/* =========================================================
   EAVEN — palette sable / sauge (stable) + header fluide
   ========================================================= */

:root{
  --bg:#E6E0D6;    /* beige de base */
  --paper:#EAE3D8; /* beige clair sections */
  --stone:#D6CEC0;
  --surface:#FFFFFF;

  --text:#16202B;
  --muted:#5D6673;

  --sage-900:#274C3E; /* vert foncé */
  --sage-700:#355F4E;
  --sage-500:#527A67;

  --radius:16px; --radius-sm:12px; --radius-lg:22px;
  --shadow:0 8px 22px rgba(22,32,43,.10);
  --shadow-soft:0 4px 14px rgba(22,32,43,.08);

  --dur-slow:22s;
}

/* Base */
*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Manrope',system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}

.container{max-width:1140px;margin-inline:auto;padding:0 24px}
.section{padding:80px 0}
.section--compact{padding:40px 0 28px}
.section--tight{padding:40px 0}
.section--compact + .section--tight{padding-top:22px}
.grid{display:grid;gap:22px}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.kicker{font-weight:800;letter-spacing:.5px;text-transform:uppercase;font-size:.85rem;color:var(--sage-700)}
.lead{color:var(--muted);max-width:70ch}

/* Header (fluide) */
.site-header{position:fixed;top:0;left:0;right:0;height:calc(72px + env(safe-area-inset-top));z-index:60;display:flex;align-items:center;padding:env(safe-area-inset-top) 0 0;background:transparent;backdrop-filter:blur(0);-webkit-backdrop-filter:blur(0);box-shadow:none;transition:background-color .35s ease, box-shadow .35s ease, backdrop-filter .35s ease;pointer-events:auto}
.site-header::before{content:"";position:absolute;inset:0;background:rgba(234,227,216,.85);opacity:0;transition:opacity .35s ease;border-bottom:1px solid rgba(22,32,43,.06);pointer-events:none;z-index:0}
.site-header.is-sticky::before{opacity:1}
.site-header.is-sticky{backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);box-shadow:var(--shadow-soft)}
.site-header .container{position:relative;z-index:1}
.site-header .nav{padding:0 24px;width:100%;margin-inline:auto}
.nav{display:flex;align-items:center;justify-content:space-between;width:100%}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand__logo{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--sage-700);box-shadow:var(--shadow-soft)}
.brand__name{font-weight:800}
.menu{display:flex;gap:22px;align-items:center}
.menu a{font-weight:700;opacity:.9;border-bottom:2px solid transparent}
.menu a:hover,.menu a.active{opacity:1;border-bottom-color:var(--sage-700)}
.nav-toggle{display:none;width:44px;height:38px;border:0;background:transparent;cursor:pointer}
.nav-toggle__bar{display:block;height:2px;margin:7px 6px;background:#0b1f17;border-radius:2px}
.menu-backdrop{position:fixed;inset:0;z-index:40;background:rgba(14,23,19,.32);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity .28s ease}
.menu-backdrop.is-visible{opacity:1;pointer-events:auto}
body.is-menu-open{overflow:hidden;touch-action:none;overscroll-behavior:none}

main{padding-top:calc(72px + env(safe-area-inset-top))}
.hero:first-of-type{margin-top:calc(-72px - env(safe-area-inset-top))}
main > .section:first-of-type:not(.hero){padding-top:56px}

/* HERO */
.bg-gradient{position:relative;overflow:hidden;color:#0b1f17;background:linear-gradient(90deg,var(--sage-900) 0%,var(--sage-700) 28%,var(--sage-500) 48%,#CBBFAE 74%,var(--paper) 100%)}
.bg-gradient::before{content:"";position:absolute;inset:-8% -2%;background:linear-gradient(90deg,var(--sage-900) 0%,var(--sage-700) 28%,var(--sage-500) 48%,#CBBFAE 74%,var(--paper) 100%);background-size:220% 100%;background-position:22% 50%;animation:gradSlideX var(--dur-slow) ease-in-out infinite alternate;opacity:.95;z-index:1}
@keyframes gradSlideX{0%{background-position:0% 50%}100%{background-position:100% 50%}}

.hero{--hero-img:url('https://images.unsplash.com/photo-1501785888041-af3ef285b470?q=80&w=2000&auto=format&fit=crop');position:relative;padding:96px 0 clamp(72px,12vw,140px)}
.hero::after{content:"";position:absolute;inset:0;z-index:0;background-image:var(--hero-img);background-size:cover;background-position:center 40%;filter:saturate(.78) contrast(.9) brightness(.92);mix-blend-mode:multiply;opacity:.38}
.hero > *{position:relative;z-index:2}

