/* =========================================================
   RENOGREEN — Feuille de style principale
   Palette : petrole/teal (confiance, technique) + cuivre (chaleur)
   Display : Space Grotesk / Texte : Inter
   ========================================================= */

:root{
  --ink:        #16241A;
  --teal-900:   #0A3D24;
  --teal-800:   #0F6B3A;
  --teal-600:   #2E8C4A;
  --teal-400:   #6FAF6E;
  --copper-600: #2E5E14;
  --copper-500: #438020;
  --copper-300: #7EBB3C;
  --bg:         #FAFAF6;
  --bg-alt:     #EEF5E9;
  --bg-deep:    #0A3D24;
  --white:      #FFFFFF;
  --line:       rgba(10,61,36,.14);
  --line-soft:  rgba(10,61,36,.08);
  --shadow:     0 12px 32px rgba(10,61,36,.10);
  --shadow-lg:  0 24px 60px rgba(10,61,36,.16);

  --font-display: 'Space Grotesk', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius: 14px;
  --radius-sm: 8px;
  --container: 1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  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; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{
  font-family:var(--font-display);
  color:var(--teal-900);
  line-height:1.12;
  margin:0 0 .5em;
  letter-spacing:-.01em;
}
h1{ font-size:clamp(2.2rem,4.4vw,3.4rem); }
h2{ font-size:clamp(1.7rem,3vw,2.4rem); }
h3{ font-size:1.25rem; }
p{ margin:0 0 1em; }
.lead{ font-size:1.15rem; color:#3A4A47; }
.container{ width:100%; max-width:var(--container); margin:0 auto; padding:0 24px; }
section{ padding:88px 0; }
section.tight{ padding:56px 0; }
.bg-alt{ background:var(--bg-alt); }
.bg-deep{ background:var(--teal-900); color:#E7F0EE; }
.bg-deep h2,.bg-deep h3{ color:var(--white); }

:focus-visible{ outline:3px solid var(--copper-500); outline-offset:3px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

/* ---------- Eyebrow / labels ---------- */
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-display);
  font-size:.78rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--copper-600); font-weight:600; margin-bottom:14px;
}
.eyebrow::before{ content:""; width:18px; height:2px; background:var(--copper-500); display:inline-block; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:var(--font-display); font-weight:600; font-size:.98rem;
  padding:14px 26px; border-radius:999px; border:2px solid transparent;
  cursor:pointer; transition:transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  white-space:nowrap;
}
.btn-primary{ background:var(--copper-500); color:var(--white); box-shadow:0 10px 24px rgba(67,128,32,.32); }
.btn-primary:hover{ background:var(--copper-600); transform:translateY(-2px); }
.btn-ghost{ background:transparent; border-color:rgba(255,255,255,.5); color:inherit; }
.btn-ghost:hover{ border-color:var(--copper-500); color:var(--copper-300); }
.btn-outline{ background:transparent; border-color:var(--teal-800); color:var(--teal-800); }
.btn-outline:hover{ background:var(--teal-800); color:var(--white); }
.btn-block{ width:100%; }

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(251,250,248,.92); backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line-soft);
}
.nav-row{ display:flex; align-items:center; justify-content:space-between; gap:18px; padding:14px 24px; max-width:var(--container); margin:0 auto; flex-wrap:nowrap; }
.brand{ display:flex; align-items:center; gap:10px; font-family:var(--font-display); font-weight:700; font-size:1.2rem; color:var(--teal-900); flex:none; white-space:nowrap; line-height:1; }
.brand-mark{ width:38px; height:38px; object-fit:contain; flex:none; display:block; }
.footer-brand img{ height:64px; width:auto; }
.nav-links{ display:flex; align-items:center; gap:20px; flex-wrap:nowrap; min-width:0; }
.nav-links a{ font-size:.88rem; font-weight:500; color:var(--ink); position:relative; padding:4px 0; white-space:nowrap; }
.nav-links a::after{ content:""; position:absolute; left:0; right:0; bottom:-4px; height:2px; background:var(--copper-500); transform:scaleX(0); transition:transform .2s ease; }
.nav-links a:hover::after, .nav-links a.active::after{ transform:scaleX(1); }
.nav-links a.active{ color:var(--copper-600); }
.nav-cta{ display:flex; align-items:center; gap:18px; flex:none; white-space:nowrap; }
.nav-phone{ display:flex; align-items:center; gap:8px; font-weight:600; font-size:.92rem; color:var(--teal-800); white-space:nowrap; }
.nav-toggle{ display:none; background:none; border:none; cursor:pointer; padding:6px; }
.nav-toggle span{ display:block; width:24px; height:2px; background:var(--teal-900); margin:5px 0; transition:transform .2s ease, opacity .2s ease; }
.nav-mobile-cta{ display:none; }

