:root {
  --bg: #ffffff;
  --bg-alt: #f0f7fc;
  --surface: #ffffff;
  --text: #12324a;
  --text-soft: #3a566b;
  --muted: #5f7789;
  --accent: #1592d6;
  --accent-dark: #0b7dbb;
  --on-accent: #ffffff;
  --accent-2: #0d86c8;
  --sky: #e3f3fc;
  --grad: linear-gradient(120deg, #0f8bd0 0%, #4cc3f5 100%);
  --line: rgba(18, 50, 74, 0.1);
  --shadow: 0 10px 30px rgba(18, 50, 74, 0.08);
  --radius: 14px;
  --font-title: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3 { font-family: var(--font-title); line-height: 1.15; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.2rem, 5.5vw, 4rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 700; margin-bottom: 1rem; }
h3 { font-size: 1.2rem; font-weight: 500; margin-bottom: .5rem; }
p + p { margin-top: 1rem; }

.container { width: min(1180px, 100% - 32px); margin-inline: auto; }
.container--narrow { width: min(780px, 100% - 32px); }

.eyebrow {
  color: var(--accent-2);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: .8rem;
}

/* ---------- Placeholders (emplacements à remplacer par tes images) ---------- */
.placeholder {
  position: relative;
  background: #e4eff6;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 200px;
}
.placeholder::after {
  content: attr(data-label);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 1rem;
  text-align: center;
  color: #7b93a5;
  font-size: .75rem;
  letter-spacing: .1em;
  border: 1px dashed #b5cddd;
  border-radius: inherit;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  background: var(--grad);
  color: var(--on-accent);
  font-weight: 600;
  padding: .9rem 1.5rem;
  border-radius: 999px;
  border: 0;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  transition: background .2s, transform .2s;
}
.btn:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn--ghost { background: rgba(255,255,255,.7); color: var(--text); border: 2px solid rgba(18,50,74,.2); }
.btn--ghost:hover { background: #fff; border-color: var(--accent); filter: none; }
.btn--small { padding: .5rem 1.1rem; font-size: .9rem; }
.btn--full { width: 100%; }
.btn--whatsapp { background: #25d366; border-color: #25d366; color: #fff; margin-top: 1.5rem; }
.btn--whatsapp:hover { background: #1ebe5b; filter: none; }

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: .6rem; font-family: var(--font-title); font-size: 1.05rem; }
.logo strong { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; font-weight: 700; }
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.logo__mark {
  width: 28px; height: 28px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  position: relative;
}
.logo__mark::after {
  content: ""; position: absolute; inset: 7px;
  background: var(--accent); border-radius: 50%;
}
.nav { display: flex; align-items: center; gap: 1.6rem; font-size: .95rem; }
.nav a:not(.btn) { color: var(--muted); transition: color .2s; }
.nav a:not(.btn):hover { color: var(--text); }
.burger { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.burger span { display: block; width: 24px; height: 2px; background: var(--text); margin: 5px 0; transition: .3s; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding: 120px 0 80px;
}
.hero__media { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 35%; }
.hero__overlay { position: absolute; inset: 0; background:
    linear-gradient(90deg, rgba(8, 40, 64, .75) 0%, rgba(8, 40, 64, .45) 50%, rgba(8, 40, 64, 0) 85%),
    linear-gradient(to top, rgba(8, 40, 64, .7) 0%, rgba(8, 40, 64, 0) 60%); }
.hero { color: #fff; }
.hero .eyebrow { color: #fff; opacity: .9; }
.hero .grad-text { background: linear-gradient(120deg, #7fd3ff 0%, #c9efff 100%); -webkit-background-clip: text; background-clip: text; }
.hero h1 { text-shadow: 0 2px 24px rgba(8, 40, 64, .5); }
.hero__content { position: relative; max-width: 780px; margin-left: max(16px, (100% - 1180px) / 2); }
.hero__lead { font-size: 1.15rem; color: rgba(255,255,255,.92); margin: 1.5rem 0 2rem; max-width: 620px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; }

/* ---------- Sections ---------- */
.section { padding: 100px 0; }
.section--alt { background: var(--bg-alt); }
.section__head { max-width: 680px; margin-bottom: 3rem; }
.section__head p:not(.eyebrow) { color: var(--muted); }

.split { display: grid; grid-template-columns: 1fr 1.2fr; gap: 4rem; align-items: center; }
.split p, #approche p:not(.eyebrow) { color: var(--text-soft); }

.checklist { list-style: none; margin-top: 1.8rem; display: grid; gap: .7rem; }
.checklist li { padding-left: 1.8rem; position: relative; }
.checklist li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

/* ---------- Garantie ---------- */
.guarantee-pill {
  display: inline-flex; align-items: center; gap: .6rem;
  margin: 0 0 2rem;
  padding: .55rem 1.1rem;
  border: 1px solid rgba(21, 146, 214, .35);
  background: rgba(21, 146, 214, .08);
  border-radius: 999px;
  font-weight: 600; font-size: .95rem;
  color: var(--text);
}
.guarantee-pill span { color: var(--accent-2); }
.contact .guarantee-pill { margin: 1.5rem 0 0; }

