/* ===== VARIABLES ===== */
:root {
  --primary: #254f83;
  --primary-dark: #1a3a62;
  --primary-light: #3a6aa8;
  --accent: #f37d16;
  --accent-dark: #d4690c;
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-500: #6b7280;
  --gray-700: #374151;
  --gray-900: #111827;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(37, 79, 131, 0.12);
  --shadow-lg: 0 10px 40px rgba(37, 79, 131, 0.18);
  --transition: 0.25s ease;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--gray-700);
  line-height: 1.6;
  background: var(--white);
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ===== UTILITAIRES ===== */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section--gray { background: var(--gray-50); }
.section__label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section__title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 16px;
}
.section__subtitle {
  font-size: 1.1rem;
  color: var(--gray-500);
  max-width: 580px;
  margin-bottom: 48px;
}
.text-center { text-align: center; }
.section__subtitle.text-center { margin-left: auto; margin-right: auto; }

/* ===== BOUTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.btn:hover { transform: translateY(-2px); }
.btn--primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(243, 125, 22, 0.35);
}
.btn--primary:hover {
  background: var(--accent-dark);
  box-shadow: 0 6px 24px rgba(243, 125, 22, 0.45);
}
.btn--outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}
.btn--outline:hover {
  background: rgba(255,255,255,0.12);
}
.btn--outline-dark {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn--outline-dark:hover { background: var(--primary); color: var(--white); }

/* ===== NAVIGATION ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.nav__logo img {
  height: 44px;
  width: auto;
  display: block;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav__links a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gray-700);
  transition: color var(--transition);
  position: relative;
}
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.nav__links a:hover { color: var(--primary); }
.nav__links a:hover::after, .nav__links a.active::after { transform: scaleX(1); }
.nav__links a.active { color: var(--primary); }
.nav__cta { margin-left: 16px; }
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__burger span {
  display: block;
  width: 26px; height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav__burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; }
.nav__burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== FOOTER ===== */
.footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.75);
  padding: 48px 0 24px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer__logo {
  margin-bottom: 12px;
}
.footer__logo img {
  height: 44px;
  width: auto;
  filter: brightness(0) invert(1);
}
.footer__tagline { font-size: 0.9rem; line-height: 1.6; }
.footer__heading {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 16px;
}
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__links a {
  font-size: 0.9rem;
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--accent); }
.footer__picto {
  display: inline-block;
  filter: brightness(0) invert(1);
}
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  flex-wrap: wrap;
  gap: 8px;
}

/* ===== HERO ===== */
.hero {
  background-color: var(--primary-dark);
  background-size: cover;
  background-position: center;
  color: var(--white);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,58,98,0.82) 0%, rgba(37,79,131,0.7) 60%, rgba(58,106,168,0.5) 100%);
}
.hero__inner {
  position: relative;
  max-width: 760px;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}
.hero__badge::before {
  content: '★';
  color: var(--accent);
}
.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 24px;
}
.hero__title em {
  font-style: normal;
  color: var(--accent);
}
.hero__text {
  font-size: 1.15rem;
  line-height: 1.7;
  opacity: 0.88;
  margin-bottom: 40px;
  max-width: 600px;
}
.hero__ctas { display: flex; gap: 16px; flex-wrap: wrap; }

/* ===== CARDS ===== */
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

/* ===== GRILLE 3 colonnes ===== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ===== ICÔNE ===== */
.icon-box {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: rgba(37, 79, 131, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
  flex-shrink: 0;
}
.icon-box--accent { background: rgba(243, 125, 22, 0.12); }

/* ===== BADGE PRIX ===== */
.pricing-card {
  background: var(--white);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  padding: 48px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  border: 2px solid transparent;
  max-width: 480px;
  margin: 0 auto;
}
.pricing-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}
.pricing-card__badge {
  display: inline-block;
  background: var(--accent);
  color: white;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 20px;
}
.pricing-card__price {
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
}
.pricing-card__price sup { font-size: 1.5rem; vertical-align: super; }
.pricing-card__period { font-size: 0.95rem; color: var(--gray-500); margin-top: 6px; margin-bottom: 28px; }
.pricing-card__features { text-align: left; margin-bottom: 32px; }
.pricing-card__features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.95rem;
}
.pricing-card__features li:last-child { border-bottom: none; }
.pricing-card__features li::before { content: '✓'; color: var(--accent); font-weight: 900; flex-shrink: 0; margin-top: 1px; }