@media (max-width: 1040px){
  .nav-links{
    position:fixed; inset:64px 0 0 0; background:var(--bg);
    flex-direction:column; align-items:flex-start; gap:0;
    padding:18px 24px; transform:translateX(100%); transition:transform .25s ease;
    overflow-y:auto;
  }
  .nav-links.open{ transform:translateX(0); }
  .nav-links a{ width:100%; padding:14px 0; border-bottom:1px solid var(--line-soft); }
  .nav-toggle{ display:block; }
  .nav-phone{ display:none; }
  .nav-cta .btn-primary{ display:none; }
  .nav-mobile-cta{ display:flex; margin-top:18px; border-bottom:none !important; }
}
@media (max-width: 1240px) and (min-width: 1041px){
  .nav-links{ gap:16px; }
  .nav-links a{ font-size:.85rem; }
}

/* ---------- Hero ---------- */
.hero{ padding:64px 0 96px; background:var(--bg); overflow:hidden; }
.hero-grid{ display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center; }
.hero-badges{ display:flex; flex-wrap:wrap; gap:10px; margin:22px 0 28px; }
.badge{
  display:inline-flex; align-items:center; gap:6px;
  font-size:.8rem; font-weight:600; color:var(--teal-800);
  background:var(--white); border:1px solid var(--line); border-radius:999px; padding:7px 14px;
}
.badge .dot{ width:7px; height:7px; border-radius:50%; background:var(--copper-500); }
.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; margin-top:8px; }
.hero-trust{ display:flex; gap:22px; margin-top:36px; flex-wrap:wrap; }
.hero-trust div{ font-family:var(--font-display); font-size:1.5rem; color:var(--teal-900); font-weight:700; }
.hero-trust span{ display:block; font-family:var(--font-body); font-size:.78rem; color:#5A6B68; font-weight:500; }

@media (max-width: 900px){ .hero-grid{ grid-template-columns:1fr; } }

/* ---------- Signature element : le parcours (steps/pipe) ---------- */
.path-graphic{
  position:relative; background:var(--teal-900); border-radius:24px; padding:36px 28px;
  box-shadow:var(--shadow-lg); color:#fff;
}
.path-graphic h3{ color:#fff; font-size:1rem; letter-spacing:.04em; text-transform:uppercase; opacity:.75; margin-bottom:26px; }
.path-steps{ position:relative; display:flex; flex-direction:column; gap:0; }
.path-steps::before{
  content:""; position:absolute; left:17px; top:10px; bottom:10px; width:2px;
  background:repeating-linear-gradient(to bottom, var(--copper-500) 0 6px, transparent 6px 12px);
}
.path-step{ display:flex; gap:18px; padding:16px 0; position:relative; }
.path-step .num{
  flex:none; width:36px; height:36px; border-radius:50%; background:var(--copper-500);
  color:#fff; display:flex; align-items:center; justify-content:center; font-family:var(--font-display); font-weight:700; z-index:1;
}
.path-step strong{ display:block; font-size:.98rem; margin-bottom:2px; color:#fff; }
.path-step p{ margin:0; font-size:.86rem; color:#BFD6D2; }
.path-tag{
  margin-top:18px; padding:12px 16px; background:rgba(126,187,60,.16); border:1px solid rgba(126,187,60,.4);
  border-radius:10px; font-size:.84rem; color:var(--copper-300); font-weight:600;
}

/* ---------- Section heads ---------- */
.section-head{ max-width:680px; margin:0 0 48px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

/* ---------- Cards / Grids ---------- */
.grid{ display:grid; gap:26px; }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-2{ grid-template-columns:repeat(2,1fr); }
.grid-4{ grid-template-columns:repeat(4,1fr); }
@media (max-width:980px){ .grid-3,.grid-4{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:640px){ .grid-3,.grid-4,.grid-2{ grid-template-columns:1fr; } }