.guarantee {
  padding: 80px 0;
  background: linear-gradient(135deg, #dff1fc, #f4fbff);
  border-block: 1px solid rgba(21, 146, 214, .2);
}
.guarantee__inner { display: grid; grid-template-columns: auto 1fr; gap: 2.5rem; align-items: start; max-width: 960px; }
.guarantee__icon {
  width: 88px; height: 88px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--grad); color: var(--on-accent);
  font-size: 2.6rem; font-weight: 700;
}
.guarantee p:not(.eyebrow) { color: var(--text-soft); font-size: 1.08rem; }
@media (max-width: 640px) {
  .guarantee__inner { grid-template-columns: 1fr; gap: 1.5rem; }
  .guarantee__icon { width: 64px; height: 64px; font-size: 1.9rem; }
}

/* ---------- Formules ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
  display: flex;
  flex-direction: column;
}
.cards .card { background: #cfeafc; border-color: rgba(21, 146, 214, .25); }
.cards .card p { color: var(--text-soft); }
.card--featured { border-color: var(--accent); }
.badge {
  position: absolute; top: -12px; right: 1.5rem;
  background: var(--grad); color: var(--on-accent);
  font-size: .75rem; font-weight: 600;
  padding: .25rem .8rem; border-radius: 999px;
}
.card__num { font-family: var(--font-title); color: var(--accent-2); font-size: .9rem; margin-bottom: 1rem; }
.card p { color: var(--muted); font-size: .95rem; }
.card ul { list-style: none; margin: 1.2rem 0 1.5rem; display: grid; gap: .5rem; font-size: .92rem; }
.card ul li { padding-left: 1.2rem; position: relative; }
.card ul li::before { content: "•"; position: absolute; left: 0; color: var(--accent); }
.card__link { margin-top: auto; color: var(--accent); font-weight: 600; }

/* ---------- Pour qui ---------- */
.audience { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.audience__img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: var(--radius); margin-bottom: 1.2rem; }
.audience__item p { color: var(--muted); font-size: .95rem; }

/* ---------- Étapes ---------- */
.steps { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; counter-reset: none; }
.steps li { border-top: 1px solid var(--line); padding-top: 1.5rem; }
.steps span {
  display: inline-grid; place-items: center;
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--accent-2); color: var(--accent-2);
  font-family: var(--font-title); margin-bottom: 1rem;
}
.steps p { color: var(--muted); font-size: .95rem; }

/* ---------- FAQ ---------- */
details { border-bottom: 1px solid var(--line); padding: 1.2rem 0; }
summary {
  cursor: pointer; list-style: none;
  font-weight: 500; font-size: 1.05rem;
  display: flex; justify-content: space-between; gap: 1rem;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--accent); font-size: 1.4rem; line-height: 1; transition: transform .2s; }
details[open] summary::after { transform: rotate(45deg); }
details p { color: var(--muted); margin-top: .8rem; }

/* ---------- Contact ---------- */
.split--center { align-items: start; }
.form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
  display: grid;
  gap: 1rem;
}
.form__intro { color: var(--muted); font-size: .9rem; }
.form label { display: grid; gap: .4rem; font-size: .9rem; color: var(--muted); }
.form input, .form select, .form textarea {
  font: inherit;
  color: var(--text);
  background: #f6fafd;
  border: 1px solid rgba(18, 50, 74, .15);
  border-radius: 10px;
  padding: .75rem .9rem;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 2rem 0; color: var(--muted); font-size: .9rem; }
.footer__inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem; }

.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 60;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25d366; color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 8px 24px rgba(18,50,74,.25);
  transition: transform .2s;
}
.wa-float:hover { transform: scale(1.07); }

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .cards { grid-template-columns: 1fr; max-width: 560px; }
  .audience, .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 820px) {
  .burger { display: block; }
  .nav {
    position: fixed; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    padding: .5rem 16px 1.5rem;
    transform: translateY(-120%); transition: transform .3s;
    z-index: -1;
  }
  .nav.open { transform: none; }
  .nav a:not(.btn) { padding: .9rem 0; border-bottom: 1px solid var(--line); }
  .nav .btn { margin-top: 1rem; }
  .split { grid-template-columns: 1fr; gap: 2.5rem; }
  .section { padding: 72px 0; }
}
@media (max-width: 560px) {
  .audience, .steps { grid-template-columns: 1fr; }
  .hero__actions .btn { width: 100%; }
}

/* Hero : badge et bouton secondaire sur photo */
.hero .guarantee-pill { background: rgba(255,255,255,.15); border-color: rgba(255,255,255,.45); color: #fff; backdrop-filter: blur(6px); }
.hero .guarantee-pill span { color: #9fdcff; }
.hero .btn--ghost { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.6); backdrop-filter: blur(6px); }
.hero .btn--ghost:hover { background: rgba(255,255,255,.25); border-color: #fff; }