/* ===================================
   NUAGE.CD — Stylesheet v2
   Design: Clean Light Corporate
   Brand: #1a6fba / #5ab4e5
=================================== */

/* ---------- TOKENS ---------- */
:root {
  /* FOND CLAIR — style Linkeo */
  --c-bg:       #f4f8fd;
  --c-bg2:      #eaf2fb;
  --c-bg3:      #ddeefa;
  --c-surface:  #ffffff;
  --c-surface2: #f0f6fc;
  --c-border:   rgba(26,111,186,0.10);
  --c-border2:  rgba(26,111,186,0.18);

  /* Brand palette */
  --c-primary:       #1a6fba;
  --c-primary-h:     #1560a8;
  --c-brand-light:   #3498db;
  --c-brand-light-h: #2980b9;
  --c-accent:        #3498db;
  --c-accent2:       #f0a030;
  --c-gold:          #f5c542;

  /* Textes sur fond clair */
  --c-text:  #0d2540;
  --c-text2: #3d6080;
  --c-text3: #7a9ab8;

  --radius:    14px;
  --radius-sm: 8px;
  --radius-lg: 22px;
  --shadow:    0 4px 30px rgba(26,111,186,0.10);
  --shadow-sm: 0 2px 12px rgba(26,111,186,0.08);

  /* Typographies — Impact condensé + lisible */
  --font-head: 'Barlow Condensed', 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  --nav-h: 72px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.65;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: 1rem; }

/* ---------- UTILITIES ---------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-primary);
  background: rgba(26,111,186,0.08);
  border: 1px solid rgba(26,111,186,0.22);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 18px;
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  font-weight: 700;
  color: var(--c-text);
  line-height: 1.1;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}
.section-title em { font-style: normal; color: var(--c-primary); }
.section-subtitle { font-size: 1.05rem; color: var(--c-text2); max-width: 560px; margin: 0 auto; }

/* ---------- BUTTONS ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--c-primary);
  color: #fff;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.03em;
  padding: 13px 28px;
  border-radius: var(--radius);
  transition: var(--transition);
  box-shadow: 0 4px 18px rgba(26,111,186,0.28);
}
.btn-primary:hover { background: var(--c-primary-h); transform: translateY(-2px); box-shadow: 0 6px 24px rgba(26,111,186,0.40); }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--c-primary);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.03em;
  padding: 13px 28px;
  border-radius: var(--radius);
  border: 1.5px solid var(--c-primary);
  transition: var(--transition);
}
.btn-secondary:hover { background: var(--c-primary); color: #fff; }

/* ---------- POPUP ---------- */
.popup-overlay {
  position: fixed; inset: 0; z-index: 9000;
  background: rgba(13,37,64,0.6);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 0.4s ease;
}
.popup-overlay.visible { opacity: 1; pointer-events: all; }
.popup-box {
  position: relative;
  background: var(--c-surface);
  border: 1px solid var(--c-border2);
  border-radius: var(--radius-lg);
  padding: 48px 44px;
  max-width: 460px; width: calc(100% - 40px);
  text-align: center;
  box-shadow: 0 24px 80px rgba(26,111,186,0.18);
  transform: translateY(30px) scale(0.96);
  transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1);
}
.popup-overlay.visible .popup-box { transform: translateY(0) scale(1); }
.popup-close {
  position: absolute; top: 16px; right: 16px;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--c-bg2); color: var(--c-text2);
  font-size: 1.4rem; line-height: 32px; text-align: center; transition: var(--transition);
}
.popup-close:hover { background: var(--c-border2); color: var(--c-primary); }
.popup-logo {
  width: 80px; height: 80px; object-fit: contain;
  background: #fff; border-radius: 16px; padding: 6px;
  margin: 0 auto 16px; display: block;
  box-shadow: 0 4px 20px rgba(26,111,186,0.15);
  border: 1px solid var(--c-border);
}
.popup-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--c-brand-light), var(--c-primary));
  color: #fff; font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 4px 14px; border-radius: 100px; margin-bottom: 20px;
}
.popup-title { font-family: var(--font-head); font-size: 1.6rem; font-weight: 800; color: var(--c-text); margin-bottom: 12px; }
.popup-text { color: var(--c-text2); margin-bottom: 28px; font-size: 1rem; }
.popup-cta {
  display: inline-block; background: var(--c-primary); color: #fff;
  font-family: var(--font-head); font-weight: 700; font-size: 1rem;
  padding: 14px 30px; border-radius: var(--radius); transition: var(--transition);
  box-shadow: 0 4px 20px rgba(26,111,186,0.3);
}
.popup-cta:hover { background: var(--c-primary-h); transform: translateY(-2px); }

