/* ============================================================
   ADP — Ateliers de Paul | CSS Partagé
   Variables, base, utilitaires, navbar, footer
   ============================================================ */

/* ── 1a · Variables ───────────────────────────────────────── */
:root {
    /* Couleurs ADP */
    --adp-blue:        #1E73D8;
    --adp-blue-dark:   #0B2F5B;
    --adp-blue-light:  #3B8EE8;
    --adp-blue-rgb:    30, 115, 216;

    --adp-black:       #111827;
    --adp-gray-text:   #4B5563;
    --adp-gray-muted:  #6B7280;
    --adp-gray-light:  #F3F6FA;
    --adp-border:      rgba(0, 0, 0, 0.09);
    --adp-white:       #FFFFFF;

    /* Surface & fond */
    --adp-bg:          var(--adp-white);
    --adp-surface:     var(--adp-gray-light);

    /* Typographie */
    --adp-font-heading: 'Outfit', sans-serif;
    --adp-font-body:    'Inter', sans-serif;

    /* Transitions */
    --adp-transition-fast: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --adp-transition-mid:  all 0.4s  cubic-bezier(0.4, 0, 0.2, 1);
    --adp-transition-slow: all 0.6s  cubic-bezier(0.22, 1, 0.36, 1);

    /* Mise en page */
    --adp-container:   1400px;
    --adp-nav-height:  80px;
    --adp-radius:      6px;
    --adp-radius-lg:   12px;

    /* Ombres */
    --adp-shadow-sm:   0 1px 4px rgba(0,0,0,0.08);
    --adp-shadow-md:   0 4px 20px rgba(0,0,0,0.10);
    --adp-shadow-lg:   0 12px 40px rgba(0,0,0,0.12);
}

/* ── 1b · Reset & Base ────────────────────────────────────── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    background-color: var(--adp-bg);
}

body {
    font-family: var(--adp-font-body);
    color: var(--adp-black);
    background-color: var(--adp-bg);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--adp-transition-fast);
}

ul { list-style: none; }
img { max-width: 100%; display: block; }
section { padding: 7rem 0; }

/* ── 1b · Typographie ─────────────────────────────────────── */
h1, h2, h3, h4, h5 {
    font-family: var(--adp-font-heading);
    font-weight: 700;
    line-height: 1.15;
    color: var(--adp-black);
}

.adp-label {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--adp-blue);
}

.adp-label::before {
    content: '';
    display: block;
    width: 32px;
    height: 1px;
    background: var(--adp-blue);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    letter-spacing: -0.02em;
    margin-bottom: 1.25rem;
}

.section-subtitle {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    color: var(--adp-gray-text);
    font-weight: 400;
    max-width: 680px;
    line-height: 1.7;
}

.text-gradient {
    background: linear-gradient(135deg, var(--adp-blue-dark) 0%, var(--adp-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── 1b · Conteneur ───────────────────────────────────────── */
.adp-container {
    max-width: var(--adp-container);
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 4vw, 4rem);
}

/* ── 1b · Boutons ─────────────────────────────────────────── */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--adp-blue);
    color: var(--adp-white);
    padding: 0.9rem 2rem;
    border-radius: var(--adp-radius);
    font-family: var(--adp-font-body);
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    border: 2px solid var(--adp-blue);
    transition: var(--adp-transition-mid);
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--adp-blue-dark);
    border-color: var(--adp-blue-dark);
    transform: translateY(-2px);
    box-shadow: var(--adp-shadow-md);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: transparent;
    color: var(--adp-blue);
    padding: 0.9rem 2rem;
    border-radius: var(--adp-radius);
    font-family: var(--adp-font-body);
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    border: 2px solid var(--adp-blue);
    transition: var(--adp-transition-mid);
    cursor: pointer;
}

.btn-outline:hover {
    background: var(--adp-blue);
    color: var(--adp-white);
    transform: translateY(-2px);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--adp-blue);
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    transition: var(--adp-transition-fast);
    cursor: pointer;
}

.btn-ghost:hover { gap: 0.85rem; }

/* ── 1b · Animations ──────────────────────────────────────── */
.fade-in-up {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── 1b · Cursor personnalisé ─────────────────────────────── */
* { cursor: none; }

.adp-cursor {
    width: 8px;
    height: 8px;
    background: var(--adp-blue);
    border-radius: 50%;
    position: fixed;
    top: 0; left: 0;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s, opacity 0.3s;
}

.adp-cursor-follower {
    width: 36px;
    height: 36px;
    border: 1.5px solid var(--adp-blue);
    border-radius: 50%;
    position: fixed;
    top: 0; left: 0;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s, opacity 0.3s, border-color 0.3s;
}

/* ── 1c · Navbar ──────────────────────────────────────────── */
.adp-navbar {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: var(--adp-nav-height);
    z-index: 1000;
    display: flex;
    align-items: center;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid #F3F6FA;
    transition: var(--adp-transition-mid);
    box-shadow: 0 1px 0 0 #F3F6FA;
}

.adp-navbar.scrolled {
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid #E8EDF3;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.adp-navbar .adp-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 100%;
    padding: 0 clamp(1.5rem, 4vw, 4rem);
}

/* Logo */
.adp-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    margin-right: 2.5rem;
    flex-shrink: 0;
}

.adp-logo-img {
    height: 110px;
    width: 280px;
    object-fit: contain;
    object-position: left center;
    display: block;
}

/* Legacy — cachés */
.adp-logo-mark { display: none; }
.adp-logo-wordmark { display: none; }
.adp-logo-text { display: none; }

