/* ============================================================
   Footer — css/components/footer.css
   ============================================================ */

#footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 48px 0 24px;
    margin-top: 80px;
    position: relative;
}

/* Ligne accent */
#footer::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent 0%,
        var(--color-primary) 25%,
        var(--color-secondary) 75%,
        transparent 100%
    );
}

.footer-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 32px;
}

/* ── Grid ─────────────────────────────────────────────── */
.footer-grid {
    display: grid;
    grid-template-columns: 2.2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
    align-items: start;
}

/* ── Logo ─────────────────────────────────────────────── */
.footer-logo {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.footer-logo .logo-accent {
    font-family: var(--font-heading, 'Space Grotesk', sans-serif);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -1px;
    line-height: 1;
}

.footer-logo .logo-name {
    font-size: 0.86rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.footer-tagline {
    font-size: 0.83rem;
    line-height: 1.9;
    color: var(--text-secondary);
    max-width: 300px;
    margin-bottom: 18px;
}

/* ── Infra badges ─────────────────────────────────────── */
.footer-infra {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 20px;
}

.infra-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.70rem;
    font-family: var(--font-mono, monospace);
    color: var(--text-muted);
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-color);
    padding: 4px 10px;
    border-radius: 99px;
    transition: all 0.2s;
    white-space: nowrap;
}

.infra-badge i {
    font-size: 0.62rem;
    color: var(--color-primary);
}

.infra-badge:hover {
    border-color: var(--border-hover);
    color: var(--color-primary);
}

/* ── Icônes sociales ──────────────────────────────────── */
.footer-social {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.social-icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.92rem;
    text-decoration: none;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    background: transparent;
    transition: all 0.22s ease;
}

.social-icon:hover {
    transform: translateY(-3px);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 6px 18px rgba(0,0,0,0.3);
}

/* Couleurs marque */
.si-whatsapp:hover  { background: #25D366; }
.si-email:hover     { background: var(--color-primary); color: #fff; }
.si-github:hover    { background: #24292E; }
.si-linkedin:hover  { background: #0A66C2; }
.si-facebook:hover  { background: #1877F2; }
.si-messenger:hover { background: #0084FF; }
.si-telegram:hover  { background: #26A5E4; }
.si-arduino:hover   { background: #00979D; }
.si-matomo:hover    { background: #3152A0; }

/* ── Colonnes nav ─────────────────────────────────────── */
.footer-col-title {
    font-size: 0.70rem;
    font-weight: 700;
    letter-spacing: 1.8px;
    text-transform: uppercase;
    color: var(--text-primary);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 7px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.footer-col-title i {
    color: var(--color-primary);
    font-size: 0.78rem;
}

.footer-col a {
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: 0.83rem;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 5px 0;
    border-left: 2px solid transparent;
    padding-left: 0;
    transition: all 0.2s ease;
    line-height: 1.4;
}

.footer-col a i {
    font-size: 0.72rem;
    width: 14px;
    text-align: center;
    color: var(--text-muted);
    flex-shrink: 0;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: var(--color-primary);
    padding-left: 8px;
    border-left-color: var(--color-primary);
}

.footer-col a:hover i { color: var(--color-primary); }

/* Stack items */
.stack-item {
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: 0.79rem;
    font-family: var(--font-mono, monospace);
    color: var(--text-muted);
    padding: 4px 0;
    line-height: 1.4;
}

.stack-item i {
    font-size: 0.72rem;
    width: 14px;
    text-align: center;
    color: var(--color-secondary);
    flex-shrink: 0;
}

/* ── Divider ──────────────────────────────────────────── */
.footer-divider {
    height: 1px;
    background: var(--border-color);
    margin-bottom: 20px;
}

/* ── Barre du bas ─────────────────────────────────────── */
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
}

.footer-copy {
    font-size: 0.76rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0;
}

.footer-copy i { font-size: 0.70rem; }

/* ── Langues footer ───────────────────────────────────── */
.footer-langs {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.lang-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.70rem;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 99px;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    background: transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    letter-spacing: 0.5px;
    line-height: 1;
}

.lang-pill:hover {
    border-color: var(--border-hover);
    color: var(--text-secondary);
    background: rgba(255,255,255,0.04);
}

.lang-pill.active {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(255,255,255,0.06);
}

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 1100px) {
    .footer-grid {
        grid-template-columns: 1.8fr 1fr 1fr;
        gap: 32px;
    }
    .footer-grid .footer-col:last-child {
        grid-column: 2 / 4;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0 16px;
    }
    .footer-grid .footer-col:last-child .footer-col-title {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .footer-inner { padding: 0 20px; }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 28px;
    }
    .footer-brand { grid-column: 1 / -1; }
    .footer-grid .footer-col:last-child {
        grid-column: auto;
        display: block;
    }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
    .footer-grid { grid-template-columns: 1fr; }
    .footer-social { gap: 6px; }
    .social-icon { width: 36px; height: 36px; font-size: 0.85rem; }
    .lang-pill { padding: 4px 10px; }
}