/* ===== CTA SECTION ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  padding: 80px 0;
  text-align: center;
}
.cta-section__title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 16px;
}
.cta-section__text {
  font-size: 1.05rem;
  opacity: 0.85;
  max-width: 500px;
  margin: 0 auto 36px;
}
.cta-section__btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== ÉTAPES ===== */
.steps { display: flex; flex-direction: column; gap: 0; }
.step {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding: 40px 0;
  border-bottom: 1px solid var(--gray-200);
}
.step:last-child { border-bottom: none; }
.step__number {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  font-size: 1.4rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.step__content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}
.step__content p { color: var(--gray-500); line-height: 1.7; }

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 48px;
  align-items: start;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--gray-900);
  transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--white);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 79, 131, 0.1);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.info-card {
  background: var(--primary);
  color: var(--white);
  border-radius: 20px;
  padding: 36px 32px;
  position: sticky;
  top: 90px;
}
.info-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.2);
}
.info-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 22px;
}
.info-item__icon {
  width: 38px; height: 38px;
  background: rgba(255,255,255,0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.info-item__label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.65;
  margin-bottom: 2px;
}
.info-item__value { font-size: 0.95rem; font-weight: 500; }
.info-item__value a { color: inherit; }
.info-item__value a:hover { color: var(--accent); }

/* ===== PROBLÈME / SOLUTION ===== */
.problem-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  border-left: 4px solid var(--accent);
  box-shadow: var(--shadow);
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.problem-card__emoji { font-size: 1.6rem; flex-shrink: 0; }
.problem-card h4 { font-size: 1rem; font-weight: 700; color: var(--gray-900); margin-bottom: 4px; }
.problem-card p { font-size: 0.9rem; color: var(--gray-500); line-height: 1.6; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .info-card { position: static; }
}

@media (max-width: 640px) {
  .pricing-grid { grid-template-columns: 1fr !important; }
  .section { padding: 56px 0; }
  .nav__links, .nav__cta { display: none; }
  .nav__burger { display: flex; }
  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px; left: 0; right: 0;
    background: var(--white);
    padding: 20px 24px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    gap: 20px;
    align-items: flex-start;
  }
  .nav__cta.open { display: flex; padding: 0 24px 20px; }
  .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero { padding: 60px 0; }
  .hero__ctas { flex-direction: column; }
  .step { flex-direction: column; gap: 16px; }
  .pricing-card { padding: 36px 24px; }
}

/* ===== DEMO CARDS ===== */
.demo-card {
  background: var(--white);
  border-radius: 16px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.demo-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.demo-card__browser-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: var(--gray-100);
  border-bottom: 1px solid var(--gray-200);
}
.demo-card__dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.demo-card__dot:nth-child(1) { background: #ff5f57; }
.demo-card__dot:nth-child(2) { background: #ffbd2e; }
.demo-card__dot:nth-child(3) { background: #28ca41; }
.demo-card__url {
  flex: 1;
  background: var(--white);
  border-radius: 6px;
  padding: 3px 10px;
  font-size: 0.78rem;
  color: var(--gray-500);
  margin-left: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.demo-card__screenshot {
  width: 100%;
  height: 195px;
  object-fit: cover;
  object-position: top;
  display: block;
}
.demo-card__body { padding: 24px; }
.demo-card__metier {
  display: inline-block;
  background: rgba(37,79,131,0.1);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 50px;
  margin-bottom: 10px;
}
.demo-card__body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}
.demo-card__body p {
  font-size: 0.88rem;
  color: var(--gray-500);
  line-height: 1.6;
  margin-bottom: 20px;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate { animation: fadeUp 0.5s ease both; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }