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

/* ── THÈME ── */
:root {
  --bg: #f8fafc;
  --bg2: #f1f5f9;
  --surface: #ffffff;
  --shadow: 0 2px 12px rgba(8,145,178,0.07), 0 1px 3px rgba(0,0,0,0.06);
  --shadow-hover: 0 8px 32px rgba(8,145,178,0.15), 0 2px 8px rgba(0,0,0,0.08);
  --cyan: #0891b2;
  --cyan2: #06b6d4;
  --cyan-glow: rgba(8,145,178,0.2);
  --text: #0f172a;
  --gray: #64748b;
  --border: rgba(0,0,0,0.07);
  --border-cyan: rgba(8,145,178,0.3);
  --nav-bg: rgba(248,250,252,0.88);
  --dot-color: rgba(8,145,178,0.12);
}

html.dark {
  --bg: #030712;
  --bg2: #080f1f;
  --surface: rgba(255,255,255,0.04);
  --shadow: 0 2px 12px rgba(0,0,0,0.4);
  --shadow-hover: 0 8px 32px rgba(34,211,238,0.12), 0 2px 8px rgba(0,0,0,0.4);
  --cyan: #22d3ee;
  --cyan2: #06b6d4;
  --cyan-glow: rgba(34,211,238,0.15);
  --text: #f8fafc;
  --gray: #94a3b8;
  --border: rgba(255,255,255,0.07);
  --border-cyan: rgba(34,211,238,0.3);
  --nav-bg: rgba(3,7,18,0.88);
  --dot-color: rgba(34,211,238,0.07);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background 0.3s, color 0.3s;
  overflow-x: hidden;
}

/* Pattern de points global */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0;
  background-image: radial-gradient(circle, var(--dot-color) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; position: relative; z-index: 1; }

/* ── NAVBAR ── */
.navbar {
  position: fixed; top: 0; width: 100%; z-index: 100;
  backdrop-filter: blur(24px);
  background: var(--nav-bg);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s, box-shadow 0.3s;
}
.nav-inner {
  display: flex; align-items: center;
  justify-content: space-between; padding: 1.1rem 2rem;
}
.logo { font-size: 1.3rem; font-weight: 800; color: var(--text); text-decoration: none; letter-spacing: -0.02em; }
.logo span { color: var(--cyan); }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a { color: var(--gray); text-decoration: none; font-size: 0.875rem; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }

.nav-right { display: flex; align-items: center; gap: 0.8rem; }

.theme-toggle {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 1rem;
  transition: all 0.2s;
  box-shadow: var(--shadow);
}
.theme-toggle:hover { border-color: var(--cyan); box-shadow: 0 0 0 3px var(--cyan-glow); }

.btn-nav {
  background: var(--cyan); color: #fff;
  padding: 0.5rem 1.2rem; border-radius: 9px;
  font-size: 0.85rem; font-weight: 600;
  text-decoration: none; transition: all 0.2s;
  box-shadow: 0 2px 8px var(--cyan-glow);
}
html.dark .btn-nav { color: #030712; }
.btn-nav:hover { opacity: 0.88; transform: translateY(-1px); box-shadow: 0 4px 16px var(--cyan-glow); }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; background: none; border: none; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text); transition: all 0.3s; border-radius: 2px; }

.mobile-menu {
  display: none; flex-direction: column;
  border-top: 1px solid var(--border);
  background: var(--nav-bg);
  backdrop-filter: blur(24px);
  padding: 0 1.5rem 1.5rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  color: var(--gray); text-decoration: none;
  font-size: 1rem; font-weight: 500;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--text); }
.mobile-menu .btn-primary { margin-top: 1rem; text-align: center; border-bottom: none; }

/* ── BUTTONS ── */
.btn-primary {
  display: inline-block;
  background: var(--cyan); color: #fff;
  padding: 0.75rem 1.8rem; border-radius: 10px;
  font-weight: 600; font-size: 0.95rem;
  text-decoration: none; transition: all 0.2s;
  border: none; cursor: pointer;
  box-shadow: 0 3px 12px var(--cyan-glow);
}
html.dark .btn-primary { color: #030712; }
.btn-primary:hover { opacity: 0.88; transform: translateY(-2px); box-shadow: 0 6px 20px var(--cyan-glow); }

