/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --white:    #FFFFFF;
  --off:      #F5F6F8;
  --dark:     #0D1421;
  --dark2:    #1A2540;
  --blue:     #1B4FD8;
  --blue-lt:  #2C5FE8;
  --text:     #0D1421;
  --mid:      #4B5563;
  --muted:    #9CA3AF;
  --border:   #E5E7EB;
  --radius:   10px;
  --radius-lg:16px;
}

html { scroll-behavior: smooth; }
body { font-family: 'Inter', -apple-system, sans-serif; background: var(--white); color: var(--text); line-height: 1.65; overflow-x: hidden; }
img { display: block; max-width: 100%; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 28px; }

.section-tag {
  display: inline-block;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 14px;
}

.section-header { margin-bottom: 56px; }
.section-header h2 { font-size: clamp(28px, 3.5vw, 44px); font-weight: 800; letter-spacing: -1px; line-height: 1.15; margin-top: 8px; }
.section-header.centered { text-align: center; }
.section-sub { font-size: 17px; color: var(--mid); line-height: 1.8; max-width: 640px; margin: 16px auto 0; }

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--blue); color: #fff;
  padding: 14px 28px; border-radius: var(--radius);
  font-weight: 700; font-size: 15px;
  text-decoration: none; border: none; cursor: pointer;
  transition: all 0.25s;
}
.btn-primary:hover { background: var(--blue-lt); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(27,79,216,0.3); }
.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--text);
  padding: 14px 28px; border-radius: var(--radius);
  font-weight: 600; font-size: 15px;
  text-decoration: none; border: 2px solid var(--border);
  transition: all 0.25s;
}
.btn-outline:hover { border-color: var(--text); }
.btn-large { padding: 17px 36px; font-size: 16px; }
.btn-full { width: 100%; justify-content: center; }
.btn-arrow { font-size: 18px; transition: transform 0.2s; }
.btn-primary:hover .btn-arrow { transform: translateX(4px); }
.btn-nav {
  background: var(--blue); color: #fff !important;
  padding: 10px 20px; border-radius: 8px;
  font-weight: 700; font-size: 13px; text-decoration: none;
  transition: all 0.2s; white-space: nowrap;
}
.btn-nav:hover { background: var(--blue-lt); }

/* ===== NAV ===== */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 18px 0; background: transparent; transition: all 0.3s;
}
#navbar.scrolled {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  box-shadow: 0 1px 20px rgba(0,0,0,0.06);
}
.nav-inner { max-width: 1160px; margin: 0 auto; padding: 0 28px; display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-mark {
  width: 36px; height: 36px;
  flex-shrink: 0;
  display: block;
}
.logo-text { font-size: 18px; font-weight: 800; color: var(--dark); letter-spacing: -0.3px; }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a { color: var(--mid); text-decoration: none; font-size: 14px; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }
.menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--dark); border-radius: 2px; transition: all 0.3s; }

/* ===== HERO ===== */
#hero {
  padding: 140px 0 80px;
  background: var(--white);
  overflow: hidden;
}
.hero-inner {
  max-width: 1160px; margin: 0 auto; padding: 0 28px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center;
}
.hero-tag {
  display: inline-block;
  font-size: 11px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--blue); background: rgba(27,79,216,0.07);
  padding: 7px 14px; border-radius: 100px;
  margin-bottom: 24px;
}
.hero-left h1 {
  font-size: clamp(34px, 4.5vw, 58px); font-weight: 900;
  line-height: 1.1; letter-spacing: -2px;
  margin-bottom: 20px; color: var(--dark);
}
.hero-left h1 em { font-style: italic; color: var(--blue); }
.hero-sub { font-size: 17px; color: var(--mid); line-height: 1.8; margin-bottom: 36px; max-width: 480px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 44px; }
.hero-proof { display: flex; align-items: center; gap: 0; padding-top: 32px; border-top: 1px solid var(--border); }
.proof-item { display: flex; flex-direction: column; padding: 0 24px; }
.proof-item:first-child { padding-left: 0; }
.proof-item strong { font-size: 20px; font-weight: 800; color: var(--dark); letter-spacing: -0.5px; }
.proof-item span { font-size: 12px; color: var(--muted); margin-top: 2px; }
.proof-sep { width: 1px; height: 32px; background: var(--border); }

