/* ==========================================================================
   Binôme Conseil — TPE / PME
   Feuille de style unique. Aucune dépendance externe hors Google Fonts.
   ========================================================================== */

:root {
  /* Encre */
  --ink:        #0B0E13;
  --ink-2:      #11151D;
  --ink-3:      #1A202B;
  --line:       #262E3C;
  --line-soft:  #1E2530;

  /* Texte */
  --text:       #EDF0F5;
  --text-2:     #A8B2C1;
  --text-3:     #6E7A8C;

  /* Accents : un par regard */
  --arnaud:     #46E5C8;   /* digital, SEO, IA */
  --pierrot:    #FFB443;   /* gestion, organisation, commercial */
  --accent:     var(--arnaud);

  --radius:     14px;
  --maxw:       1140px;
  --ease:       cubic-bezier(.22,.61,.36,1);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }

a { color: inherit; }

h1, h2, h3, h4 {
  font-family: "Space Grotesk", "Inter", sans-serif;
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.022em;
  margin: 0;
  text-wrap: balance;
}

h1 { font-size: clamp(2.5rem, 6vw, 4.4rem); }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.9rem); }
h3 { font-size: 1.25rem; letter-spacing: -0.012em; }

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

/* --------------------------------------------------------- Utilitaires --- */

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 24px;
}

.section { padding: clamp(72px, 10vw, 128px) 0; }
.section--tight { padding: clamp(56px, 7vw, 88px) 0; }
.section--alt { background: var(--ink-2); }

.eyebrow {
  font-family: "Space Grotesk", sans-serif;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-3);
  margin: 0 0 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 1px;
  background: var(--accent);
  flex: none;
}

.lead {
  font-size: clamp(1.06rem, 1.6vw, 1.3rem);
  color: var(--text-2);
  line-height: 1.6;
  max-width: 62ch;
}

.muted { color: var(--text-2); }
.small { font-size: .9rem; }
.fineprint {
  font-size: .84rem;
  color: var(--text-3);
  line-height: 1.6;
  max-width: 76ch;
}

.center { text-align: center; margin-inline: auto; }

/* ------------------------------------------------------------- Boutons --- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 26px;
  border-radius: 999px;
  font-family: "Space Grotesk", sans-serif;
  font-size: .96rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform .22s var(--ease), background-color .22s var(--ease), border-color .22s var(--ease), color .22s var(--ease);
}
.btn:hover { transform: translateY(-2px); }

.btn--primary { background: var(--accent); color: #06231E; }
.btn--primary:hover { background: #6BF0D8; }

.btn--ghost { border-color: var(--line); color: var(--text); }
.btn--ghost:hover { border-color: var(--text-3); background: rgba(255,255,255,.03); }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

/* --------------------------------------------------------------- Header -- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11,14,19,.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}
.brand {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 11px;
}
.brand__mark {
  display: inline-flex;
  gap: 4px;
}
.brand__mark i {
  width: 9px; height: 9px;
  border-radius: 50%;
  display: block;
}
.brand__mark i:first-child { background: var(--arnaud); }
.brand__mark i:last-child  { background: var(--pierrot); }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  text-decoration: none;
  font-size: .93rem;
  color: var(--text-2);
  padding: 8px 13px;
  border-radius: 8px;
  transition: color .18s, background-color .18s;
}
.nav a:hover { color: var(--text); background: rgba(255,255,255,.045); }
.nav a[aria-current="page"] { color: var(--text); }
.nav a.btn { margin-left: 10px; padding: 10px 20px; font-size: .9rem; }
.nav a.btn--primary { color: #06231E; background: var(--accent); }
.nav a.btn--primary:hover { color: #06231E; background: #6BF0D8; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 9px;
  padding: 9px 13px;
  font-size: .9rem;
  font-family: inherit;
  cursor: pointer;
}