/* ---------- NAVBAR ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h); transition: background 0.3s, box-shadow 0.3s;
}
.site-header.scrolled {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--c-border), 0 4px 24px rgba(26,111,186,0.06);
}
.navbar { display: flex; align-items: center; justify-content: space-between; height: var(--nav-h); }
.nav-logo {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-head); font-size: 1.35rem; font-weight: 800;
  color: var(--c-text); letter-spacing: 0.01em;
}
/* Logo agrandi */
.nav-logo-img {
  width: 56px; height: 56px; object-fit: contain;
  border-radius: 10px; background: #fff; padding: 3px;
  flex-shrink: 0; box-shadow: 0 2px 12px rgba(26,111,186,0.15);
  border: 1px solid var(--c-border);
}
.logo-text { font-size: 1.4rem; }
.logo-dot { color: var(--c-primary); }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link { font-size: 0.9rem; font-weight: 500; color: var(--c-text2); padding: 8px 14px; border-radius: var(--radius-sm); transition: var(--transition); }
.nav-link:hover { color: var(--c-primary); background: rgba(26,111,186,0.06); }
.nav-cta-link {
  font-size: 0.9rem; font-weight: 600; color: #fff;
  padding: 9px 20px; border-radius: var(--radius);
  background: var(--c-primary); margin-left: 8px;
  transition: var(--transition); box-shadow: 0 2px 12px rgba(26,111,186,0.3);
}
.nav-cta-link:hover { background: var(--c-primary-h); transform: translateY(-1px); }
.burger { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.burger span { display: block; width: 24px; height: 2px; background: var(--c-text); border-radius: 2px; transition: var(--transition); }
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- HERO ---------- */
.hero {
  position: relative; min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding-top: var(--nav-h); overflow: hidden;
  background: linear-gradient(160deg, #e8f4fd 0%, #f4f8fd 40%, #ddeefa 100%);
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(26,111,186,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,111,186,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-orb { position: absolute; border-radius: 50%; filter: blur(80px); animation: orb-float 8s ease-in-out infinite; }
.hero-orb-1 { width: 600px; height: 600px; top: -200px; right: -100px; background: radial-gradient(circle, rgba(26,111,186,0.18) 0%, transparent 70%); animation-delay: 0s; }
.hero-orb-2 { width: 400px; height: 400px; bottom: 0; left: -100px; background: radial-gradient(circle, rgba(52,152,219,0.14) 0%, transparent 70%); animation-delay: -3s; }
.hero-orb-3 { width: 300px; height: 300px; top: 40%; left: 35%; background: radial-gradient(circle, rgba(245,197,66,0.08) 0%, transparent 70%); animation-delay: -6s; }
@keyframes orb-float { 0%, 100% { transform: translateY(0) scale(1); } 50% { transform: translateY(-30px) scale(1.05); } }
.hero-content { position: relative; z-index: 1; text-align: center; padding: 60px 24px 40px; max-width: 820px; width: 100%; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(26,111,186,0.08); border: 1px solid rgba(26,111,186,0.22);
  color: var(--c-primary); font-size: 0.85rem; font-weight: 600;
  padding: 6px 16px; border-radius: 100px; margin-bottom: 28px;
  animation: fade-up 0.8s ease 0.1s both;
}
.hero-title {
  font-family: var(--font-head);
  font-size: clamp(3.5rem, 9vw, 7rem);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  animation: fade-up 0.8s ease 0.2s both;
  text-transform: uppercase;
  color: var(--c-text);
}
.hero-title-accent { color: var(--c-text2); display: block; font-weight: 700; }
.hero-title-highlight {
  display: block;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-brand-light) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-subtitle { font-size: clamp(1rem, 2vw, 1.15rem); color: var(--c-text2); max-width: 580px; margin: 0 auto 36px; animation: fade-up 0.8s ease 0.3s both; }
.hero-actions { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; margin-bottom: 56px; animation: fade-up 0.8s ease 0.4s both; }
.hero-stats {
  display: inline-flex; align-items: center; gap: 24px;
  background: rgba(255,255,255,0.85); backdrop-filter: blur(10px);
  border: 1px solid var(--c-border); border-radius: var(--radius-lg);
  padding: 20px 36px; animation: fade-up 0.8s ease 0.5s both;
  box-shadow: 0 4px 24px rgba(26,111,186,0.08);
}
.stat { text-align: center; }
.stat-num { display: block; font-family: var(--font-head); font-size: 1.5rem; font-weight: 800; color: var(--c-primary); }
.stat-label { display: block; font-size: 0.75rem; color: var(--c-text3); margin-top: 2px; }
.stat-divider { width: 1px; height: 40px; background: var(--c-border2); }
.hero-scroll-hint { position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 8px; color: var(--c-text3); font-size: 0.75rem; animation: fade-up 1s ease 0.8s both; }
.scroll-arrow { width: 20px; height: 20px; border-right: 2px solid var(--c-text3); border-bottom: 2px solid var(--c-text3); transform: rotate(45deg); animation: scroll-bounce 2s ease-in-out infinite; }
@keyframes scroll-bounce { 0%, 100% { transform: rotate(45deg) translateY(0); } 50% { transform: rotate(45deg) translateY(6px); } }