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--cyan); border: 1px solid var(--border-cyan);
  padding: 0.75rem 1.8rem; border-radius: 10px;
  font-weight: 600; font-size: 0.95rem;
  text-decoration: none; transition: all 0.2s; cursor: pointer;
}
.btn-secondary:hover { background: var(--cyan-glow); transform: translateY(-2px); }
.btn-secondary.small { padding: 0.45rem 1rem; font-size: 0.82rem; margin-top: 1rem; }

/* ── SECTIONS COMMUNES ── */
.section-badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: linear-gradient(135deg, rgba(8,145,178,0.12), rgba(6,182,212,0.06));
  border: 1px solid var(--border-cyan);
  color: var(--cyan); font-size: 0.78rem;
  font-weight: 700; padding: 0.35rem 1rem;
  border-radius: 100px; margin-bottom: 1rem;
  text-transform: uppercase; letter-spacing: 0.07em;
}
.section-header { text-align: center; margin-bottom: 4rem; }
.section-header h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; margin-bottom: 1rem; letter-spacing: -0.02em; }
.section-header h2 span { color: var(--cyan); }
.section-header p { color: var(--gray); max-width: 580px; margin: 0 auto; font-size: 1.05rem; }

/* ── HERO ── */
.hero {
  min-height: 100vh; display: flex;
  align-items: center; padding-top: 80px;
  position: relative; overflow: hidden;
}

/* Fond gradient */
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 30%, rgba(6,182,212,0.13) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 80%, rgba(8,145,178,0.08) 0%, transparent 50%);
  pointer-events: none;
}

/* Blobs animés */
.hero-blob {
  position: absolute; border-radius: 50%;
  filter: blur(70px); pointer-events: none;
  animation: blobFloat 12s ease-in-out infinite;
}
.blob-1 {
  width: 500px; height: 500px;
  background: rgba(6,182,212,0.1);
  top: -10%; left: -10%;
  animation-delay: 0s;
}
.blob-2 {
  width: 350px; height: 350px;
  background: rgba(8,145,178,0.12);
  top: 30%; right: -8%;
  animation-delay: -4s;
}
.blob-3 {
  width: 280px; height: 280px;
  background: rgba(34,211,238,0.07);
  bottom: 5%; left: 30%;
  animation-delay: -8s;
}

@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(20px, -20px) scale(1.05); }
  66% { transform: translate(-15px, 15px) scale(0.97); }
}

/* Grille décorative hero */
.hero-dots {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--border-cyan) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-cyan) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.25;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black, transparent);
}

.hero-inner { text-align: center; position: relative; z-index: 1; padding: 4rem 0; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: linear-gradient(135deg, rgba(8,145,178,0.1), rgba(6,182,212,0.05));
  border: 1px solid var(--border-cyan);
  color: var(--cyan); font-size: 0.82rem; font-weight: 600;
  padding: 0.45rem 1.3rem; border-radius: 100px;
  margin-bottom: 2.5rem;
  backdrop-filter: blur(10px);
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800; line-height: 1.08; letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}
.hero h1 span {
  background: linear-gradient(135deg, var(--cyan), var(--cyan2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  color: var(--gray); font-size: 1.15rem;
  max-width: 620px; margin: 0 auto 3rem; line-height: 1.7;
}
.hero-actions { display: flex; gap: 1rem; justify-content: center; }

/* ── ABOUT ── */
.about { padding: 9rem 0; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6rem; align-items: center; }
.about-text h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 1.5rem; letter-spacing: -0.02em; line-height: 1.2; }
.about-text h2 span { color: var(--cyan); }
.about-text p { color: var(--gray); margin-bottom: 1.2rem; font-size: 0.975rem; }
.about-text .btn-primary { margin-top: 1.5rem; }

.about-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.about-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px; padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: all 0.25s;
  backdrop-filter: blur(10px);
  position: relative; overflow: hidden;
}
.about-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--cyan-glow), transparent);
  opacity: 0; transition: opacity 0.25s;
}
.about-card:hover { border-color: var(--border-cyan); box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.about-card:hover::before { opacity: 1; }
.card-icon { font-size: 1.6rem; display: block; margin-bottom: 0.8rem; position: relative; }
.about-card h3 { font-size: 0.9rem; font-weight: 700; margin-bottom: 0.4rem; position: relative; }
.about-card p { font-size: 0.82rem; color: var(--gray); position: relative; }

