/* =========================================================
   Pro-Domotique — feuille de style unique
   ========================================================= */
:root {
  --navy: #0a2540;
  --navy-2: #123a63;
  --blue: #2563eb;
  --teal: #0fb9a6;
  --wa: #25d366;
  --ink: #0f172a;
  --muted: #5b6b80;
  --line: #e6ebf2;
  --bg: #f6f8fb;
  --white: #ffffff;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(10, 37, 64, 0.08);
  --shadow-lg: 0 20px 50px rgba(10, 37, 64, 0.14);
  --maxw: 1160px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; color: var(--navy); }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.section { padding: 84px 0; }
.section--tight { padding: 56px 0; }
.section__head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.section__head h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
.section__head p { color: var(--muted); font-size: 1.05rem; }
.eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--teal); margin-bottom: 10px;
}

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px; justify-content: center;
  font-weight: 600; font-size: .98rem; padding: 13px 24px; border-radius: 999px;
  border: 1.5px solid transparent; cursor: pointer; transition: transform .15s ease, box-shadow .2s ease, background .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--blue); color: #fff; box-shadow: 0 8px 20px rgba(37, 99, 235, .3); }
.btn--primary:hover { background: #1d4fd8; }
.btn--ghost { background: transparent; color: var(--navy); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn--light { background: #fff; color: var(--navy); }
.btn--wa { background: var(--wa); color: #fff; box-shadow: 0 8px 20px rgba(37, 211, 102, .28); }
.btn--wa:hover { background: #1fb457; }
.btn--lg { padding: 16px 30px; font-size: 1.05rem; }

/* ---------- Header / Nav ---------- */
.header {
  position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: inline-flex; align-items: center; font-weight: 800; font-size: 1.4rem; letter-spacing: -.015em; color: var(--navy); }
.brand b { color: var(--blue); font-weight: 800; }
.nav__menu { display: flex; align-items: center; gap: 26px; }
.nav__menu a:not(.btn) { font-weight: 500; color: var(--ink); font-size: .97rem; }
.nav__menu a:not(.btn):hover { color: var(--blue); }
.nav__toggle { display: none; background: none; border: 0; cursor: pointer; width: 40px; height: 40px; }
.nav__toggle span { display: block; width: 22px; height: 2px; background: var(--navy); margin: 5px auto; transition: .25s; }
.nav__toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; color: #eaf2ff; overflow: hidden;
  background: radial-gradient(900px 500px at 80% -10%, rgba(15,185,166,.35), transparent 60%),
              linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
}
.hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; padding-top: 84px; padding-bottom: 84px; }
.hero h1 { color: #fff; font-size: clamp(2rem, 4.4vw, 3.3rem); margin-bottom: 18px; }
.hero p { color: #c4d4ec; font-size: 1.12rem; max-width: 540px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.hero__badges { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 32px; color: #aecbf0; font-size: .92rem; }
.hero__badges span { display: inline-flex; align-items: center; gap: 7px; }
.hero__art {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
  border-radius: 24px; padding: 22px; backdrop-filter: blur(6px); box-shadow: var(--shadow-lg);
}
.hero__app {
  background: linear-gradient(160deg, #0d2c4d, #16456f); border-radius: 18px; padding: 22px;
}
.hero__app-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; margin-bottom: 12px;
  background: rgba(255,255,255,.07); border-radius: 12px; color: #dbe8fb; font-size: .95rem; width: 100%; text-align: left; }
.hero__app-row:last-child { margin-bottom: 0; }
.hero__app-row b { color: #fff; }
button.hero__app-row { border: 0; font: inherit; cursor: pointer; transition: background .2s, transform .1s; -webkit-tap-highlight-color: transparent; }
button.hero__app-row:hover { background: rgba(255,255,255,.12); }
button.hero__app-row:active { transform: scale(.985); }
.hero__app-label { transition: opacity .2s; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hero__app-row.is-off .hero__app-label { opacity: .5; }
.hero__app-state { transition: color .2s; }
.hero__app-state.is-off { color: #ffd27a; }

.toggle { width: 42px; height: 24px; border-radius: 999px; background: var(--teal); position: relative; flex: none; transition: background .25s ease; }
.toggle::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; transform: translateX(18px); transition: transform .25s ease; }
.toggle.off { background: rgba(255,255,255,.25); }
.toggle.off::after { transform: translateX(0); }

/* ---------- Bandeau confiance ---------- */
.trust { background: var(--white); border-bottom: 1px solid var(--line); }
.trust__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding-top: 30px; padding-bottom: 30px; text-align: center; }
.trust__item b { display: block; font-size: 1.5rem; color: var(--navy); }
.trust__item span { color: var(--muted); font-size: .9rem; }