.hero__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center;grid-template-areas:"copy panel"}
.hero__copy{grid-area:copy;position:relative}
.hero__copy::before{content:"";position:absolute;inset:-16px -18px -16px -22px;z-index:-1;background:linear-gradient(90deg, rgba(12,18,15,.55) 0%, rgba(12,18,15,.28) 55%, rgba(12,18,15,0) 100%);border-radius:var(--radius-lg)}
.hero h1{margin:.35rem 0 .7rem;line-height:1.12;color:#fff;text-shadow:0 1px 1px rgba(0,0,0,.25)}
.hero .lead{color:#F2F7F5}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap}

.btn{display:inline-block;font-weight:800;padding:.9rem 1.2rem;border-radius:999px;transition:transform .2s, background .2s, color .2s, box-shadow .2s, border-color .2s;line-height:1;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn--white{background:#fff;color:var(--sage-700);box-shadow:0 6px 16px rgba(0,0,0,.10);border:2px solid rgba(255,255,255,.85)}
.btn--ghost{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.85);box-shadow:0 6px 16px rgba(0,0,0,.08)}
.btn--outline{background:transparent;color:var(--sage-700);border:2px solid var(--sage-700)}

.panel{grid-area:panel;padding:16px 18px;background:rgba(255,255,255,.95);backdrop-filter:blur(4px);border-radius:var(--radius);box-shadow:var(--shadow)}
.panel__row{display:flex;gap:10px;align-items:baseline;padding:12px 0}
.panel__row+.panel__row{border-top:1px solid color-mix(in oklab, var(--stone) 70%, transparent)}
.panel__num{font-weight:800}
.panel__lbl{color:var(--text)}

.hero__wave{position:absolute;left:0;right:0;bottom:0;height:clamp(92px,12vw,150px);z-index:3;pointer-events:none}
.hero__wave svg{width:100%;height:100%}
.hero__wave .wave-fill{fill:var(--paper)}

/* Image cards */
.imgcard{position:relative;overflow:hidden;border-radius:14px;border:1px solid var(--stone);box-shadow:var(--shadow);isolation:isolate;background:#000}
.imgcard::after{content:"";position:absolute;inset:0;background:rgba(18,26,22,.20);pointer-events:none;z-index:0}
.imgcard__media{width:100%;aspect-ratio:16/10;object-fit:cover;filter:saturate(.55) contrast(.90) brightness(.74) sepia(.06);transform:scale(1);transition:transform .6s ease, filter .3s ease;z-index:-1}
.imgcard__overlay{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;background:linear-gradient(180deg, rgba(18,26,22,0) 42%, rgba(18,26,22,.72) 100%);padding:18px;color:#fff;z-index:1}
.imgcard__title{margin:0 0 6px 0;font-weight:800;font-size:1.08rem;line-height:1.2}
.imgcard__desc{margin:0;color:#E9ECEA}
.imgcard__badge{position:absolute;top:12px;left:12px;background:rgba(245,244,241,.92);color:#1b2a22;border-radius:10px;border:1px solid rgba(27,42,34,.20);font-weight:700;font-size:.80rem;letter-spacing:.4px;text-transform:uppercase;padding:5px 10px;line-height:1;backdrop-filter:blur(2px);box-shadow:0 2px 6px rgba(0,0,0,.06)}
.imgcard:hover .imgcard__media{transform:scale(1.05);filter:saturate(.58) contrast(.92) brightness(.76) sepia(.06)}
.imgcard:hover::after{background:rgba(18,26,22,.18)}

.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:10px}
.section__head + .grid{margin-top:24px}

/* CTA */
.cta{border-radius:var(--radius-lg);padding:24px;display:flex;justify-content:space-between;align-items:center;gap:16px;background:linear-gradient(90deg,#DCCFBF 0%, #EAE3D8 100%);box-shadow:var(--shadow)}