/* ---------- VOUS ---------- */
.vous-section { background: var(--c-surface); }
.vous-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 48px; }
.vous-card {
  background: var(--c-bg); border: 1.5px solid var(--c-border);
  border-radius: var(--radius); padding: 28px 24px;
  transition: var(--transition); opacity: 0; transform: translateY(24px);
}
.vous-card.visible { opacity: 1; transform: translateY(0); }
.vous-card:hover { border-color: var(--c-primary); transform: translateY(-4px); box-shadow: 0 8px 32px rgba(26,111,186,0.12); }
.vous-icon { font-size: 2rem; margin-bottom: 14px; }
.vous-card h3 { font-family: var(--font-head); font-size: 1.1rem; font-weight: 700; color: var(--c-text); margin-bottom: 8px; }
.vous-card p { font-size: 0.9rem; color: var(--c-text2); line-height: 1.6; }
.vous-cta { text-align: center; background: linear-gradient(135deg, rgba(26,111,186,0.06), rgba(52,152,219,0.06)); border: 1.5px solid var(--c-border); border-radius: var(--radius-lg); padding: 40px; }
.vous-cta-text { font-size: 1.1rem; color: var(--c-text2); margin-bottom: 20px; }
.vous-cta-text strong { color: var(--c-text); font-family: var(--font-head); font-size: 1.3rem; }

/* ---------- NOUS ---------- */
.nous-section { background: var(--c-bg2); }
.nous-container { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; align-items: center; }
.nous-visual { display: flex; justify-content: center; align-items: center; }
.nous-card-3d { position: relative; width: 280px; height: 280px; display: flex; align-items: center; justify-content: center; }
.card-face {
  width: 200px; height: 200px;
  background: linear-gradient(135deg, #fff 0%, #edf5fc 100%);
  border: 1.5px solid var(--c-border2);
  border-radius: 24px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
  box-shadow: 0 20px 60px rgba(26,111,186,0.14), 0 0 0 1px rgba(26,111,186,0.06) inset;
  animation: card-float 5s ease-in-out infinite; z-index: 1; position: relative; padding: 20px;
}
.card-logo-img { width: 90px; height: 90px; object-fit: contain; background: #fff; border-radius: 12px; padding: 8px; }
@keyframes card-float { 0%, 100% { transform: translateY(0) rotate(-2deg); } 50% { transform: translateY(-12px) rotate(2deg); } }
.card-icon { font-size: 3rem; }
.card-brand { font-family: var(--font-head); font-size: 1.1rem; font-weight: 800; color: var(--c-text); }
.floating-badge {
  position: absolute;
  background: var(--c-surface);
  border: 1.5px solid var(--c-border2);
  color: var(--c-primary);
  font-family: var(--font-head); font-size: 0.78rem; font-weight: 700;
  padding: 5px 12px; border-radius: 100px;
  box-shadow: 0 4px 16px rgba(26,111,186,0.10);
  animation: badge-float 4s ease-in-out infinite;
}
.fb1 { top: 10px; right: 0; animation-delay: 0s; }
.fb2 { bottom: 30px; left: 0; animation-delay: -1.2s; }
.fb3 { top: 60px; left: 10px; animation-delay: -2.4s; }
.fb4 { bottom: 10px; right: 10px; animation-delay: -0.6s; }
@keyframes badge-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.floating-ring { position: absolute; border-radius: 50%; border: 1.5px solid var(--c-border); animation: ring-spin 20s linear infinite; }
.r1 { width: 100%; height: 100%; animation-direction: normal; }
.r2 { width: 78%; height: 78%; animation-direction: reverse; animation-duration: 14s; }
@keyframes ring-spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.nous-text p { color: var(--c-text2); margin-bottom: 16px; line-height: 1.75; }
.nous-features { display: flex; flex-direction: column; gap: 10px; margin: 24px 0 32px; }
.nous-feat { display: flex; align-items: center; gap: 10px; font-size: 0.95rem; color: var(--c-text2); }