/* ----------------------------------------------------------------- Hero -- */

.hero {
  position: relative;
  padding: clamp(80px, 12vw, 150px) 0 clamp(60px, 8vw, 100px);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -40% 20% auto -20%;
  height: 620px;
  background: radial-gradient(closest-side, rgba(70,229,200,.13), transparent 72%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  inset: -10% -25% auto 45%;
  height: 560px;
  background: radial-gradient(closest-side, rgba(255,180,67,.10), transparent 72%);
  pointer-events: none;
}
.hero > .wrap { position: relative; }

.hero h1 { max-width: 16ch; }
.hero .lead { margin-top: 26px; }
.hero .btn-row { margin-top: 38px; }

.hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 46px;
  padding-top: 30px;
  border-top: 1px solid var(--line-soft);
}
.tag {
  font-family: "Space Grotesk", sans-serif;
  font-size: .78rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 15px;
}

/* --------------------------------------------------------- Page heading -- */

.pagehead {
  padding: clamp(64px, 9vw, 112px) 0 clamp(40px, 5vw, 64px);
  border-bottom: 1px solid var(--line-soft);
  position: relative;
  overflow: hidden;
}
.pagehead::before {
  content: "";
  position: absolute;
  inset: -60% 40% auto -15%;
  height: 520px;
  background: radial-gradient(closest-side, rgba(70,229,200,.10), transparent 72%);
  pointer-events: none;
}
.pagehead > .wrap { position: relative; }
.pagehead .lead { margin-top: 22px; }

/* ---------------------------------------------------------------- Cards -- */

.grid { display: grid; gap: 20px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 30px;
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}
.card:hover { border-color: var(--line); transform: translateY(-3px); }
.card h3 { margin-bottom: 12px; }
.card p { color: var(--text-2); font-size: .98rem; }

.card__num {
  font-family: "Space Grotesk", sans-serif;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--accent);
  display: block;
  margin-bottom: 16px;
}

/* --------------------------------------------------------- Deux regards -- */

.regards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

.regard {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 32px;
  background: var(--ink-2);
  position: relative;
  overflow: hidden;
}
.regard::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--c, var(--accent));
}
.regard--arnaud  { --c: var(--arnaud); }
.regard--pierrot { --c: var(--pierrot); }

.regard__name {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 6px;
}
.regard__role {
  font-family: "Space Grotesk", sans-serif;
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c);
  margin: 0 0 20px;
}
.regard p { color: var(--text-2); font-size: .98rem; }

.checklist { list-style: none; margin: 20px 0 0; padding: 0; }
.checklist li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 12px;
  color: var(--text-2);
  font-size: .97rem;
  line-height: 1.55;
}
.checklist li::before {
  content: "";
  position: absolute;
  left: 0; top: .62em;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--c, var(--accent));
}
.checklist li:last-child { margin-bottom: 0; }

.checklist--check li::before {
  content: "✓";
  background: none;
  width: auto; height: auto;
  top: 0;
  color: var(--c, var(--accent));
  font-size: .95rem;
  font-weight: 700;
}

/* -------------------------------------------------------------- Constat -- */

.constat { counter-reset: c; }
.constat .card { position: relative; padding-top: 34px; }
.constat .card::before {
  counter-increment: c;
  content: "0" counter(c);
  font-family: "Space Grotesk", sans-serif;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--accent);
  display: block;
  margin-bottom: 14px;
}
.constat .card p {
  color: var(--text);
  font-size: 1.02rem;
  line-height: 1.55;
}

/* --------------------------------------------------------------- Étapes -- */

.steps { list-style: none; margin: 0; padding: 0; counter-reset: s; }
.steps > li {
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 26px;
  padding: 30px 0;
  border-top: 1px solid var(--line-soft);
}
.steps > li:last-child { border-bottom: 1px solid var(--line-soft); }
.steps > li::before {
  counter-increment: s;
  content: counter(s);
  font-family: "Space Grotesk", sans-serif;
  font-size: 2.1rem;
  font-weight: 600;
  line-height: 1;
  color: var(--accent);
  opacity: .55;
}
.steps h3 { margin-bottom: 10px; }
.steps p { color: var(--text-2); max-width: 66ch; }