.hero-right { position: relative; }
.hero-img-wrap { position: relative; }
.hero-img {
  width: 100%; height: 520px; object-fit: cover;
  border-radius: 20px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.12);
}
.hero-card {
  position: absolute; background: #fff;
  border-radius: 12px; padding: 14px 18px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
  font-size: 13px;
}
.card-stat { bottom: 32px; left: -24px; min-width: 160px; }
.card-num { display: block; font-size: 26px; font-weight: 900; color: var(--blue); letter-spacing: -1px; }
.card-label { display: block; color: var(--mid); font-size: 12px; margin-top: 2px; }
.card-online {
  top: 28px; right: -16px;
  display: flex; align-items: center; gap: 8px;
  font-weight: 600; color: var(--dark);
}
.dot-green { width: 8px; height: 8px; border-radius: 50%; background: #22C55E; animation: pulse-g 2s infinite; }
@keyframes pulse-g { 0%,100%{box-shadow:0 0 0 0 rgba(34,197,94,.4)} 50%{box-shadow:0 0 0 6px rgba(34,197,94,0)} }

/* ===== CONFIANCE ===== */
#confiance {
  padding: 36px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--off);
}
.confiance-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; color: var(--muted); margin-bottom: 16px; text-align: center; }
.logos-row { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.logo-chip {
  font-size: 13px; font-weight: 600; color: var(--mid);
  padding: 7px 16px; border: 1px solid var(--border);
  border-radius: 100px; background: var(--white);
}

/* ===== STATS ===== */
#stats { background: var(--dark); padding: 80px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.06); border-radius: var(--radius-lg); overflow: hidden; }
.stat-block { padding: 40px 32px; background: var(--dark); }
.stat-num { font-size: 52px; font-weight: 900; letter-spacing: -2px; color: #fff; line-height: 1; margin-bottom: 12px; }
.stat-num span { font-size: 32px; color: var(--blue-lt); }
.stat-text { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.7; margin-bottom: 10px; }
.stat-text strong { color: #fff; }
.stat-source { font-size: 11px; color: rgba(255,255,255,0.3); font-style: italic; }

/* ===== SERVICES ===== */
#services { padding: 110px 0; }
.services-list { display: flex; flex-direction: column; gap: 80px; }
.service-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center;
}
.service-row.reverse { direction: rtl; }
.service-row.reverse > * { direction: ltr; }
.service-img-col img {
  width: 100%; height: 400px; object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.1);
}
.service-num { font-size: 11px; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; color: var(--blue); margin-bottom: 14px; }
.service-text-col h3 { font-size: clamp(22px, 2.5vw, 32px); font-weight: 800; letter-spacing: -0.5px; margin-bottom: 16px; }
.service-text-col p { font-size: 15px; color: var(--mid); line-height: 1.8; margin-bottom: 14px; }
.service-text-col p strong { color: var(--text); }
.service-list { list-style: none; margin-top: 20px; display: flex; flex-direction: column; gap: 10px; }
.service-list li { font-size: 14px; color: var(--mid); display: flex; align-items: center; gap: 10px; }
.service-list li::before { content: '→'; color: var(--blue); font-weight: 700; flex-shrink: 0; }

/* ===== POURQUOI IA ===== */
#pourquoi-ia { background: var(--off); padding: 110px 0; }
.ia-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-bottom: 48px; }
.ia-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 36px 32px;
  transition: all 0.3s;
}
.ia-card:hover { box-shadow: 0 12px 40px rgba(0,0,0,0.08); transform: translateY(-3px); }
.ia-icon {
  width: 48px; height: 48px;
  background: rgba(27,79,216,0.08); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--blue); margin-bottom: 20px;
}
.ia-icon svg { width: 22px; height: 22px; }
.ia-card h4 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.ia-card p { font-size: 14px; color: var(--mid); line-height: 1.75; }
.ia-card p strong { color: var(--text); }
.ia-quote {
  background: var(--dark); border-radius: var(--radius-lg);
  padding: 48px 56px; text-align: center;
}
.ia-quote blockquote { font-size: clamp(18px, 2vw, 24px); font-weight: 300; color: rgba(255,255,255,0.8); line-height: 1.7; font-style: italic; }
.ia-quote blockquote strong { color: #fff; font-weight: 700; font-style: normal; }
.ia-quote cite { display: block; margin-top: 20px; font-size: 13px; color: rgba(255,255,255,0.4); font-style: normal; letter-spacing: 0.06em; }