/* ---------- SOLUTIONS ---------- */
.solutions-section { background: var(--c-surface); }
.solutions-tabs { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: center; margin-bottom: 40px; }
.sol-tab {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-head); font-size: 0.92rem; font-weight: 600;
  color: var(--c-text2); padding: 10px 20px; border-radius: var(--radius);
  border: 1.5px solid var(--c-border); background: var(--c-bg);
  transition: var(--transition); cursor: pointer; letter-spacing: 0.02em;
}
.sol-tab:hover { color: var(--c-primary); border-color: var(--c-primary); background: rgba(26,111,186,0.05); }
.sol-tab.active { background: var(--c-primary); color: #fff; border-color: var(--c-primary); box-shadow: 0 4px 16px rgba(26,111,186,0.25); }
.solutions-panels { position: relative; }
.sol-panel { display: none; }
.sol-panel.active { display: block; }
.sol-panel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.sol-item {
  background: var(--c-bg); border: 1.5px solid var(--c-border);
  border-radius: var(--radius); padding: 28px 24px;
  transition: var(--transition);
}
.sol-item:hover { border-color: var(--c-primary); box-shadow: 0 8px 28px rgba(26,111,186,0.10); transform: translateY(-3px); }
.sol-item.featured { border-color: var(--c-primary); background: rgba(26,111,186,0.04); }
.sol-item-icon { margin-bottom: 14px; }
.sol-item h3 { font-family: var(--font-head); font-size: 1.08rem; font-weight: 700; color: var(--c-text); margin-bottom: 8px; }
.sol-item p { font-size: 0.88rem; color: var(--c-text2); line-height: 1.65; }
.sol-item p em { font-style: italic; color: var(--c-primary); }

/* ---------- CONSTAT ---------- */
.constat-section { background: var(--c-primary); padding: 80px 0; }
.constat-inner { display: grid; grid-template-columns: 1.5fr auto 1fr 1fr; gap: 48px; align-items: start; }
.constat-quote { color: #fff; }
.constat-quote .quote-mark { font-family: var(--font-head); font-size: 6rem; color: rgba(255,255,255,0.2); line-height: 1; display: block; margin-bottom: -20px; }
.constat-quote p { font-size: 1rem; color: rgba(255,255,255,0.85); margin-bottom: 16px; line-height: 1.7; }
.constat-highlight { font-weight: 700; color: #fff !important; font-family: var(--font-head); font-size: 1.1rem !important; }
.constat-problems, .constat-solutions { display: flex; flex-direction: column; gap: 10px; }
.problem-item { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; color: rgba(255,255,255,0.8); }
.solution-item { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; color: rgba(255,255,255,0.9); font-weight: 500; }
.constat-arrow { font-size: 2.5rem; color: rgba(255,255,255,0.4); align-self: center; }

