:root{
  --bg:#000;
  --text:rgba(255,255,255,.92);
  --muted:rgba(255,255,255,.60);
  --muted2:rgba(255,255,255,.44);
  --line:rgba(255,255,255,.10);
  --glass:rgba(255,255,255,.06);
  --white:#fff;
  --black:#0b0f14;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
html{
  scroll-behavior:smooth;
}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
}
html, body{
  width:100%;
  overflow-x:hidden;
}

.mono{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  letter-spacing:.02em;
}

/* ====== Helpers cohérents ====== */
.section-badge{
  display:inline-block;
  margin-bottom:16px;
  padding:8px 18px;
  border-radius:999px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.16);
  color: rgba(255,255,255,.92);
  font-weight: 800;
  letter-spacing: .10em;
  font-size: 13px;
}
.section-title{
  margin:0 0 14px;
  font-size: 52px;
  font-weight: 900;
  color: rgba(255,255,255,.96);
  letter-spacing: -0.02em;
  line-height: 1.1;
  text-shadow: 0 12px 40px rgba(0,0,0,.55);
}
.section-sub{
  margin:0;
  color: rgba(255,255,255,.60);
  font-size: 16px;
  line-height: 1.6;
}

/* ====== Buttons ====== */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  border-radius:12px;
  padding:12px 18px;
  font-weight:800;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
  white-space:nowrap;
  transition: transform .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.btn__icon{ width:18px; height:18px; display:grid; place-items:center; }
.btn__icon svg{ width:18px; height:18px; }

.btn--white{
  background:var(--white);
  color:var(--black);
  border-color:rgba(255,255,255,.22);
}
.btn--white:hover{ transform: translateY(-1px); }

.btn--big{
  padding:14px 22px;
  border-radius:12px;
}

.btn--outline{
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.92);
  border: 1px solid rgba(255,255,255,.35);
  box-shadow:
    0 0 0 1px rgba(255,255,255,.08),
    0 14px 40px rgba(0,0,0,.55);
  backdrop-filter: blur(6px);
  font-weight: 800;
}
.btn--outline:hover{
  background: rgba(255,255,255,.14);
  border-color: rgba(255,255,255,.55);
  box-shadow:
    0 0 0 1px rgba(255,255,255,.18),
    0 18px 50px rgba(0,0,0,.65);
  transform: translateY(-1px);
}

/* ================= HEADER ================= */
.header{
  position:sticky;
  top:0;
  z-index:50;
  height:86px;
  background: linear-gradient(180deg, rgba(0,0,0,.92), rgba(0,0,0,.70));
  backdrop-filter: blur(10px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.header__inner{
  height:100%;
  max-width:1440px;
  margin:0 auto;
  padding:0 26px;
  display:flex;
  align-items:center;
  gap:18px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  color:var(--text);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);
  border-radius:10px;
  padding:12px 14px;
  box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.brand__box{ width:22px; height:22px; display:grid; place-items:center; }
.brand__box svg{ width:22px; height:22px; }
.brand__name{ font-weight:900; letter-spacing:.08em; font-size:16px; line-height:1; }

.nav{
  flex:1;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:34px;
}
.nav__link{
  text-decoration:none;
  color:rgba(255,255,255,.52);
  font-size:15px;
  padding:10px 4px;
  transition:color .18s ease;
}
.nav__link:hover{ color:rgba(255,255,255,.86); }
.nav__link.is-active{ color:rgba(255,255,255,.62); }

/* ================= HERO ================= */
.hero{
  position:relative;
  min-height: calc(100vh - 86px);
  overflow:hidden;
}
.hero__inner{
  max-width:1440px;
  margin:0 auto;
  padding: 34px 26px 40px;
  position:relative;
  z-index:2;
}
.hero__bg{
  position:absolute; inset:0;
  background:
    radial-gradient(900px 520px at 18% 40%, rgba(0,0,0,.0), rgba(0,0,0,.55) 65%, rgba(0,0,0,.86) 100%),
    url("../img/hero-trading.png") center/cover no-repeat;
  filter: contrast(1.02) saturate(0.95);
  z-index:0;
}
.hero__veil{
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(0,0,0,.40), rgba(0,0,0,.72));
  z-index:1;
}
.hero__grid{
  position:absolute; inset:0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 90px 90px;
  opacity:.18;
  z-index:1;
  pointer-events:none;
}