/* --------------------------------------------------------------- Offres -- */

.offer {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--ink-2);
  padding: 36px;
  display: flex;
  flex-direction: column;
}
.offer--feature {
  border-color: rgba(70,229,200,.35);
  background: linear-gradient(180deg, rgba(70,229,200,.045), var(--ink-2) 55%);
}
/* Deux propositions de même rang, menées à deux : filet bicolore en tête */
.offer--duo {
  position: relative;
  overflow: hidden;
  padding-top: 40px;
}
.offer--duo::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--arnaud), var(--pierrot));
}
.offer--duo .offer__level { color: var(--text-2); }

.offer__level {
  font-family: "Space Grotesk", sans-serif;
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 14px;
}
.offer h3 { font-size: 1.5rem; margin-bottom: 14px; }
.offer > p { color: var(--text-2); font-size: .98rem; }
.offer .checklist { margin-top: 22px; }
.offer__price {
  margin-top: auto;
  padding-top: 26px;
  border-top: 1px solid var(--line-soft);
  font-family: "Space Grotesk", sans-serif;
}
.offer__price span {
  display: block;
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 6px;
}
.offer__price strong {
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.offer__price em {
  font-style: normal;
  color: var(--text-3);
  font-size: .95rem;
  font-family: "Inter", sans-serif;
}

.badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.badge {
  font-size: .8rem;
  color: var(--text-2);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 5px 11px;
}

/* ----------------------------------------------------------------- Cas ---- */

.case {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--ink-2);
  padding: 34px;
}
.case > h3 { font-size: 1.35rem; margin-bottom: 20px; }
.case__block { margin-top: 24px; }
.case__label {
  font-family: "Space Grotesk", sans-serif;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-3);
  margin: 0 0 12px;
}
.case__result {
  margin-top: 26px;
  padding: 22px;
  border-radius: 10px;
  background: var(--ink-3);
}
.case__result .case__label { color: var(--accent); }

/* -------------------------------------------------------------- Bandeau -- */

.pledge {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.pledge > div {
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 26px 30px;
  background: var(--ink-2);
}
.pledge h3 { font-size: 1.12rem; margin-bottom: 10px; }
.pledge p { color: var(--text-2); font-size: .96rem; }

/* ------------------------------------------------------------------ CTA -- */

.cta {
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: clamp(38px, 6vw, 68px);
  background:
    radial-gradient(120% 140% at 12% 0%, rgba(70,229,200,.10), transparent 58%),
    radial-gradient(120% 140% at 88% 100%, rgba(255,180,67,.09), transparent 58%),
    var(--ink-2);
  text-align: center;
}
.cta h2 { max-width: 20ch; margin-inline: auto; }
.cta .lead { margin: 22px auto 0; text-align: center; }
.cta .btn-row { justify-content: center; margin-top: 34px; }

/* -------------------------------------------------------------- Contact -- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.contact-card {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--ink-2);
  padding: 32px;
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--c, var(--accent));
}
.contact-card a {
  text-decoration: none;
  color: var(--text);
  border-bottom: 1px solid var(--line);
  transition: border-color .2s;
}
.contact-card a:hover { border-color: var(--c, var(--accent)); }
.contact-card__lines { margin-top: 20px; display: grid; gap: 8px; font-size: .98rem; }

.form { display: grid; gap: 18px; }
.field { display: grid; gap: 8px; align-content: start; }
.field--row > .field { align-self: start; }
.field label {
  font-family: "Space Grotesk", sans-serif;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-2);
}
.field input,
.field select,
.field textarea {
  font-family: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 13px 15px;
  width: 100%;
  transition: border-color .2s;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.field textarea { min-height: 150px; resize: vertical; }
.field--row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

/* Pot de miel : masqué sans display:none, que certains robots détectent. */
.pot-de-miel {
  position: absolute;
  left: -9999px;
  width: 1px; height: 1px;
  overflow: hidden;
}