/* ── SERVICES ── */
.services { padding: 9rem 0; background: var(--bg2); position: relative; }
.services::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-cyan), transparent);
}
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px; padding: 2rem;
  box-shadow: var(--shadow);
  transition: all 0.25s;
  backdrop-filter: blur(10px);
  position: relative; overflow: hidden;
}
.service-card::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--cyan2));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s ease;
}
.service-card:hover { border-color: var(--border-cyan); box-shadow: var(--shadow-hover); transform: translateY(-5px); }
.service-card:hover::after { transform: scaleX(1); }

.service-card.featured {
  border-color: var(--border-cyan);
  background: linear-gradient(145deg, var(--surface), var(--cyan-glow));
}
.service-card.autre { border-style: dashed; opacity: 0.85; }
.service-card.autre:hover { opacity: 1; }

.service-icon {
  font-size: 2.2rem; display: inline-flex;
  align-items: center; justify-content: center;
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--cyan-glow), transparent);
  border: 1px solid var(--border-cyan);
  border-radius: 14px; margin-bottom: 1.2rem;
}
.service-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.8rem; letter-spacing: -0.01em; }
.service-card p { color: var(--gray); font-size: 0.875rem; line-height: 1.65; }

/* ── POUR QUI ── */
.pourqui { padding: 9rem 0; }
.pourqui-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.pourqui-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px; padding: 2rem;
  box-shadow: var(--shadow);
  text-align: center; transition: all 0.25s;
  backdrop-filter: blur(10px);
}
.pourqui-card:hover { border-color: var(--border-cyan); box-shadow: var(--shadow-hover); transform: translateY(-5px); }
.pourqui-icon {
  font-size: 2.2rem;
  display: inline-flex; align-items: center; justify-content: center;
  width: 64px; height: 64px;
  background: linear-gradient(135deg, var(--cyan-glow), transparent);
  border: 1px solid var(--border-cyan);
  border-radius: 50%; margin: 0 auto 1.2rem;
}
.pourqui-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.7rem; }
.pourqui-card p { color: var(--gray); font-size: 0.85rem; line-height: 1.65; }

/* ── COMMENT ÇA MARCHE + POURQUOI MOI ── */
.comment { padding: 9rem 0; background: var(--bg2); position: relative; }
.comment::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-cyan), transparent);
}

/* Steps horizontaux */
.steps-row {
  display: flex; align-items: stretch; gap: 0;
  margin-bottom: 4rem;
}
.step {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px; padding: 2rem;
  box-shadow: var(--shadow);
  transition: all 0.25s; backdrop-filter: blur(10px);
  text-align: center;
}
.step:hover { border-color: var(--border-cyan); box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.step-num {
  width: 44px; height: 44px; border-radius: 12px;
  background: linear-gradient(135deg, var(--cyan), var(--cyan2));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1rem;
  box-shadow: 0 3px 12px var(--cyan-glow);
  margin: 0 auto 1.2rem;
}
html.dark .step-num { color: #030712; }
.step h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.5rem; }
.step p { color: var(--gray); font-size: 0.875rem; line-height: 1.6; }

.step-arrow {
  display: flex; align-items: center; justify-content: center;
  padding: 0 1rem; color: var(--cyan);
  font-size: 1.4rem; font-weight: 300; flex-shrink: 0;
  opacity: 0.5;
}

/* Séparateur */
.comment-sep {
  display: flex; align-items: center; gap: 1.5rem;
  margin-bottom: 3rem;
}
.comment-sep::before,
.comment-sep::after {
  content: ''; flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-cyan), transparent);
}
.comment-sep span {
  color: var(--gray); font-size: 0.82rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em;
  white-space: nowrap;
}

/* Raisons en grille */
.reasons-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem;
}
.reason {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px; padding: 1.8rem 1.5rem;
  box-shadow: var(--shadow);
  transition: all 0.25s; backdrop-filter: blur(10px);
  text-align: center;
}
.reason:hover { border-color: var(--border-cyan); box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.reason-icon {
  font-size: 1.6rem;
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--cyan-glow), transparent);
  border: 1px solid var(--border-cyan);
  border-radius: 14px;
  margin: 0 auto 1rem;
}
.reason h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.5rem; }
.reason p { color: var(--gray); font-size: 0.845rem; line-height: 1.6; }

