/* ============================================
   JBS CONSULTATION — SHARED COMPONENTS
   Nav, buttons, footer, page header
   ============================================ */

/* ---- NAVIGATION ---- */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 1.5rem 0;
    transition: all 0.6s var(--ease-cinema);
    background-color: transparent;
}
.nav.scrolled {
    padding: 1rem 0;
    background-color: rgba(14, 15, 13, 0.82);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--rule-light);
}
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 0.875rem; }
.nav-logo svg { height: 36px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 2.75rem; }
.nav-links a {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-secondary);
    transition: color 0.3s var(--ease-cinema);
    position: relative;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -6px; left: 0;
    width: 0; height: 1px;
    background-color: var(--brass);
    transition: width 0.4s var(--ease-cinema);
}
.nav-links a:hover { color: var(--brass-bright); }
.nav-links a:hover::after { width: 100%; }
.nav-cta { display: flex; align-items: center; gap: 1.25rem; }
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 4px;
}
.nav-toggle span {
    display: block;
    width: 24px; height: 1px;
    background-color: var(--text-primary);
    transition: all 0.3s var(--ease-out);
}

/* ---- BUTTONS ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1.125rem 0;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.8125rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-primary);
    border: none;
    background: none;
    border-bottom: 1px solid var(--rule-medium);
    transition: color 0.4s var(--ease-cinema);
    cursor: pointer;
}
.btn::after {
    content: '→';
    font-size: 1rem;
    transition: transform 0.4s var(--ease-cinema);
}
.btn:hover {
    color: var(--brass-bright);
    border-bottom-color: var(--brass);
}
.btn:hover::after { transform: translateX(8px); }

.btn--dark {
    color: var(--text-dark);
    border-bottom-color: var(--rule-dark);
}
.btn--dark:hover {
    color: var(--emerald);
    border-bottom-color: var(--emerald);
}

.btn-solid {
    display: inline-flex;
    align-items: center;
    gap: 0.875rem;
    padding: 1.0625rem 2rem;
    background-color: var(--brass);
    color: var(--ink);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.8125rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: all 0.4s var(--ease-cinema);
}
.btn-solid::after {
    content: '→';
    transition: transform 0.4s var(--ease-cinema);
}
.btn-solid:hover {
    background-color: var(--brass-bright);
    transform: translateY(-2px);
    box-shadow: 0 16px 40px rgba(199, 154, 107, 0.25);
}
.btn-solid:hover::after { transform: translateX(5px); }

/* ---- PAGE HEADER (subpages) ---- */
.page-header {
    padding: calc(var(--space-2xl) + 4rem) 0 var(--space-xl);
    background-color: var(--ink);
    border-bottom: 1px solid var(--rule-light);
}
.page-header .eyebrow { margin-bottom: var(--space-md); }
.page-header .display { max-width: 1100px; }
.page-header .body-lg {
    margin-top: var(--space-lg);
    max-width: 640px;
}

/* ---- FOOTER ---- */
.footer {
    padding: var(--space-xl) 0 var(--space-lg);
    background-color: var(--ink-2);
    border-top: 1px solid var(--rule-light);
}
.footer-top {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr;
    gap: var(--space-lg);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--rule-light);
}
.footer-brand .body-sm {
    color: var(--text-tertiary);
    max-width: 320px;
    margin-top: var(--space-md);
}
.footer-column h4 {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.6875rem;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--brass);
    margin-bottom: var(--space-md);
}
.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}
.footer-column a {
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: color 0.3s var(--ease-cinema);
}
.footer-column a:hover { color: var(--brass-bright); }
.footer-bottom {
    padding-top: var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
}
.footer-bottom .body-sm { color: var(--text-tertiary); }
.footer-group-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    font-family: var(--font-heading);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-secondary);
}
.footer-group-tag .dot {
    width: 5px; height: 5px;
    background-color: var(--brass);
    border-radius: 50%;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1100px) {
    .footer-top { grid-template-columns: 1fr 1fr 1fr; }
}

@media (max-width: 900px) {
    .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-toggle { display: flex; }
    .nav-cta .btn { display: none; }
    .footer-top { grid-template-columns: 1fr; gap: var(--space-lg); }
    .footer-bottom { flex-direction: column; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}