/* badge hero */
.badge{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:10px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 18px 50px rgba(0,0,0,.45);
  font-weight:800;
  letter-spacing:.08em;
  font-size:14px;
}
.badge__dot{
  width:10px; height:10px;
  border-radius:50%;
  background:#fff;
  opacity:.85;
}

.hero__layout{
  margin-top: 28px;
  display:grid;
  grid-template-columns: minmax(520px, 1.15fr) minmax(420px, .85fr);
  gap: 40px;
  align-items:start;
}
.hero__title{
  margin: 6px 0 18px;
  font-size: 64px;
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.t-strong{ color: rgba(255,255,255,.92); font-weight:900; }
.t-dim{ color: rgba(255,255,255,.44); font-weight:900; }

.hero__subtitle{
  margin:0 0 26px;
  color: rgba(255,255,255,.52);
  font-size: 22px;
  line-height: 1.5;
}
.hero__actions{
  display:flex;
  gap:18px;
  align-items:center;
  margin: 6px 0 42px;
}

.stats{
  display:flex;
  gap: 120px;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,.06);
  margin-top: 26px;
}
.stat__value{
  font-size: 54px;
  font-weight: 900;
  color: rgba(255,255,255,.92);
  letter-spacing:.02em;
}
.stat__label{
  margin-top: 6px;
  color: rgba(255,255,255,.55);
  font-size: 16px;
}

/* cards droite hero */
.hero__right{ position:relative; min-height: 560px; }
.card{
  width: 420px;
  background: rgba(0,0,0,.55);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 18px;
  padding: 22px 22px 18px;
  box-shadow: 0 24px 70px rgba(0,0,0,.55);
  backdrop-filter: blur(8px);
  max-width: min(420px, 100%);
}
.card__head{ display:flex; align-items:center; gap:14px; margin-bottom: 14px; }
.avatar{
  width: 44px; height: 44px;
  border-radius: 50%;
  display:grid; place-items:center;
  background: rgba(255,255,255,.18);
  color: rgba(255,255,255,.88);
  font-weight:900;
}
.card__name{ font-weight:900; font-size: 20px; color: rgba(255,255,255,.92); }
.card__loc{ margin-top: 2px; font-size: 14px; color: rgba(255,255,255,.55); }
.card__text{ margin: 0 0 22px; color: rgba(255,255,255,.52); line-height: 1.5; font-size: 16px; }
.card__gain{ font-weight: 900; font-size: 24px; color: rgba(255,255,255,.92); }

.card--a{ position:absolute; top: 10px; left: clamp(0px, 6vw, 70px); }
.card--b{ position:absolute; top: 260px; left: clamp(0px, 10vw, 170px); }

/* ================= SECTION BACKGROUNDS (cohérent) ================= */
.services, .why, .advantages, .testimonials, .results, .faq, .cta-final{
  position:relative;
  overflow:hidden;
}
.services::before,
.why::before,
.advantages::before,
.testimonials::before,
.results::before,
.faq::before,
.cta-final::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(900px 520px at 50% 12%, rgba(255,255,255,.06), transparent 62%),
    linear-gradient(180deg, rgba(0,0,0,.45), rgba(0,0,0,.90));
  z-index:0;
}
.services > *,
.why > *,
.advantages > *,
.testimonials > *,
.results > *,
.faq > *,
.cta-final > *{
  position:relative;
  z-index:1;
}

/* ================= SERVICES ================= */
.services{ padding: 120px 26px 130px; text-align:center; }
.services-header{ max-width:1100px; margin: 0 auto 70px; }
.services-badge{ /* reuse badge style */
  display:inline-block; margin-bottom:16px; padding:8px 18px; border-radius:999px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.16);
  color: rgba(255,255,255,.92); font-weight:800; letter-spacing: .10em; font-size:13px;
}
.services-header h2{ font-size:46px; font-weight:900; color: rgba(255,255,255,.96); margin:0 0 14px; }
.services-header p{ margin:0; color: rgba(255,255,255,.60); font-size:18px; line-height:1.6; }

