p { font-size: 1.02rem; }
.term p strong { font-family: var(--font-head); font-weight: 500; display: block; }
.formula-card .note { font-size: 0.95rem; color: var(--muted); font-style: italic; }

/* Bandeau de preuves */
.proof { border-block: 1px solid var(--line); }
.proof .wrap { display: grid; grid-template-columns: repeat(3, 1fr); }
.proof div.item { padding-block: 26px; padding-inline: 24px; display: grid; gap: 4px; }
.proof div.item + div.item { border-left: 1px solid var(--line); }
.proof .big { font-family: var(--font-head); font-weight: 700; font-size: 1.9rem; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.proof p { color: var(--muted); font-size: 1rem; }
@media (max-width: 760px) {
  .proof .wrap { grid-template-columns: 1fr; }
  .proof div.item + div.item { border-left: 0; border-top: 1px solid var(--line); }
  .proof div.item { padding-inline: 0; }
}


/* Bandeau presse */
.press { border-bottom: 1px solid var(--line); }
.press .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 32px; padding-block: 22px; }
.press ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px 32px; }
.press li { font-family: var(--font-body); font-style: italic; font-size: 1.3rem; color: var(--fg); opacity: 0.8; }
.about cite { font-style: italic; }

/* Sections */
section.block { padding-block: 88px; }
.head { display: grid; gap: 14px; max-width: 46rem; margin-bottom: 48px; }
.head h2 { font-size: clamp(1.9rem, 3.8vw, 2.8rem); }
.head p { color: var(--muted); font-size: 1.18rem; }

.benefits { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px 36px; }
.benefit { display: grid; gap: 10px; align-content: start; }
.benefit::before { content: ""; width: 34px; height: 34px; border-radius: 50%; background: var(--dot); }
.benefit h3 { font-size: 1.28rem; font-weight: 500; }
.benefit p { color: var(--muted); font-size: 1.04rem; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: s; border-top: 2px solid var(--fg); }
.step { padding: 24px 22px 8px 0; display: grid; gap: 10px; align-content: start; }
.step + .step { padding-left: 22px; border-left: 1px solid var(--line); }
.step .num { font-family: var(--font-mono); font-size: 0.82rem; color: var(--muted); }
.step .tag { justify-self: start; font-family: var(--font-mono); font-size: 0.78rem; padding: 3px 10px; border-radius: 999px; color: #1F1B2D; background: var(--tagc); }
.step h3 { font-size: 1.22rem; font-weight: 500; }
.step p { color: var(--muted); font-size: 1rem; }

.services { background: var(--surface); }
.svc-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 56px; }
.svc { padding-block: 26px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 14px 1fr; gap: 20px; }
.svc::before { content: ""; width: 14px; height: 14px; border-radius: 50%; background: var(--dot); margin-top: 8px; }
.svc h3 { font-size: 1.3rem; font-weight: 500; }
.svc p { color: var(--muted); font-size: 1.04rem; margin-top: 6px; }
.svc .ex { font-family: var(--font-mono); font-size: 0.8rem; color: var(--muted); margin-top: 10px; letter-spacing: 0.02em; }

.why { display: grid; grid-template-columns: 1fr 1.3fr; gap: 64px; align-items: start; }
.why > * { min-width: 0; }
.why h2 { font-size: clamp(1.9rem, 3.8vw, 2.8rem); }
.why .body { display: grid; gap: 18px; font-size: 1.2rem; }
.why .pull { font-family: var(--font-head); font-size: 1.5rem; line-height: 1.3; font-weight: 500; padding-left: 20px; border-left: 4px solid var(--red); }

.about { display: grid; grid-template-columns: 220px 1fr; gap: 48px; align-items: start; border-top: 1px solid var(--line); padding-top: 56px; }
.portrait { aspect-ratio: 4 / 5; max-width: 100%; border-radius: 28px; padding: 6px; background: conic-gradient(from 200deg, var(--c1), var(--c2), var(--c3), var(--c4), var(--c5), var(--c1)); }
.portrait img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: 50% 18%; border-radius: 22px; }
.about .text { display: grid; gap: 16px; max-width: 40rem; }
.about h2 { font-size: 2rem; }
.ph { background: color-mix(in srgb, var(--c3) 45%, transparent); border-radius: 4px; padding-inline: 4px; }