/* Liens nav */
.adp-nav-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    justify-content: center;
}

.adp-nav-item {
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--adp-gray-text);
    padding: 0.55rem 1rem;
    border-radius: var(--adp-radius);
    transition: var(--adp-transition-fast);
    position: relative;
    white-space: nowrap;
}

.adp-nav-item:hover {
    color: var(--adp-blue);
    background: rgba(30,115,216,0.06);
}

.adp-nav-item.active {
    color: #1558B0;
    font-weight: 700;
    background: transparent;
}

.adp-nav-item.active::after {
    content: '';
    position: absolute;
    bottom: 1px;
    left: 1rem;
    right: 1rem;
    height: 3px;
    background: var(--adp-blue);
    border-radius: 2px;
}

/* Dropdown pôles */
.adp-nav-dropdown {
    position: relative;
}

.adp-nav-dropdown > .adp-nav-item::after {
    content: '▾';
    margin-left: 4px;
    font-size: 0.7rem;
}

.adp-dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    background: var(--adp-white);
    border: 1px solid var(--adp-border);
    border-radius: var(--adp-radius-lg);
    box-shadow: var(--adp-shadow-lg);
    min-width: 220px;
    padding: 0.5rem;
    z-index: 200;
}

.adp-nav-dropdown:hover .adp-dropdown-menu { display: block; }

.adp-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 1rem;
    border-radius: var(--adp-radius);
    font-size: 0.85rem;
    color: var(--adp-gray-text);
    transition: var(--adp-transition-fast);
}

.adp-dropdown-item:hover {
    background: var(--adp-surface);
    color: var(--adp-blue);
}

.adp-dropdown-item .di-icon {
    width: 28px;
    height: 28px;
    background: rgba(30,115,216,0.1);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: var(--adp-blue);
    flex-shrink: 0;
}

/* CTA nav */
.adp-nav-cta {
    margin-left: 1.5rem;
    flex-shrink: 0;
    padding: 0.65rem 1.4rem;
    line-height: 1.4;
    box-shadow: 0 2px 8px rgba(30,115,216,0.18);
}

/* Hamburger mobile */
.adp-menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
}

.adp-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--adp-black);
    margin: 5px 0;
    transition: var(--adp-transition-fast);
}

/* ── Responsive navbar ────────────────────────────────────── */
@media (max-width: 900px) {
    .adp-nav-links { display: none; }
    .adp-nav-cta   { display: none; }
    .adp-menu-toggle { display: block; }

    .adp-nav-links.open {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        position: fixed;
        top: var(--adp-nav-height);
        left: 0;
        width: 100%;
        background: var(--adp-white);
        padding: 1.5rem 1.5rem 2rem;
        border-bottom: 1px solid var(--adp-border);
        box-shadow: 0 8px 24px rgba(0,0,0,0.10);
        gap: 0.15rem;
        z-index: 999;
    }

    /* Lien contact visible dans le menu mobile ouvert */
    .adp-nav-links.open ~ .adp-nav-cta {
        display: none;
    }

    .adp-nav-links.open .adp-nav-item {
        width: 100%;
        padding: 0.75rem 1rem;
        font-size: 0.88rem;
    }

    .adp-dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        padding-left: 1rem;
        background: transparent;
    }
    .adp-nav-dropdown:hover .adp-dropdown-menu { display: none; }
    .adp-nav-dropdown.open .adp-dropdown-menu  { display: block; }

    /* Bouton contact en bas du menu mobile */
    .adp-nav-links.open::after {
        content: none;
    }
}

/* ── 1d · Footer ──────────────────────────────────────────── */
.adp-footer {
    background: var(--adp-blue-dark);
    color: rgba(255,255,255,0.75);
    padding: 5rem 0 2rem;
}

.adp-footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

/* Colonne marque */
.adp-footer-brand {}

.adp-footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--adp-font-heading);
    font-weight: 900;
    font-size: 1.2rem;
    color: var(--adp-white);
    margin-bottom: 1.25rem;
}

.adp-footer-logo .adp-logo-mark {
    background: var(--adp-blue);
}

.adp-footer-tagline {
    font-size: 0.9rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.6);
    max-width: 280px;
    margin-bottom: 1.75rem;
}

.adp-footer-socials {
    display: flex;
    gap: 0.75rem;
}

.adp-social-link {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.6);
    font-size: 0.85rem;
    transition: var(--adp-transition-fast);
}

.adp-social-link:hover {
    border-color: var(--adp-blue);
    background: var(--adp-blue);
    color: var(--adp-white);
}

/* Colonnes liens */
.adp-footer-col h4 {
    font-family: var(--adp-font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--adp-white);
    margin-bottom: 1.25rem;
}

.adp-footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.adp-footer-links a {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.55);
    transition: var(--adp-transition-fast);
}

.adp-footer-links a:hover {
    color: var(--adp-white);
    padding-left: 4px;
}

/* Bas de footer */
.adp-footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.adp-footer-copy {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.4);
}

.adp-footer-legal {
    display: flex;
    gap: 1.5rem;
}

.adp-footer-legal a {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.4);
    transition: var(--adp-transition-fast);
}

.adp-footer-legal a:hover { color: rgba(255,255,255,0.8); }

/* Badge ONAC */
.adp-footer-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: rgba(255,255,255,0.35);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
}

.adp-footer-badge i { color: var(--adp-blue-light); }

/* ── Responsive footer ────────────────────────────────────── */
@media (max-width: 900px) {
    .adp-footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 560px) {
    .adp-footer-grid {
        grid-template-columns: 1fr;
    }
    .adp-footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}