/* ---------- TARIF ---------- */
.tarif-section { background: var(--c-bg2); }
.tarif-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-bottom: 32px; }
.tarif-card {
  background: var(--c-surface); border: 1.5px solid var(--c-border);
  border-radius: var(--radius-lg); padding: 36px 28px;
  display: flex; flex-direction: column; gap: 0;
  transition: var(--transition); position: relative;
}
.tarif-card:hover { border-color: var(--c-primary); box-shadow: 0 12px 40px rgba(26,111,186,0.12); transform: translateY(-4px); }
.featured-card { border-color: var(--c-primary); box-shadow: 0 8px 32px rgba(26,111,186,0.14); }
.tarif-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--c-primary); color: #fff;
  font-family: var(--font-head); font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 4px 18px; border-radius: 100px;
}
.tarif-icon { margin-bottom: 16px; }
.tarif-card h3 { font-family: var(--font-head); font-size: 1.25rem; font-weight: 700; color: var(--c-text); margin-bottom: 18px; }
.tarif-card ul { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; flex: 1; }
.tarif-card ul li { font-size: 0.9rem; color: var(--c-text2); padding-left: 18px; position: relative; }
.tarif-card ul li::before { content: '✓'; position: absolute; left: 0; color: var(--c-primary); font-weight: 700; }
.tarif-btn {
  display: block; text-align: center;
  border: 1.5px solid var(--c-primary); color: var(--c-primary);
  font-family: var(--font-head); font-weight: 700; font-size: 0.95rem;
  padding: 11px 20px; border-radius: var(--radius); transition: var(--transition);
}
.tarif-btn:hover { background: var(--c-primary); color: #fff; }
.tarif-btn-main { background: var(--c-primary); color: #fff !important; }
.tarif-btn-main:hover { background: var(--c-primary-h); }
.tarif-note { display: flex; align-items: center; justify-content: center; gap: 8px; font-size: 0.9rem; color: var(--c-text2); text-align: center; }

/* ---------- FEATURES HEBERGEMENT ---------- */
.features-section { background: var(--c-surface); }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature-card {
  background: var(--c-bg); border: 1.5px solid var(--c-border);
  border-radius: var(--radius); padding: 24px 20px;
  transition: var(--transition);
}
.feature-card:hover { border-color: var(--c-primary); box-shadow: 0 6px 24px rgba(26,111,186,0.10); transform: translateY(-3px); }
.feature-icon { margin-bottom: 14px; }
.feature-card h4 { font-family: var(--font-head); font-size: 1rem; font-weight: 700; color: var(--c-text); margin-bottom: 8px; }
.feature-card p { font-size: 0.85rem; color: var(--c-text2); line-height: 1.6; }

/* ---------- CONTACT ---------- */
.contact-section { background: var(--c-bg2); }
.contact-container { display: grid; grid-template-columns: 1fr 1.4fr; gap: 72px; align-items: start; }
.contact-info p { color: var(--c-text2); margin-bottom: 28px; line-height: 1.75; }
.contact-details { display: flex; flex-direction: column; gap: 14px; }
.contact-detail {
  display: flex; align-items: center; gap: 14px;
  background: var(--c-surface); border: 1.5px solid var(--c-border);
  border-radius: var(--radius); padding: 14px 18px;
  color: var(--c-text2); font-size: 0.95rem;
  transition: var(--transition);
}
.contact-detail:hover { border-color: var(--c-primary); color: var(--c-primary); }
.detail-icon { width: 22px; display: flex; align-items: center; justify-content: center; }
.contact-form-wrap {
  background: var(--c-surface); border: 1.5px solid var(--c-border);
  border-radius: var(--radius-lg); padding: 36px 32px;
  box-shadow: 0 8px 32px rgba(26,111,186,0.06);
}
.form-header { margin-bottom: 28px; }
.form-header h3 { font-family: var(--font-head); font-size: 1.4rem; font-weight: 800; color: var(--c-text); margin-bottom: 6px; }
.form-header p { font-size: 0.9rem; color: var(--c-text2); }
.devis-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--c-text2); }
.form-group input, .form-group select, .form-group textarea {
  background: var(--c-bg); border: 1.5px solid var(--c-border);
  border-radius: var(--radius-sm); padding: 11px 14px; color: var(--c-text);
  transition: var(--transition); outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(26,111,186,0.10);
}
.form-group select { appearance: none; cursor: pointer; }
.form-group textarea { resize: vertical; min-height: 100px; }
.checkbox-group { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.checkbox-item { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 0.88rem; color: var(--c-text2); }
.checkbox-item input { width: 16px; height: 16px; cursor: pointer; accent-color: var(--c-primary); }
.form-honeypot { display: none; }
.form-submit { align-self: stretch; font-size: 1rem; padding: 14px 28px; cursor: pointer; border: none; }
.form-note { text-align: center; font-size: 0.82rem; color: var(--c-text3); display: flex; align-items: center; justify-content: center; gap: 6px; }
.form-message { padding: 14px 18px; border-radius: var(--radius-sm); font-size: 0.9rem; font-weight: 500; text-align: center; display: flex; align-items: center; justify-content: center; gap: 8px; }
.form-message.success { background: rgba(52,152,219,0.08); border: 1px solid rgba(52,152,219,0.25); color: var(--c-primary); }
.form-message.error { background: rgba(255,80,80,0.06); border: 1px solid rgba(255,80,80,0.2); color: #e05050; }