.card{
  background:var(--white); border:1px solid var(--line-soft); border-radius:var(--radius);
  padding:30px 26px; transition:transform .2s ease, box-shadow .2s ease;
}
.card:hover{ transform:translateY(-4px); box-shadow:var(--shadow); }
.card .icon{
  width:46px; height:46px; border-radius:12px; background:var(--bg-alt);
  display:flex; align-items:center; justify-content:center; margin-bottom:16px; color:var(--teal-800);
}
.card h3{ margin-bottom:8px; }
.card p{ color:#4B5C58; font-size:.94rem; margin-bottom:0; }

/* ---------- Stat strip ---------- */
.stat-strip{ display:flex; flex-wrap:wrap; gap:0; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; background:var(--white); }
.stat-strip > div{ flex:1 1 200px; padding:26px 24px; border-right:1px solid var(--line-soft); }
.stat-strip > div:last-child{ border-right:none; }
.stat-strip .num{ font-family:var(--font-display); font-size:2rem; color:var(--copper-600); font-weight:700; }
.stat-strip .label{ font-size:.85rem; color:#5A6B68; margin-top:4px; }

/* ---------- Aides cards ---------- */
.aide-card{ background:var(--white); border:1px solid var(--line); border-radius:var(--radius); padding:28px; display:flex; flex-direction:column; gap:10px; }
.aide-card .tag{ align-self:flex-start; font-size:.74rem; font-weight:700; letter-spacing:.06em; text-transform:uppercase; color:var(--teal-600); background:var(--bg-alt); padding:5px 10px; border-radius:6px; }
.aide-card h3{ margin:6px 0 0; }
.aide-card .montant{ font-family:var(--font-display); font-size:1.6rem; color:var(--copper-600); font-weight:700; }

/* ---------- Timeline (accompagnement détaillé) ---------- */
.timeline{ position:relative; margin-left:14px; padding-left:38px; border-left:2px dashed var(--line); }
.timeline-item{ position:relative; padding-bottom:46px; }
.timeline-item:last-child{ padding-bottom:0; }
.timeline-item::before{
  content:attr(data-step); position:absolute; left:-53px; top:0; width:34px; height:34px; border-radius:50%;
  background:var(--copper-500); color:#fff; font-family:var(--font-display); font-weight:700; font-size:.85rem;
  display:flex; align-items:center; justify-content:center;
}
.timeline-item h3{ margin-bottom:6px; }
.timeline-item p{ color:#4B5C58; max-width:620px; }

/* ---------- FAQ accordion ---------- */
.faq-list{ border-top:1px solid var(--line); }
.faq-item{ border-bottom:1px solid var(--line); }
.faq-q{
  width:100%; text-align:left; background:none; border:none; cursor:pointer;
  padding:22px 4px; display:flex; align-items:center; justify-content:space-between; gap:20px;
  font-family:var(--font-display); font-size:1.02rem; color:var(--teal-900); font-weight:600;
}
.faq-q .plus{ flex:none; width:26px; height:26px; border-radius:50%; border:1px solid var(--line); position:relative; transition:transform .2s ease, background .2s ease; }
.faq-q .plus::before,.faq-q .plus::after{ content:""; position:absolute; background:var(--teal-800); top:50%; left:50%; transform:translate(-50%,-50%); }
.faq-q .plus::before{ width:10px; height:2px; }
.faq-q .plus::after{ width:2px; height:10px; transition:opacity .2s ease; }
.faq-item.open .plus{ background:var(--copper-500); transform:rotate(180deg); }
.faq-item.open .plus::before,.faq-item.open .plus::after{ background:#fff; }
.faq-item.open .plus::after{ opacity:0; }
.faq-a{ max-height:0; overflow:hidden; transition:max-height .25s ease; }
.faq-item.open .faq-a{ max-height:400px; }
.faq-a-inner{ padding:0 30px 24px 4px; color:#4B5C58; }