.form-statut {
  margin: 0;
  padding: 14px 18px;
  border-radius: 10px;
  font-size: .95rem;
  border: 1px solid var(--line);
  background: var(--ink-3);
  color: var(--text-2);
}
.form-statut--ok {
  border-color: rgba(70,229,200,.45);
  background: rgba(70,229,200,.08);
  color: var(--text);
}
.form-statut--erreur {
  border-color: rgba(255,138,110,.5);
  background: rgba(255,138,110,.08);
  color: #FFC7B8;
}

.field-erreur {
  margin: 2px 0 0;
  font-size: .88rem;
  color: #FF9E86;
}
.field input[aria-invalid],
.field select[aria-invalid],
.field textarea[aria-invalid] { border-color: #FF9E86; }

.form button[type="submit"][disabled] { opacity: .6; cursor: progress; }

/* ------------------------------------------------------------- Légal --- */

.legal {
  max-width: 74ch;
}
.legal h2 {
  font-size: 1.5rem;
  margin-top: 56px;
  margin-bottom: 18px;
  padding-top: 32px;
  border-top: 1px solid var(--line-soft);
}
.legal > h2:first-child { margin-top: 0; padding-top: 0; border-top: none; }
.legal h3 {
  font-size: 1.08rem;
  margin-top: 28px;
  margin-bottom: 12px;
}
.legal p { color: var(--text-2); }
.legal p + h3 { margin-top: 26px; }
.legal ul.checklist { margin-top: 14px; margin-bottom: 20px; }
.legal a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgba(70,229,200,.35);
  text-underline-offset: 3px;
}
.legal a:hover { text-decoration-color: var(--accent); }
.legal strong { color: var(--text); font-weight: 600; }

.legal-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 56px;
  align-items: start;
}
.legal-layout > * { min-width: 0; }
.legal-nav { position: sticky; top: 96px; }
.legal p, .legal a { overflow-wrap: break-word; }

.legal-toc {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}
.legal-toc a {
  display: block;
  padding: 10px 0;
  color: var(--text-2);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
  font-size: .95rem;
  transition: color .18s;
}
.legal-toc a:hover { color: var(--text); }

.callout {
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 0 12px 12px 0;
  background: var(--ink-2);
  padding: 20px 24px;
  margin: 22px 0;
}
.callout p { color: var(--text-2); font-size: .96rem; }
.callout p:first-child { margin-top: 0; }
.callout--warn { border-left-color: var(--pierrot); }

.fill {
  color: var(--pierrot);
  font-style: normal;
  font-weight: 600;
  background: rgba(255,180,67,.1);
  padding: 1px 7px;
  border-radius: 5px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

/* --------------------------------------------------------------- Footer -- */

.site-footer {
  border-top: 1px solid var(--line-soft);
  padding: 56px 0 40px;
  background: var(--ink-2);
}
.site-footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
}
.site-footer h4 {
  font-size: .78rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 16px;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.site-footer a {
  text-decoration: none;
  color: var(--text-2);
  font-size: .95rem;
  transition: color .18s;
}
.site-footer a:hover { color: var(--text); }
.site-footer__bottom {
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: .86rem;
  color: var(--text-3);
}

/* ------------------------------------------------------------ Responsive -- */

@media (max-width: 900px) {
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .site-footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .nav {
    display: none;
    position: absolute;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 14px 24px 22px;
    background: var(--ink-2);
    border-bottom: 1px solid var(--line);
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 12px 4px; }
  .nav .btn { margin: 10px 0 0; justify-content: center; }
  .nav-toggle { display: block; }
  .site-header__inner { position: relative; }

  .grid--2, .grid--3, .regards, .pledge, .contact-grid { grid-template-columns: 1fr; }
  .legal-layout { grid-template-columns: 1fr; gap: 28px; }
  .legal-nav { position: static; }
  .field--row { grid-template-columns: 1fr; }
  .steps > li { grid-template-columns: 44px 1fr; gap: 18px; }
  .steps > li::before { font-size: 1.6rem; }
  .site-footer__inner { grid-template-columns: 1fr; gap: 32px; }
  .card, .regard, .offer, .case, .contact-card { padding: 26px; }
}