/* ===== EXPERTISE ===== */
#expertise {
  padding: 0;
  background: var(--white);
}
.expertise-inner {
  display: grid; grid-template-columns: 1fr 1fr;
}
.expertise-img { overflow: hidden; align-self: flex-start; }
.expertise-img img { width: 100%; height: auto; display: block; }
.expertise-text {
  padding: 80px 72px;
  display: flex; flex-direction: column; justify-content: center;
}
.expertise-text h2 { font-size: clamp(26px, 3vw, 40px); font-weight: 800; letter-spacing: -1px; margin-bottom: 20px; margin-top: 8px; line-height: 1.2; }
.expertise-text p { font-size: 15px; color: var(--mid); line-height: 1.8; margin-bottom: 16px; }
.expertise-points { margin-top: 28px; display: flex; flex-direction: column; gap: 12px; }
.exp-point { display: flex; align-items: flex-start; gap: 12px; font-size: 14px; color: var(--mid); }
.exp-check { color: var(--blue); font-weight: 800; font-size: 14px; flex-shrink: 0; margin-top: 2px; }

/* ===== PROCESSUS ===== */
#processus { padding: 110px 0; background: var(--off); }
.process-steps {
  display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 0; align-items: start;
  margin-top: 0;
}
.process-step {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px 28px;
}
.process-arrow {
  display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: 20px; padding: 0 12px; margin-top: 28px;
}
.step-num { font-size: 11px; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; color: var(--blue); margin-bottom: 14px; }
.step-body h4 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.step-body p { font-size: 13px; color: var(--mid); line-height: 1.7; }

/* ===== CTA ===== */
#cta-band { background: var(--dark); padding: 100px 0; }
.cta-content { text-align: center; max-width: 680px; margin: 0 auto; }
.cta-content h2 { font-size: clamp(28px, 3.5vw, 46px); font-weight: 800; letter-spacing: -1px; color: #fff; margin-bottom: 16px; line-height: 1.2; }
.cta-content h2 em { font-style: italic; color: rgba(255,255,255,0.6); }
.cta-content p { font-size: 17px; color: rgba(255,255,255,0.6); line-height: 1.8; margin-bottom: 36px; }
.cta-note { margin-top: 16px; font-size: 12px; color: rgba(255,255,255,0.35); letter-spacing: 0.04em; }

/* ===== CONTACT ===== */
#contact { padding: 110px 0; }
.contact-wrap { display: grid; grid-template-columns: 1fr 1.4fr; gap: 80px; align-items: start; }
.contact-left h2 { font-size: clamp(26px, 3vw, 40px); font-weight: 800; letter-spacing: -1px; margin-bottom: 14px; margin-top: 8px; }
.contact-left > p { font-size: 15px; color: var(--mid); line-height: 1.8; margin-bottom: 36px; }
.contact-details { display: flex; flex-direction: column; gap: 20px; }
.contact-row { display: flex; align-items: center; gap: 14px; }
.c-icon { width: 44px; height: 44px; min-width: 44px; background: var(--off); border: 1px solid var(--border); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 16px; }
.contact-row label { display: block; font-size: 11px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 2px; }
.contact-row strong { font-size: 15px; font-weight: 700; color: var(--dark); }
.contact-right { background: var(--off); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 40px; }
.contact-form { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group label { font-size: 12px; font-weight: 700; color: var(--mid); letter-spacing: 0.03em; }
.form-group input, .form-group select, .form-group textarea {
  background: var(--white); border: 1px solid var(--border); border-radius: 8px;
  padding: 11px 14px; color: var(--text); font-size: 14px; font-family: inherit;
  outline: none; transition: border-color 0.2s; -webkit-appearance: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--blue); box-shadow: 0 0 0 3px rgba(27,79,216,0.1);
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--muted); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-success { display: none; text-align: center; color: #16A34A; font-size: 14px; font-weight: 600; padding: 12px; background: #F0FDF4; border: 1px solid #BBF7D0; border-radius: 8px; }
.form-success.show { display: block; }
.form-error { margin-top: 10px; text-align: center; color: #DC2626; font-size: 13px; font-weight: 500; padding: 10px 14px; background: #FEF2F2; border: 1px solid #FECACA; border-radius: 8px; }
.form-privacy { margin-top: 12px; font-size: 12px; color: rgba(255,255,255,0.35); text-align: center; }
.form-privacy a { color: rgba(255,255,255,0.5); text-decoration: underline; }
.form-privacy a:hover { color: #fff; }