/* ---------- WHATSAPP BUTTON FLOTTANT ---------- */
.whatsapp-float {
  position: fixed; bottom: 84px; right: 28px; z-index: 500;
  width: 52px; height: 52px; border-radius: 50%;
  background: #25D366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 18px rgba(37,211,102,0.40);
  transition: var(--transition);
  opacity: 0; pointer-events: none; transform: translateY(10px);
}
.whatsapp-float.visible { opacity: 1; pointer-events: all; transform: translateY(0); }
.whatsapp-float:hover { background: #1ebe5d; transform: translateY(-3px) scale(1.05); }

/* ---------- FOOTER ---------- */
.site-footer { background: var(--c-text); border-top: 1px solid rgba(255,255,255,0.08); padding-top: 60px; }
.footer-inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 48px; }
.footer-brand .nav-logo { margin-bottom: 14px; }
.footer-logo .nav-logo-img { width: 44px; height: 44px; }
.footer-brand .nav-logo { color: #fff; }
.footer-brand .logo-dot { color: var(--c-brand-light); }
.footer-brand p { font-size: 0.88rem; color: rgba(255,255,255,0.55); line-height: 1.7; margin-bottom: 20px; }
.footer-brand p strong { color: rgba(255,255,255,0.85); }
.footer-contact { display: flex; flex-direction: column; gap: 6px; }
.footer-contact a { font-size: 0.85rem; color: rgba(255,255,255,0.5); transition: var(--transition); }
.footer-contact a:hover { color: var(--c-brand-light); }
.footer-links h4 { font-family: var(--font-head); font-size: 0.8rem; font-weight: 700; color: rgba(255,255,255,0.9); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 20px; }
.footer-links ul { display: flex; flex-direction: column; gap: 8px; }
.footer-links ul li a { font-size: 0.88rem; color: rgba(255,255,255,0.45); transition: var(--transition); }
.footer-links ul li a:hover { color: var(--c-brand-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; }
.footer-bottom .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
.footer-bottom p { font-size: 0.82rem; color: rgba(255,255,255,0.35); }

/* ---------- BACK TO TOP ---------- */
.back-to-top {
  position: fixed; bottom: 28px; right: 28px; width: 44px; height: 44px;
  background: var(--c-primary); color: #fff; border-radius: 50%; font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(26,111,186,0.35); z-index: 500;
  opacity: 0; pointer-events: none; transform: translateY(10px); transition: var(--transition);
}
.back-to-top.visible { opacity: 1; pointer-events: all; transform: translateY(0); }
.back-to-top:hover { background: var(--c-primary-h); transform: translateY(-3px); }

/* ---------- ANIMATIONS ---------- */
@keyframes fade-up { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: translateY(0); } }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .nous-container { grid-template-columns: 1fr; gap: 60px; }
  .nous-visual { order: -1; }
  .contact-container { grid-template-columns: 1fr; gap: 48px; }
  .constat-inner { grid-template-columns: 1fr 1fr; text-align: left; }
  .constat-arrow { display: none; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .sol-panel-grid { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .tarif-grid { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }
}
@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .nav-links {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: rgba(255,255,255,0.98); backdrop-filter: blur(20px);
    flex-direction: column; align-items: stretch;
    padding: 20px 24px 32px; gap: 4px;
    border-bottom: 1px solid var(--c-border);
    box-shadow: 0 8px 32px rgba(26,111,186,0.10);
    transform: translateY(-120%); opacity: 0;
    transition: transform 0.35s ease, opacity 0.35s ease;
    pointer-events: none; z-index: 999;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav-link { padding: 12px 16px; font-size: 1rem; }
  .nav-cta-link { margin-left: 0; padding: 12px 16px; text-align: center; }
  .burger { display: flex; }
  .vous-grid { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .sol-panel-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .stat-divider { width: 60px; height: 1px; }
  .nous-features { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .checkbox-group { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .contact-form-wrap { padding: 28px 20px; }
  .constat-inner { grid-template-columns: 1fr; gap: 24px; text-align: center; }
}
@media (max-width: 480px) {
  .vous-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn-primary, .btn-secondary { text-align: center; justify-content: center; }
  .solutions-tabs { gap: 6px; }
  .sol-tab { padding: 8px 14px; font-size: 0.82rem; }
}