/* ---------- Avis clients ---------- */
.review-card{ background:var(--white); border:1px solid var(--line-soft); border-radius:var(--radius); padding:26px; }
.review-stars{ color:var(--copper-500); letter-spacing:2px; font-size:1rem; margin-bottom:10px; }
.review-card p{ color:#3A4A47; font-size:.95rem; }
.review-foot{ display:flex; align-items:center; gap:10px; margin-top:14px; }
.review-avatar{ width:38px; height:38px; border-radius:50%; background:var(--bg-alt); display:flex; align-items:center; justify-content:center; font-family:var(--font-display); font-weight:700; color:var(--teal-800); }
.review-name{ font-weight:600; font-size:.9rem; }
.review-loc{ font-size:.78rem; color:#7A8A87; }

/* ---------- Gallery ---------- */
.gallery-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.gallery-item{ position:relative; border-radius:var(--radius-sm); overflow:hidden; aspect-ratio:4/3; background:var(--bg-alt); border:1px dashed var(--line); }
.gallery-ph{ position:absolute; inset:0; display:flex; align-items:center; justify-content:center; flex-direction:column; gap:6px; color:#7A8A87; font-size:.78rem; text-align:center; padding:10px; }
@media (max-width:760px){ .gallery-grid{ grid-template-columns:repeat(2,1fr); } }

/* ---------- Forms ---------- */
.form-card{ background:var(--white); border:1px solid var(--line); border-radius:var(--radius); padding:36px; box-shadow:var(--shadow); }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
@media (max-width:640px){ .form-row{ grid-template-columns:1fr; } }
.field{ margin-bottom:18px; }
.field label{ display:block; font-size:.85rem; font-weight:600; color:var(--teal-900); margin-bottom:6px; }
.field input, .field select, .field textarea{
  width:100%; padding:13px 14px; border:1px solid var(--line); border-radius:8px;
  font-family:var(--font-body); font-size:.95rem; background:var(--bg); color:var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color:var(--copper-500); background:#fff; }
.field-check{ display:flex; align-items:flex-start; gap:10px; font-size:.85rem; color:#4B5C58; }
.field-check input{ margin-top:3px; width:auto; }
.form-note{ font-size:.8rem; color:#7A8A87; margin-top:10px; }
.form-success{ display:none; background:var(--bg-alt); border:1px solid var(--line); border-radius:10px; padding:18px; color:var(--teal-800); font-weight:600; }

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--teal-900),var(--teal-800));
  border-radius:24px; padding:54px 48px; color:#fff; display:flex; align-items:center; justify-content:space-between; gap:30px; flex-wrap:wrap;
}
.cta-band h2{ color:#fff; margin-bottom:6px; }
.cta-band p{ color:#BFD6D2; margin:0; }

/* ---------- Footer ---------- */
.site-footer{ background:var(--teal-900); color:#BFD6D2; padding:64px 0 28px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; }
.site-footer h4{ color:#fff; font-size:.9rem; letter-spacing:.04em; text-transform:uppercase; margin-bottom:16px; }
.site-footer a{ color:#BFD6D2; font-size:.9rem; display:block; padding:6px 0; transition:color .15s ease; }
.site-footer a:hover{ color:var(--copper-300); }
.footer-bottom{ margin-top:46px; padding-top:24px; border-top:1px solid rgba(255,255,255,.12); display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:.8rem; color:#7FA29C; }
@media (max-width:900px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .footer-grid{ grid-template-columns:1fr; } }

/* ---------- Page header (sous-pages) ---------- */
.page-hero{ background:var(--teal-900); color:#fff; padding:70px 0 60px; }
.page-hero h1{ color:#fff; }
.page-hero .lead{ color:#BFD6D2; max-width:680px; }
.breadcrumb{ font-size:.82rem; color:#7FA29C; margin-bottom:18px; }
.breadcrumb a{ color:#BFD6D2; }

/* ---------- Utility ---------- */
.flex-between{ display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap; }
.mt-0{ margin-top:0; } .mb-0{ margin-bottom:0; }
.text-center{ text-align:center; }
.small{ font-size:.85rem; color:#5A6B68; }
.divider{ height:1px; background:var(--line); margin:48px 0; border:none; }
.icon-check{ color:var(--teal-600); flex:none; }
.list-check{ display:flex; flex-direction:column; gap:14px; }
.list-check li{ display:flex; gap:12px; align-items:flex-start; font-size:.96rem; }
.sticky-side{ position:sticky; top:100px; }