/* ── CONTACT ── */
.contact { padding: 9rem 0; position: relative; overflow: hidden; }
.contact::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--cyan-glow) 0%, transparent 70%);
  bottom: -200px; right: -100px;
  pointer-events: none;
}
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 4rem; align-items: start; }
.contact-item { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; }
.contact-icon {
  font-size: 1.3rem;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--cyan-glow), transparent);
  border: 1px solid var(--border-cyan);
  border-radius: 12px; flex-shrink: 0;
}
.contact-item h4 { font-size: 0.78rem; color: var(--gray); margin-bottom: 0.2rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.contact-item a { color: var(--text); text-decoration: none; font-size: 0.925rem; font-weight: 500; transition: color 0.2s; }
.contact-item a:hover { color: var(--cyan); }

.contact-reassurance {
  margin-top: 1.5rem;
  padding: 1.4rem 1.6rem;
  background: linear-gradient(135deg, var(--surface), var(--cyan-glow));
  border: 1px solid var(--border-cyan);
  border-radius: 16px;
  box-shadow: var(--shadow);
}
.contact-reassurance p { font-size: 0.875rem; color: var(--gray); margin-bottom: 0.6rem; line-height: 1.5; }
.contact-reassurance p:last-child { margin-bottom: 0; }

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px; padding: 2.5rem;
  box-shadow: var(--shadow-hover);
  backdrop-filter: blur(10px);
  position: relative; z-index: 1;
}
.form-group { margin-bottom: 1.4rem; }
.form-group label { display: block; font-size: 0.82rem; color: var(--gray); margin-bottom: 0.5rem; font-weight: 600; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 11px; padding: 0.875rem 1.1rem;
  color: var(--text); font-family: 'Inter', sans-serif;
  font-size: 0.9rem; transition: all 0.2s;
  resize: none; appearance: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none; border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-glow);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--gray); opacity: 0.55; }
.contact-form .btn-primary { width: 100%; text-align: center; padding: 1rem; font-size: 1rem; }

/* ── FOOTER ── */
.footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
  text-align: center; position: relative; z-index: 1;
}
.footer-inner { display: flex; flex-direction: column; gap: 0.4rem; }
.footer p { font-size: 0.85rem; color: var(--gray); }
.footer span { color: var(--cyan); font-weight: 500; }
.footer-sub { font-size: 0.78rem; opacity: 0.7; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .pourqui-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .btn-nav { display: none; }
  .nav-inner { min-height: 70px; padding: 0 1.5rem; justify-content: space-between; }
  .hamburger { display: flex; }
  .nav-right { gap: 1.8rem; }
  .theme-toggle { width: 32px; height: 32px; font-size: 0.85rem; flex-shrink: 0; }

  .hero { padding-top: 100px; padding-bottom: 4rem; }
  .hero h1 { font-size: 2.2rem; }
  .hero-sub { font-size: 0.95rem; padding: 0 0.5rem; }
  .hero-actions { flex-direction: column; align-items: center; gap: 0.8rem; }
  .hero-actions a { width: 100%; max-width: 300px; text-align: center; }
  .hero-blob { display: none; }

  .about { padding: 5rem 0; }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .about-cards { grid-template-columns: 1fr 1fr; }

  .services { padding: 5rem 0; }
  .services-grid { grid-template-columns: 1fr; }

  .pourqui { padding: 5rem 0; }
  .pourqui-grid { grid-template-columns: 1fr 1fr; }

  .comment { padding: 5rem 0; }
  .steps-row { flex-direction: column; }
  .step-arrow { transform: rotate(90deg); padding: 0.2rem 0; }
  .reasons-grid { grid-template-columns: 1fr 1fr; }

  .contact { padding: 5rem 0; }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }

  .section-header h2 { font-size: 1.8rem; }
  .section-header { margin-bottom: 2.5rem; }
  .container { padding: 0 1.2rem; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.85rem; }
  .about-cards { grid-template-columns: 1fr; }
  .pourqui-grid { grid-template-columns: 1fr; }
  .reasons-grid { grid-template-columns: 1fr; }
}