/* ===== BANNIÈRE COOKIES ===== */
.cookie-banner { position: fixed; bottom: 0; left: 0; right: 0; z-index: 9999; background: #0D1421; border-top: 1px solid rgba(27,79,216,0.3); padding: 16px 24px; transform: translateY(100%); transition: transform 0.4s ease; }
.cookie-banner.show { transform: translateY(0); }
.cookie-inner { max-width: 900px; margin: 0 auto; display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.cookie-inner p { flex: 1; font-size: 13px; color: rgba(255,255,255,0.6); margin: 0; min-width: 200px; }
.cookie-inner p a { color: #3b72f6; }
.cookie-btns { display: flex; gap: 10px; flex-shrink: 0; }
.cookie-btn-accept { background: #1B4FD8; color: #fff; border: none; padding: 9px 20px; border-radius: 6px; font-size: 13px; font-weight: 600; cursor: pointer; font-family: Inter, sans-serif; }
.cookie-btn-accept:hover { background: #1640b0; }
.cookie-btn-decline { background: transparent; color: rgba(255,255,255,0.5); border: 1px solid rgba(255,255,255,0.15); padding: 9px 20px; border-radius: 6px; font-size: 13px; font-weight: 500; cursor: pointer; font-family: Inter, sans-serif; }
.cookie-btn-decline:hover { color: #fff; border-color: rgba(255,255,255,0.3); }

/* ===== PHILOSOPHIE ===== */
#philosophie {
  padding: 110px 0;
  background: var(--off);
  border-top: 1px solid var(--border);
}
.philo-inner {
  display: flex;
  gap: 64px;
  align-items: flex-start;
}
.philo-logo {
  flex-shrink: 0;
  align-self: flex-start;
  margin-left: -24px;
}
.philo-logo img {
  width: 128px;
  height: 128px;
  border-radius: 20px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}
.philo-text .section-tag { margin-bottom: 20px; }
.philo-lead {
  font-size: 20px;
  font-weight: 400;
  color: var(--text);
  line-height: 1.75;
  margin-bottom: 24px;
  font-style: italic;
}
.philo-text p {
  font-size: 16px;
  color: var(--mid);
  line-height: 1.85;
  margin-bottom: 16px;
}
.philo-closing {
  font-size: 17px !important;
  color: var(--text) !important;
  margin-top: 8px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.philo-closing strong { color: var(--blue); }

@media (max-width: 768px) {
  .philo-inner { flex-direction: column; align-items: flex-start; gap: 24px; }
  .philo-logo { margin-left: 0; }
  .philo-logo img { width: 80px; height: 80px; }
  .philo-lead { font-size: 17px; }
}

/* ===== FOOTER ===== */
#footer { padding: 60px 0 28px; background: var(--dark); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .logo .logo-mark { outline: 1px solid rgba(255,255,255,0.2); border-radius: 8px; }
.footer-brand .logo .logo-text { color: var(--white); }
.footer-brand p { font-size: 13px; color: rgba(255,255,255,0.45); line-height: 1.75; margin: 16px 0 24px; max-width: 240px; }
.social-row { display: flex; gap: 10px; }
.social-row a { width: 36px; height: 36px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.4); transition: all 0.2s; text-decoration: none; }
.social-row a svg { width: 15px; height: 15px; }
.social-row a:hover { color: #fff; border-color: rgba(255,255,255,0.3); }
.footer-col h5 { font-size: 11px; font-weight: 800; color: #fff; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 16px; }
.footer-col a { display: block; font-size: 13px; color: rgba(255,255,255,0.45); text-decoration: none; margin-bottom: 10px; transition: color 0.2s; }
.footer-col a:hover { color: rgba(255,255,255,0.8); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.07); padding-top: 24px; display: flex; justify-content: space-between; font-size: 12px; color: rgba(255,255,255,0.3); }

/* ===== REVEAL ===== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-left h1 { max-width: 600px; }
  .hero-img { height: 380px; }
  .card-stat { left: 0; }
  .card-online { right: 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .service-row { grid-template-columns: 1fr; gap: 40px; }
  .service-row.reverse { direction: ltr; }
  .service-img-col img { height: 300px; }
  .ia-grid { grid-template-columns: 1fr; }
  .expertise-inner { grid-template-columns: 1fr; }
  .expertise-img { height: 480px; }
  .expertise-text { padding: 56px 28px; }
  .process-steps { grid-template-columns: 1fr 1fr; gap: 16px; }
  .process-arrow { display: none; }
  .contact-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .ia-quote { padding: 36px 28px; }
}
@media (max-width: 768px) {
  .nav-links { display: none; position: fixed; inset: 0; top: 62px; background: rgba(255,255,255,0.98); backdrop-filter: blur(12px); flex-direction: column; padding: 32px 24px; gap: 20px; align-items: flex-start; z-index: 999; border-top: 1px solid var(--border); }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 17px; color: var(--dark); }
  .menu-toggle { display: flex; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat-block { padding: 28px 24px; }
  .process-steps { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .hero-proof { flex-wrap: wrap; gap: 16px; }
  .proof-sep { display: none; }
  .proof-item { padding: 0; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn-primary, .hero-cta .btn-outline { justify-content: center; }
}