/* Contact */
.contact { padding-block: 88px; }
.contact-card { border-radius: 32px; padding: clamp(28px, 5vw, 56px); background: var(--fg); color: var(--bg); display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; }
.contact-card > * { min-width: 0; }
.contact-card h2 { font-size: clamp(2rem, 4vw, 3rem); }
.contact-card .sub { margin-top: 16px; font-size: 1.2rem; opacity: 0.8; }
.coords { margin-top: 28px; display: grid; gap: 8px; font-family: var(--font-mono); font-size: 0.95rem; }
.coords .mail { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.coords a { color: inherit; text-underline-offset: 3px; user-select: all; }
.copy { font: inherit; font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; border: 1px solid color-mix(in srgb, var(--bg) 40%, transparent); background: transparent; color: inherit; cursor: pointer; }
form { display: grid; gap: 14px; }
.field { display: grid; gap: 6px; }
.field label { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; opacity: 0.75; }
.field input, .field select, .field textarea {
  font: inherit; font-size: 1.02rem; padding: 12px 14px; border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--bg) 30%, transparent); background: color-mix(in srgb, var(--bg) 8%, transparent); color: var(--bg);
}
.field select option { color: #1F1B2D; }
.field textarea { min-height: 110px; resize: vertical; }
.contact-card .btn.primary { justify-self: start; }
#form-msg { font-size: 0.98rem; opacity: 0.85; }

footer { border-top: 1px solid var(--line); padding-block: 32px; }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; color: var(--muted); font-size: 0.95rem; }
footer .logo .word { font-size: 1.5rem; }
footer .logo .formula { font-size: 0.45rem; margin-top: 2px; }

@media (max-width: 900px) {
  .hero, .why, .contact-card { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding-block: 48px; }
  .benefits { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step:nth-child(3) { padding-left: 0; border-left: 0; }
  .svc-list { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .benefits, .steps { grid-template-columns: 1fr; }
  .step + .step { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .about { grid-template-columns: 1fr; }
  .portrait { max-width: 200px; }
  section.block, .contact { padding-block: 60px; }
}
@media (prefers-reduced-motion: reduce) { .btn { transition: none; } .btn:hover { transform: none; } }

/* Boutons de contact (site en ligne) */
.contact-actions { display: grid; gap: 12px; align-content: center; }
.cta { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 6px 16px; padding: 18px 22px; border-radius: 16px; text-decoration: none; color: var(--bg); border: 1px solid color-mix(in srgb, var(--bg) 25%, transparent); transition: background .15s ease; }
.cta:hover { background: color-mix(in srgb, var(--bg) 10%, transparent); }
.cta .k { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; opacity: 0.7; }
.cta .v { font-family: var(--font-head); font-size: 1.35rem; font-weight: 500; overflow-wrap: anywhere; }
.cta:first-child { background: var(--red); border-color: var(--red); color: var(--red-ink); }
footer a { color: inherit; text-underline-offset: 3px; }

/* Page Mentions légales */
.legal { padding-block: 64px 88px; max-width: 46rem; }
.legal h1 { font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: 12px; }
.legal h2 { font-size: 1.4rem; margin-top: 44px; margin-bottom: 12px; }
.legal p, .legal li { color: var(--fg); }
.legal p + p { margin-top: 12px; }
.legal ul { padding-left: 1.2em; margin: 12px 0 0; display: grid; gap: 6px; }
.legal .updated { color: var(--muted); font-family: var(--font-mono); font-size: 0.85rem; }
.legal address { font-style: normal; background: var(--surface); border-radius: 16px; padding: 18px 22px; margin-top: 12px; }
.ph { background: color-mix(in srgb, var(--c3) 45%, transparent); border-radius: 4px; padding-inline: 4px; }