/* Page publique "Développeur" (pages/developer.php) : feuille de style
   AUTONOME, indépendante de public/css/style.css. Palette : fond #F7F6F2,
   texte/titres #171A1C, accent #2BBF9A, bordures #DDE1DF. Manrope (titres)
   + Inter (texte). */

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background-color: #F7F6F2;
    color: #171A1C;
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    font-size: 1rem;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
    font-family: 'Manrope', 'Inter', system-ui, sans-serif;
    color: #171A1C;
    line-height: 1.15;
    margin: 0;
}

a {
    color: inherit;
}

.dv-conteneur {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

section[id] {
    scroll-margin-top: 1rem;
}

/* ---------- En-tête ---------- */
.dv-entete {
    border-bottom: 1px solid #DDE1DF;
}

.dv-entete-interieur {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 1.1rem;
    padding-bottom: 1.1rem;
}

.dv-marque {
    font-family: 'Manrope', sans-serif;
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
    text-decoration: none;
}

.dv-marque span {
    color: #2BBF9A;
}

.dv-nav {
    display: flex;
    gap: 1.75rem;
}

.dv-nav a {
    font-weight: 500;
    font-size: 0.95rem;
    text-decoration: none;
    padding: 0.25rem 0;
    border-bottom: 2px solid transparent;
}

.dv-nav a:hover,
.dv-nav a:focus-visible {
    border-bottom-color: #2BBF9A;
}

/* ---------- Hero ---------- */
.dv-hero {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

.dv-hero h1 {
    font-weight: 700;
    font-size: clamp(2.3rem, 6vw, 4rem);
    letter-spacing: -0.03em;
    max-width: 16ch;
}

.dv-hero p {
    margin: 1.5rem 0 2.25rem;
    max-width: 38rem;
    font-size: 1.2rem;
    color: #3d4448;
}

.dv-bouton {
    display: inline-block;
    padding: 0.85rem 1.6rem;
    border-radius: 8px;
    background-color: #2BBF9A;
    color: #171A1C;
    font-weight: 500;
    text-decoration: none;
    border: 1px solid #2BBF9A;
}

.dv-bouton:hover,
.dv-bouton:focus-visible {
    background-color: #171A1C;
    border-color: #171A1C;
    color: #F7F6F2;
}

/* ---------- À propos ---------- */
.dv-apropos {
    padding-top: 4rem;
    padding-bottom: 4rem;
    border-top: 1px solid #DDE1DF;
}

.dv-titre-section {
    font-weight: 700;
    font-size: 1.6rem;
    letter-spacing: -0.02em;
    margin-bottom: 1.25rem;
}

.dv-apropos p {
    margin: 0;
    max-width: 44rem;
    font-size: 1.1rem;
}

/* ---------- Services ---------- */
.dv-services {
    padding-top: 4rem;
    padding-bottom: 5rem;
    border-top: 1px solid #DDE1DF;
}

.dv-grille {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.dv-carte {
    background-color: #fff;
    border: 1px solid #DDE1DF;
    border-radius: 12px;
    padding: 1.75rem;
}

.dv-carte h3 {
    font-weight: 600;
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.dv-carte h3::before {
    content: '';
    display: block;
    width: 2rem;
    height: 3px;
    background-color: #2BBF9A;
    margin-bottom: 1rem;
}

.dv-carte p {
    margin: 0;
    color: #3d4448;
}

/* ---------- Contact ---------- */
.dv-contact {
    background-color: #2BBF9A;
    color: #171A1C;
    padding-top: 5rem;
    padding-bottom: 5rem;
}

.dv-contact h2 {
    font-weight: 700;
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.dv-contact p {
    margin: 0 0 2rem;
    max-width: 40rem;
    font-size: 1.15rem;
}

.dv-contact-email {
    display: inline-block;
    padding: 0.95rem 1.8rem;
    border-radius: 8px;
    background-color: #171A1C;
    color: #F7F6F2;
    font-family: 'Manrope', sans-serif;
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    overflow-wrap: anywhere;
}

.dv-contact-email:hover,
.dv-contact-email:focus-visible {
    background-color: #F7F6F2;
    color: #171A1C;
}

/* ---------- Pied de page ---------- */
.dv-pied {
    padding-top: 1.75rem;
    padding-bottom: 1.75rem;
    font-size: 0.9rem;
    color: #5d6669;
}

.dv-pied a {
    text-decoration: none;
    border-bottom: 1px solid #DDE1DF;
}

.dv-pied a:hover,
.dv-pied a:focus-visible {
    color: #171A1C;
    border-bottom-color: #2BBF9A;
}

/* ---------- Mobile ---------- */
@media (max-width: 768px) {
    .dv-hero {
        padding-top: 3.5rem;
        padding-bottom: 3.5rem;
    }

    .dv-grille {
        grid-template-columns: 1fr;
    }

    .dv-nav {
        gap: 1.1rem;
    }

    .dv-contact {
        padding-top: 3.5rem;
        padding-bottom: 3.5rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}