.services-grid{
  max-width:1440px;
  margin:0 auto;
  display:grid;
  grid-template-columns: repeat(3,1fr);
  gap: 26px;
}
.service-card{
  background: rgba(0,0,0,.38);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 18px;
  padding: 34px 30px;
  box-shadow: 0 24px 70px rgba(0,0,0,.45);
  backdrop-filter: blur(10px);
  transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
  text-align:left;
}
.service-card:hover{
  border-color: rgba(255,255,255,.92);
  box-shadow: 0 0 0 1px rgba(255,255,255,.16), 0 32px 90px rgba(0,0,0,.65);
  transform: translateY(-2px);
}
.service-icon{
  width:44px; height:44px; border-radius:12px;
  display:grid; place-items:center;
  background: rgba(255,255,255,.12);
  margin-bottom:22px;
  font-size:20px;
}
.service-card h3{ margin:0 0 12px; font-size:20px; font-weight:900; color: rgba(255,255,255,.95); }
.service-card p{ margin:0; font-size:15px; line-height:1.6; color: rgba(255,255,255,.62); }

/* ================= WHY ================= */
.why{ padding: 115px 26px 140px; text-align:center; }
.why__header{ max-width:1100px; margin:0 auto 70px; }
.why__badge{ display:inline-block; margin-bottom:16px; padding:8px 18px; border-radius:999px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.16);
  color: rgba(255,255,255,.92); font-weight:800; letter-spacing:.10em; font-size:13px;
}
.why__header h2{ margin:0; font-size:52px; font-weight:900; color: rgba(255,255,255,.96); line-height:1.12; }

.why__grid{
  max-width:1100px; margin:0 auto;
  display:grid; grid-template-columns: 1fr 1fr;
  gap: 26px; text-align:left;
}
.why-card{
  background: rgba(0,0,0,.40);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 18px;
  padding: 30px 30px 26px;
  box-shadow: 0 24px 70px rgba(0,0,0,.45);
  backdrop-filter: blur(10px);
  transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}
.why-card:hover{
  border-color: rgba(255,255,255,.92);
  box-shadow: 0 0 0 1px rgba(255,255,255,.16), 0 32px 90px rgba(0,0,0,.65);
  transform: translateY(-2px);
}
.why-card__title{ margin:0 0 18px; font-size:16px; font-weight:900; color: rgba(255,255,255,.95); }
.why-card__title.muted{ color: rgba(255,255,255,.60); }

.why-list{ list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:14px; }
.why-item{ display:flex; align-items:center; gap:12px; color: rgba(255,255,255,.72); font-size:15px; }
.why-ico{
  width:22px; height:22px; border-radius:999px;
  display:grid; place-items:center;
  font-weight:900; font-size:13px;
  flex: 0 0 22px;
}
.why-ico--bad{ background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); color: rgba(255,255,255,.70); }
.why-ico--good{ background: rgba(255,255,255,.92); color: rgba(0,0,0,.85); }
.why-card--good .why-item{ color: rgba(255,255,255,.88); }

/* ================= AVANTAGES ================= */
.advantages{ padding: 130px 26px; }
.advantages__inner{
  max-width:1440px; margin:0 auto;
  display:grid; grid-template-columns: 1fr 1fr;
  gap:80px; align-items:center;
}
.advantages__image{
  position:relative; border-radius:22px; overflow:hidden;
  box-shadow: 0 30px 90px rgba(0,0,0,.75);
}
.advantages__image img{
  width:100%; display:block;
  filter: grayscale(100%) contrast(1.05);
}
.advantages__image::after{
  content:""; position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(0,0,0,.25), rgba(0,0,0,.65));
}
.advantages__content{ max-width:520px; }
.advantages__badge{
  display:inline-block; margin-bottom:18px; padding:8px 18px; border-radius:999px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.16);
  color: rgba(255,255,255,.92); font-weight:800; letter-spacing:.10em; font-size:13px;
}
.advantages__content h2{
  margin:0 0 26px; font-size:44px; font-weight:900; color: rgba(255,255,255,.96);
  letter-spacing:-0.02em;
}
.advantages__list{ list-style:none; padding:0; margin:0 0 38px; display:flex; flex-direction:column; gap:16px; }
.advantages__list li{ display:flex; align-items:center; gap:14px; font-size:16px; color: rgba(255,255,255,.82); }
.check{
  width:22px; height:22px; border-radius:999px;
  background: rgba(255,255,255,.95); color: rgba(0,0,0,.9);
  display:grid; place-items:center;
  font-weight:900; font-size:13px; flex: 0 0 22px;
}
.advantages__cta{ box-shadow: 0 18px 60px rgba(0,0,0,.65); }