/* Offer cards */
.offer-grid{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));margin-top:18px;justify-content:center}
.offer-card{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:16px;
  padding:28px clamp(20px,4vw,32px);
  background:linear-gradient(180deg,rgba(255,255,255,.95) 0%,rgba(235,228,215,.92) 100%);
  border-radius:22px;
  border:1px solid color-mix(in oklab, var(--stone) 60%, transparent);
  box-shadow:0 20px 34px rgba(22,32,43,.14);
  transition:transform .35s ease, box-shadow .35s ease;
  overflow:hidden;
}
.offer-card::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:6px;
  background:linear-gradient(90deg,var(--sage-900) 0%,var(--sage-700) 45%,var(--sage-500) 100%);
  opacity:.85;
}
.offer-card__tag{
  font-size:.78rem;
  font-weight:800;
  letter-spacing:.35px;
  text-transform:uppercase;
  color:var(--sage-900);
  background:rgba(39,76,62,.12);
  border:1px solid rgba(39,76,62,.14);
  padding:6px 12px;
  border-radius:999px;
  align-self:flex-start;
}
.offer-card__title{margin:0;font-size:1.22rem;line-height:1.3}
.offer-card__desc{margin:0;color:var(--muted);line-height:1.55}
.offer-card__list{
  margin:0;
  padding-left:20px;
  color:var(--text);
  display:flex;
  flex-direction:column;
  gap:6px;
}
.offer-card__list li{font-size:.98rem}
.offer-card__list li::marker{color:var(--sage-700);font-weight:600}
.offer-card:hover{transform:translateY(-6px);box-shadow:0 28px 40px rgba(22,32,43,.18)}


/* Form */
.form{display:grid;gap:12px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form__field{display:block;background:#fff;border:1px solid var(--stone);padding:12px 14px;border-radius:12px}
.form__field>span{display:block;font-size:.9rem;color:var(--muted)}
.form__field input,.form__field textarea{all:unset;display:block;margin-top:6px;width:100%;color:var(--text)}
.form__consent{display:flex;gap:8px;align-items:center;color:var(--muted)}

/* Footer */
.site-footer{background:#1B241F;color:#E9ECEA;padding-bottom:env(safe-area-inset-bottom)}
.foot{display:grid;grid-template-columns:2fr 1fr;gap:24px;padding:28px 24px}
.sub{text-align:center;padding:14px 24px;border-top:1px solid rgba(255,255,255,.12);opacity:.9}

/* Reveal */
.reveal{opacity:0;transform:translateY(22px);transition:all .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* Responsive */
@media (max-width:1020px){
  .nav-toggle{display:block}
  .menu{
    position:fixed;
    top:calc(72px + env(safe-area-inset-top) + 12px);
    right:calc(18px + env(safe-area-inset-right));
    left:calc(18px + env(safe-area-inset-left));
    background:linear-gradient(90deg,var(--sage-900) 0%, var(--sage-700) 55%, var(--sage-500) 100%);
    display:grid;
    gap:16px;
    padding:20px 22px calc(20px + env(safe-area-inset-bottom));
    border-radius:18px;
    box-shadow:0 20px 36px rgba(16,24,21,.26);
    transform:translateY(-24px) scale(.94);
    transform-origin:top right;
    opacity:0;
    pointer-events:none;
    transition:transform .28s ease,opacity .28s ease;
    z-index:50;
    max-height:calc(100vh - (72px + env(safe-area-inset-top) + 48px));
    overflow-y:auto;
    -webkit-overflow-scrolling:touch;
  }
  .menu a{color:#fff;font-size:1.08rem;border-bottom:0}
  .menu.menu--open{transform:translateY(0) scale(1);opacity:1;pointer-events:auto}
  .hero{padding-top:120px}
}

@media (max-width:720px){
  .container{padding-left:max(22px,calc(20px + env(safe-area-inset-left)));padding-right:max(22px,calc(20px + env(safe-area-inset-right)))}
  .hero .container{padding-left:max(26px,calc(22px + env(safe-area-inset-left)));padding-right:max(26px,calc(22px + env(safe-area-inset-right)))}
  .hero{padding:calc(84px + env(safe-area-inset-top)) 0 96px}
  .bg-gradient::before{opacity:.98}
  .hero::after{opacity:.34}
  .hero__grid{grid-template-columns:1fr;grid-template-areas:"copy" "panel";gap:18px}
  .hero__copy{max-width:36ch}
  .hero .lead{font-size:.98rem;max-width:38ch}
  .kicker{font-size:.78rem;letter-spacing:.45px;margin-bottom:.25rem}
  .hero h1{font-size:clamp(1.95rem, 5.8vw, 2.45rem);line-height:1.12;margin:.2rem 0 .55rem}
  .hero__cta{gap:10px;margin-top:6px}
  .btn{width:100%;justify-content:center}
  .panel{width:100%;border-radius:18px;box-shadow:0 18px 32px rgba(22,32,43,.18);padding:14px 16px;background:rgba(255,255,255,.96)}
  .hero__wave{height:110px}
}

@media (min-width:1024px){
  #professionnels .offer-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  #professionnels .offer-card:nth-child(4){grid-column:2}
}

/* A11y */
@media (prefers-reduced-motion:reduce){
  .bg-gradient::before{animation:none}
  .reveal{transition:none}
}