/* Variables de couleur */
:root {
  --orange: #ff5c00;     /* rappel du contour du logo */
  --charcoal: #222;
  --light: #fafafa;
  --grey: #555;
  --radius: 4px;
  --max-width: 1100px;
  font-size: 16px;
}

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

body {
  font-family: "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: var(--charcoal);
  background: var(--light);
}

/* Sections génériques */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 4rem 1rem;
}
.section.alt { background: #fff; }

h1, h2, h3 { font-weight: 600; line-height: 1.2; }
h1 { font-size: 2rem; margin-bottom: 1rem; }
h2 { font-size: 1.75rem; margin-bottom: 1.5rem; }
h3 { font-size: 1.25rem; margin-bottom: .75rem; color: var(--orange); }

p, li { color: var(--grey); }

/* Bandeau hero */
.hero {
  text-align: center;
  padding: 6rem 1rem 5rem;
  background: #000; /* noir profond pour contraster avec l’orange */
  color: #fff;
}
.logo { width: 230px; max-width: 80%; height: auto; margin-bottom: 1.5rem; }
.tagline { font-size: 1.625rem; font-weight: 500; margin-bottom: 2rem; }

.cta {
  display: inline-block;
  background: var(--orange);
  color: #fff;
  padding: .75rem 1.5rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  transition: background .2s;
}
.cta:hover { background: #e34d00; }
.cta.small { font-size: .875rem; padding: .5rem 1.25rem; }

/* Grid services */
.grid {
  display: grid;
  gap: 2rem;
}
@media (min-width: 700px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
}

/* Certifications */
.certif {
  background: #fff7f2;
  border-left: 4px solid var(--orange);
  padding: 1rem 1.25rem;
  margin-top: 1.5rem;
  border-radius: var(--radius);
}

/* Formulaire */
form { max-width: 600px; margin: 0 auto; }
.field { margin-bottom: 1rem; }
label { display: block; margin-bottom: .25rem; font-weight: 500; }
input, textarea {
  width: 100%;
  padding: .65rem;
  border: 1px solid #ccc;
  border-radius: var(--radius);
  font-family: inherit;
}
input:focus, textarea:focus { border-color: var(--orange); outline: none; }

/* Contact info */
.contact-info { margin-top: 1.5rem; color: var(--grey); }

/* Footer */
footer {
  background: #111;
  color: #aaa;
  text-align: center;
  padding: 2rem 1rem;
  font-size: .875rem;
}