/* ================= TÉMOIGNAGES ================= */
.testimonials{ padding: 120px 26px 140px; text-align:center; }
.testimonials__header{ max-width:1100px; margin:0 auto 60px; }
.testimonials__badge{
  display:inline-block; margin-bottom:16px; padding:8px 18px; border-radius:999px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.16);
  color: rgba(255,255,255,.92); font-weight:800; letter-spacing:.10em; font-size:13px;
}
.testimonials__header h2{ margin:0; font-size:52px; font-weight:900; color: rgba(255,255,255,.96); letter-spacing:-0.02em; }

.testimonials__grid{
  max-width:1440px; margin:0 auto;
  display:grid; grid-template-columns: repeat(4,1fr);
  gap:22px;
}
.tcard{
  background: rgba(0,0,0,.40);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 18px;
  padding: 22px 22px 18px;
  box-shadow: 0 24px 70px rgba(0,0,0,.45);
  backdrop-filter: blur(10px);
  transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
  text-align:left;
  min-height:290px;
}
.tcard:hover{
  border-color: rgba(255,255,255,.92);
  box-shadow: 0 0 0 1px rgba(255,255,255,.16), 0 32px 90px rgba(0,0,0,.65);
  transform: translateY(-2px);
}
.tcard__who{ display:flex; align-items:center; gap:12px; }
.tavatar{
  width:44px; height:44px; border-radius:999px;
  display:grid; place-items:center;
  background: rgba(255,255,255,.14);
  color: rgba(255,255,255,.92);
  font-weight:900; font-size:15px;
}
.tname{ font-weight:900; font-size:16px; color: rgba(255,255,255,.95); line-height:1.1; }
.tloc{ margin-top:4px; font-size:12px; color: rgba(255,255,255,.55); }
.trow{ display:flex; justify-content:space-between; gap:10px; padding:6px 0; }
.tlabel{ color: rgba(255,255,255,.55); font-size:13px; }
.tvalue{ color: rgba(255,255,255,.92); font-weight:900; font-size:13px; }
.tdivider{ height:1px; background: rgba(255,255,255,.10); margin:18px 0 16px; }
.tcard__bottom{ display:flex; align-items:flex-end; justify-content:space-between; gap:14px; }
.tamount{ margin-top:8px; font-size:26px; font-weight:900; color: rgba(255,255,255,.96); }
.tgain{ font-weight:900; font-size:16px; color: rgba(255,255,255,.96); }

/* ================= RÉSULTATS ================= */
.results{ padding: 120px 26px 140px; text-align:center; }
.results__header{ max-width:1100px; margin:0 auto 40px; }
.results__badge{
  display:inline-block; margin-bottom:16px; padding:8px 18px; border-radius:999px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.16);
  color: rgba(255,255,255,.92); font-weight:800; letter-spacing:.10em; font-size:13px;
}
.results__header h2{ margin:0 0 14px; font-size:52px; font-weight:900; color: rgba(255,255,255,.96); }
.results__header p{ margin:0; color: rgba(255,255,255,.60); font-size:16px; }

.results__media{
  max-width:760px;
  margin:48px auto 70px;
  border-radius:18px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.12);
  box-shadow: 0 30px 90px rgba(0,0,0,.75);
  position:relative;
}
.results__media img{ width:100%; display:block; filter: grayscale(100%) contrast(1.05); }
.results__media::after{
  content:""; position:absolute; inset:0;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.06);
  background: radial-gradient(500px 240px at 50% 40%, rgba(0,0,0,.0), rgba(0,0,0,.55) 70%, rgba(0,0,0,.75) 100%);
  pointer-events:none;
}
.results__stats{
  max-width:1100px; margin:0 auto;
  display:grid; grid-template-columns: repeat(4,1fr);
  gap:22px;
  align-items:end;
}
.rstat__value{
  font-size:34px; font-weight:900;
  color: rgba(255,255,255,.96);
  letter-spacing:-0.02em;
  text-shadow: 0 10px 30px rgba(0,0,0,.55);
}
.rstat__label{
  margin-top:10px;
  font-size:12px;
  color: rgba(255,255,255,.55);
}