/* ---------- Cartes services ---------- */
.grid { display: grid; gap: 24px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.feature {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s;
}
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feature__icon {
  width: 52px; height: 52px; border-radius: 13px; display: grid; place-items: center; margin-bottom: 16px;
  background: linear-gradient(135deg, rgba(37,99,235,.12), rgba(15,185,166,.16)); color: var(--blue);
}
.feature h3 { font-size: 1.15rem; }
.feature p { color: var(--muted); margin: 0; font-size: .96rem; }

/* ---------- Étapes ---------- */
.steps { counter-reset: step; }
.step { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px; position: relative; box-shadow: var(--shadow); }
.step::before {
  counter-increment: step; content: counter(step); position: absolute; top: -16px; left: 24px;
  width: 36px; height: 36px; border-radius: 50%; background: var(--blue); color: #fff;
  display: grid; place-items: center; font-weight: 700; box-shadow: 0 6px 14px rgba(37,99,235,.35);
}
.step h3 { font-size: 1.08rem; margin-top: 8px; }
.step p { color: var(--muted); margin: 0; font-size: .94rem; }

/* ---------- Produits ---------- */
.products-toolbar { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; justify-content: space-between; margin-bottom: 30px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  border: 1.5px solid var(--line); background: #fff; color: var(--muted); padding: 8px 16px;
  border-radius: 999px; cursor: pointer; font-weight: 500; font-size: .9rem; transition: .15s;
}
.chip:hover { border-color: var(--blue); color: var(--blue); }
.chip.is-active { background: var(--navy); color: #fff; border-color: var(--navy); }
.search { position: relative; }
.search input {
  border: 1.5px solid var(--line); border-radius: 999px; padding: 11px 18px 11px 42px;
  font-size: .95rem; width: 260px; font-family: inherit; outline: none;
}
.search input:focus { border-color: var(--blue); }
.search svg { position: absolute; left: 15px; top: 50%; transform: translateY(-50%); color: var(--muted); }

.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.products-loading, .products-empty { grid-column: 1/-1; text-align: center; color: var(--muted); padding: 40px 0; }

.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column; box-shadow: var(--shadow);
  transition: transform .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.card__media {
  position: relative; aspect-ratio: 4/3; background: #eef2f7; display: grid; place-items: center; overflow: hidden;
}
.card__media img { width: 100%; height: 100%; object-fit: contain; padding: 10px; }
.card__media--empty::after {
  content: "Pro-Domotique"; color: #b6c2d3; font-weight: 700; letter-spacing: .05em;
}
.card__badge {
  position: absolute; top: 12px; left: 12px; background: var(--teal); color: #fff;
  font-size: .72rem; font-weight: 700; padding: 4px 10px; border-radius: 999px; text-transform: uppercase;
}
.card__cat {
  position: absolute; top: 12px; right: 12px; background: rgba(10,37,64,.82); color: #fff;
  font-size: .72rem; padding: 4px 10px; border-radius: 999px;
}
.card__body { padding: 18px 18px 20px; display: flex; flex-direction: column; flex: 1; }
.card__title { font-size: 1.02rem; line-height: 1.35; margin-bottom: 8px; }
.card__desc { color: var(--muted); font-size: .9rem; flex: 1; margin-bottom: 14px; }
.card__price { display: flex; align-items: baseline; gap: 10px; margin-bottom: 16px; }
.card__price-now { font-size: 1.3rem; font-weight: 800; color: var(--navy); }
.card__price-old { font-size: .95rem; color: #9aa7b8; text-decoration: line-through; }
.card__price-quote { font-size: 1rem; font-weight: 600; color: var(--teal); }
.card__cta { width: 100%; }

/* ---------- Packs / Formules ---------- */
.packs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; align-items: stretch; }
.pack {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; display: flex; flex-direction: column; position: relative;
  box-shadow: var(--shadow); transition: transform .2s, box-shadow .2s;
}
.pack:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.pack--featured { border-color: var(--blue); box-shadow: 0 18px 44px rgba(37, 99, 235, .2); }
.pack--quote { background: linear-gradient(180deg, #fff, #f3f7ff); border-style: dashed; }
.pack__badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--blue); color: #fff; font-size: .72rem; font-weight: 700;
  padding: 5px 14px; border-radius: 999px; text-transform: uppercase; letter-spacing: .05em; white-space: nowrap;
}
.pack__name { font-size: 1.2rem; margin-bottom: 6px; }
.pack__tag { color: var(--muted); font-size: .92rem; margin-bottom: 18px; min-height: 44px; }
.pack__price { display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; }
.pack__from { font-size: .82rem; color: var(--muted); }
.pack__amount { font-size: 2rem; font-weight: 800; color: var(--navy); line-height: 1; }
.pack__amount--quote { font-size: 1.5rem; color: var(--teal); }
.pack__cur { font-size: 1rem; font-weight: 700; color: var(--navy); }
.pack__note { font-size: .8rem; color: var(--muted); margin: 8px 0 22px; }
.pack__features { list-style: none; padding: 0; margin: 0 0 26px; flex: 1; }
.pack__features li { display: flex; gap: 10px; align-items: flex-start; padding: 8px 0; font-size: .92rem; color: var(--ink); border-bottom: 1px solid var(--line); }
.pack__features li:last-child { border-bottom: 0; }
.pack__features svg { color: var(--teal); flex: none; margin-top: 3px; }
.pack .btn { width: 100%; }
.packs__foot { text-align: center; color: var(--muted); font-size: .88rem; margin: 32px auto 0; max-width: 680px; }

/* ---------- CTA / Devis ---------- */
.cta {
  background: radial-gradient(700px 400px at 15% 20%, rgba(15,185,166,.4), transparent 60%),
              linear-gradient(135deg, var(--navy), var(--navy-2));
  color: #fff; border-radius: 26px; padding: 56px; text-align: center; box-shadow: var(--shadow-lg);
}
.cta h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.3rem); }
.cta p { color: #c8d8ef; max-width: 560px; margin: 0 auto 26px; }
.cta__btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- Formulaire ---------- */
.quote { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.quote__info h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
.quote__info ul { list-style: none; padding: 0; margin: 24px 0 0; }
.quote__info li { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 16px; color: var(--muted); }
.quote__info li svg { color: var(--teal); flex: none; margin-top: 3px; }
.quote__info li b { color: var(--ink); display: block; }
form.card-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); }
.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 6px; }
.field input, .field textarea {
  width: 100%; border: 1.5px solid var(--line); border-radius: 12px; padding: 12px 14px;
  font-family: inherit; font-size: .96rem; outline: none; resize: vertical;
}
.field input:focus, .field textarea:focus { border-color: var(--blue); }
.form-note { font-size: .82rem; color: var(--muted); margin: 12px 0 0; text-align: center; }

/* ---------- Footer ---------- */
.footer { background: var(--navy); color: #b7c6dc; padding: 56px 0 28px; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 36px; }
.footer h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.footer a { display: block; color: #b7c6dc; padding: 5px 0; }
.footer a:hover { color: #fff; }
.footer .brand { color: #fff; margin-bottom: 14px; }
.footer__about p { font-size: .92rem; max-width: 320px; }
.footer__social { display: flex; gap: 12px; margin-top: 16px; }
.footer__social a {
  width: 38px; height: 38px; border-radius: 10px; background: rgba(255,255,255,.08);
  display: grid; place-items: center; padding: 0;
}
.footer__social a:hover { background: var(--blue); }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 36px; padding-top: 20px; text-align: center; font-size: .85rem; }

/* ---------- WhatsApp flottant ---------- */
.wa-float {
  position: fixed; right: 20px; bottom: 20px; z-index: 60; width: 58px; height: 58px;
  border-radius: 50%; background: var(--wa); color: #fff; display: grid; place-items: center;
  box-shadow: 0 10px 26px rgba(37,211,102,.45); animation: wa-pulse 2.4s infinite;
}
@keyframes wa-pulse { 0%{box-shadow:0 0 0 0 rgba(37,211,102,.5)} 70%{box-shadow:0 0 0 16px rgba(37,211,102,0)} 100%{box-shadow:0 0 0 0 rgba(37,211,102,0)} }

/* ---------- Page bandeau ---------- */
.page-hero { background: linear-gradient(135deg, var(--navy), var(--navy-2)); color: #fff; padding: 64px 0 48px; text-align: center; }
.page-hero h1 { color: #fff; font-size: clamp(1.8rem, 3.6vw, 2.6rem); }
.page-hero p { color: #c4d4ec; max-width: 600px; margin: 0 auto; }

/* ---------- Animations ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in-view { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero__grid, .quote { grid-template-columns: 1fr; }
  .hero__art { order: -1; }
  .hero__cta { width: 100%; }
  .hero__cta .btn { width: 100%; }
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .packs { grid-template-columns: repeat(2, 1fr); }
  .trust__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  /* Marges latérales confortables sur mobile */
  .container { padding-left: 22px; padding-right: 22px; }
  .section { padding: 60px 0; }
  .nav__toggle { display: block; }
  .nav__menu {
    position: absolute; top: 72px; left: 0; right: 0; background: #fff; flex-direction: column;
    align-items: stretch; gap: 0; padding: 8px 20px 16px; border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow); display: none;
  }
  .nav__menu.is-open { display: flex; }
  .nav__menu a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav__menu .btn { margin-top: 10px; }
  .grid--3, .grid--4, .products-grid, .trust__grid, .footer__grid, .packs { grid-template-columns: 1fr; }
  .cta { padding: 38px 22px; }
  .search input { width: 100%; }
  .products-toolbar { flex-direction: column; align-items: stretch; }

  /* Hero : espacement resserré sur petit écran */
  .hero__grid { padding-top: 56px; padding-bottom: 56px; }
  .hero__badges { gap: 10px; }

  /* Bouton WhatsApp flottant plus discret sur mobile */
  .wa-float { width: 52px; height: 52px; right: 14px; bottom: 14px; }
}