/* ================= FAQ ================= */
.faq{ padding: 120px 26px 140px; text-align:center; }
.faq__header{ max-width:1100px; margin:0 auto 50px; }
.faq__badge{
  display:inline-block; margin-bottom:16px; padding:8px 18px; border-radius:999px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.16);
  color: rgba(255,255,255,.92); font-weight:800; letter-spacing:.10em; font-size:13px;
}
.faq__header h2{ margin:0; font-size:52px; font-weight:900; color: rgba(255,255,255,.96); }

.faq__list{
  max-width:760px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:16px;
  text-align:left;
}
.faq-item{
  background: rgba(0,0,0,.40);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 12px;
  overflow:hidden;
  box-shadow: 0 24px 70px rgba(0,0,0,.45);
  backdrop-filter: blur(10px);
  transition: border-color .25s ease;
}
.faq-item:hover{ border-color: rgba(255,255,255,.60); }

.faq-q{
  list-style:none;
  cursor:pointer;
  padding: 20px 22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-weight:900;
  color: rgba(255,255,255,.92);
  font-size:14px;
}
.faq-q::-webkit-details-marker{ display:none; }
.faq-q::marker{ content:""; }

.faq-chevron{
  width:18px; height:18px;
  flex:0 0 18px;
  position:relative;
  opacity:.9;
}
.faq-chevron::before,
.faq-chevron::after{
  content:"";
  position:absolute;
  top:50%;
  width:10px;
  height:2px;
  background: rgba(255,255,255,.70);
  border-radius:2px;
  transform-origin:center;
}
.faq-chevron::before{ left:3px; transform: translateY(-50%) rotate(45deg); }
.faq-chevron::after{ right:3px; transform: translateY(-50%) rotate(-45deg); }

.faq-a{
  padding: 0 22px 18px;
  color: rgba(255,255,255,.60);
  font-size:13px;
  line-height:1.6;
}
.faq-item[open]{ border-color: rgba(255,255,255,.28); }
.faq-item[open] .faq-chevron::before{ transform: translateY(-50%) rotate(-45deg); }
.faq-item[open] .faq-chevron::after{ transform: translateY(-50%) rotate(45deg); }

/* ================= CTA FINAL ================= */
.cta-final{
  padding: 140px 26px 160px;
  text-align:center;
}
.cta-final__inner{ max-width:980px; margin:0 auto; }
.cta-final__icon{
  width:54px; height:54px; margin:0 auto 26px;
  display:grid; place-items:center;
  color: rgba(255,255,255,.82);
  opacity:.9;
}
.cta-final__icon svg{ width:54px; height:54px; }
.cta-final h2{
  margin:0 0 18px;
  font-size:52px;
  font-weight:900;
  color: rgba(255,255,255,.96);
  letter-spacing:-0.02em;
  line-height:1.1;
}
.cta-final p{
  margin:0 0 34px;
  font-size:15px;
  color: rgba(255,255,255,.60);
  line-height:1.7;
}
.cta-final__btn{ box-shadow: 0 20px 70px rgba(0,0,0,.70); }

/* ================= FOOTER ================= */
.footer{
  border-top:1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.88);
}
.footer__inner{
  max-width:1440px;
  margin:0 auto;
  padding:22px 26px;
  display:grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items:center;
  gap:16px;
}
.footer__brand{ display:flex; align-items:center; gap:12px; }
.footer__logo{
  width:34px; height:34px;
  display:grid; place-items:center;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius:8px;
  color: rgba(255,255,255,.92);
}
.footer__logo svg{ width:18px; height:18px; }
.footer__name{ font-weight:900; letter-spacing:.08em; color: rgba(255,255,255,.90); font-size:14px; }
.footer__copy{ text-align:center; font-size:12px; color: rgba(255,255,255,.50); }
.footer__links{ display:flex; justify-content:flex-end; gap:18px; }
.footer__link{ text-decoration:none; font-size:12px; color: rgba(255,255,255,.65); transition: color .18s ease; }
.footer__link:hover{ color: rgba(255,255,255,.92); }

/* ================= RESPONSIVE ================= */
@media (max-width: 1200px){
  .hero__layout{ grid-template-columns: 1fr; }
  .hero__right{ min-height: 520px; }
  .card--a,.card--b{ position:relative; top:auto; left:auto; width:auto; margin-top:16px; }
  .stats{ gap:48px; flex-wrap:wrap; }
  .hero__title{ font-size:52px; }
  .services-grid{ grid-template-columns: 1fr; }
  .testimonials__grid{ grid-template-columns: repeat(2,1fr); }
  .results__stats{ grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 900px){
  .nav{ display:none; }
  .hero__title{ font-size:44px; }
  .hero__subtitle{ font-size:18px; }
  .hero__actions{ flex-direction:column; align-items:flex-start; }
  .stats{ gap:28px; }
  .stat__value{ font-size:42px; }
  .why__grid{ grid-template-columns: 1fr; }
  .advantages__inner{ grid-template-columns: 1fr; gap:60px; }
  .footer__inner{ grid-template-columns: 1fr; text-align:center; }
  .footer__brand{ justify-content:center; }
  .footer__links{ justify-content:center; }
}

@media (max-width: 650px){
  .testimonials__grid{ grid-template-columns: 1fr; }
  .results__stats{ grid-template-columns: 1fr; }
  .section-title, .why__header h2, .faq__header h2, .results__header h2, .testimonials__header h2, .cta-final h2{ font-size:36px; }
}


/* ================= POPUP + FLOATING BUTTONS ================= */

.float-actions{
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Boutons flottants */
.fab{
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(0,0,0,.55);
  color: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  box-shadow: 0 18px 60px rgba(0,0,0,.65);
  border-radius: 14px;
  padding: 12px 14px;
  font-weight: 900;
  cursor: pointer;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}

.fab:hover{
  transform: translateY(-1px);
  border-color: rgba(255,255,255,.55);
  background: rgba(255,255,255,.08);
}

/* Scroll to top (petit) */
.fab--top{
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  font-size: 18px;
  opacity: 0;
  pointer-events: none;
}
.fab--top.is-visible{
  opacity: 1;
  pointer-events: auto;
}

/* Bouton action plus visible */
.fab--cta{
  padding: 12px 16px;
  border-color: rgba(255,255,255,.35);
  background: rgba(255,255,255,.10);
  position: relative;
}

/* Petit effet “attention” */
.fab--cta::after{
  content:"";
  position:absolute;
  inset:-6px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.18);
  opacity: .9;
  pointer-events:none;
  animation: pulseRing 1.8s ease-in-out infinite;
}

@keyframes pulseRing{
  0%{ transform: scale(1); opacity:.35; }
  60%{ transform: scale(1.06); opacity:.15; }
  100%{ transform: scale(1.00); opacity:.35; }
}

/* ===== Modal ===== */
.modal{
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
}
.modal.is-open{
  display: block;
}

.modal__overlay{
  position:absolute;
  inset:0;
  background: rgba(0,0,0,.70);
  backdrop-filter: blur(6px);
}

.modal__panel{
  position: relative;
  max-width: 520px;
  margin: 10vh auto;
  background: rgba(0,0,0,.70);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 18px;
  padding: 26px 22px 22px;
  box-shadow: 0 30px 100px rgba(0,0,0,.80);
  backdrop-filter: blur(12px);
  text-align: center;
}

.modal__close{
  position:absolute;
  top: 10px;
  right: 10px;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.85);
  cursor: pointer;
}

.modal__icon{
  width: 48px;
  height: 48px;
  margin: 8px auto 14px;
  color: rgba(255,255,255,.88);
}
.modal__icon svg{ width: 48px; height: 48px; }

.modal__title{
  margin: 0 0 10px;
  font-size: 26px;
  font-weight: 900;
  color: rgba(255,255,255,.96);
}

.modal__text{
  margin: 0 0 18px;
  color: rgba(255,255,255,.62);
  line-height: 1.7;
  font-size: 14px;
}

.modal__btn{
  width: 100%;
  justify-content: center;
  box-shadow: 0 20px 70px rgba(0,0,0,.70);
}

.modal__hint{
  margin: 14px 0 0;
  color: rgba(255,255,255,.45);
  font-size: 12px;
}

/* Responsive */
@media (max-width: 640px){
  .modal__panel{ margin: 12vh 14px; }
  .fab--cta{ font-size: 14px; }
}