/* ================================================
   HEADER & NAVBAR INSTITUCIONAL
   Design System v2.0 - Grid Alinhado + Hover Sutil
   ================================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--color-white);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    transition: box-shadow var(--transition-base);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    height: var(--header-height);
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    flex-shrink: 0;
}

.header-logo img {
    height: 50px;
    width: auto;
}

.header-logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.header-logo-text .brand-name {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.header-logo-text .brand-tagline {
    font-size: 0.65rem;
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Navigation */
.header-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    position: relative;
}

.nav-menu>li>a {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.875rem;
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--color-gray-800);
    text-decoration: none;
    border-radius: 0;
    transition: color var(--transition-base);
    position: relative;
}

.nav-menu>li>a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0.875rem;
    right: 0.875rem;
    height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.nav-menu>li>a:hover,
.nav-menu>li>a.active {
    color: var(--color-primary);
}

.nav-menu>li>a:hover::after,
.nav-menu>li>a.active::after {
    transform: scaleX(1);
}

.nav-menu>li>a i.fa-chevron-down {
    font-size: 0.625rem;
    margin-left: 0.125rem;
    opacity: 0.7;
    /* Sem rotação no hover - sobriedade institucional */
}

/* Dropdown Menu */
.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
    padding: 0.5rem 0;
    border: 1px solid var(--color-gray-200);
}

.nav-menu li:hover>.nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Remover rotação do ícone */
.nav-menu li:hover>a i.fa-chevron-down {
    /* Sem transformação - visual institucional sóbrio */
}

.nav-dropdown a {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.625rem 1rem;
    font-size: var(--fs-sm);
    color: var(--color-gray-700);
    text-decoration: none;
    transition: color var(--transition-base), background-color var(--transition-base);
}

.nav-dropdown a:hover {
    color: var(--color-primary);
    background: var(--color-gray-100);
    /* Sem padding-left extra no hover */
}

.nav-dropdown a i {
    font-size: 0.875rem;
    color: var(--color-primary);
    width: 20px;
    text-align: center;
    opacity: 0.8;
}

/* Header CTA Button */
.header-cta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-left: var(--spacing-sm);
}

.header-cta .btn {
    padding: 0.5rem 1.25rem;
    font-size: var(--fs-sm);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--color-gray-800);
    font-size: 1.25rem;
}

/* Mobile Styles */
@media (max-width: 1024px) {
    .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .header-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-white);
        flex-direction: column;
        align-items: stretch;
        padding: var(--spacing-md);
        gap: 0;
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        overflow-y: auto;
    }

    .header-nav.active {
        transform: translateX(0);
    }

    .nav-menu {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .nav-menu>li>a {
        padding: 1rem;
        font-size: 1.1rem;
        border-bottom: 1px solid var(--color-gray-200);
        border-radius: 0;
        justify-content: space-between;
    }

    /* Mobile Dropdown */
    .nav-dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        border-radius: 0;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-base);
        background: var(--color-gray-100);
    }

    .nav-menu li.dropdown-open>.nav-dropdown {
        max-height: 500px;
    }

    .nav-dropdown a {
        padding: 1rem 1rem 1rem 2.5rem;
        border-bottom: 1px solid var(--color-gray-200);
    }

    .header-cta {
        flex-direction: column;
        padding-top: 1rem;
        border-top: 1px solid var(--color-gray-200);
    }

    .header-cta .btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .header-container {
        height: 70px;
        padding: 0 1rem;
    }

    .header-nav {
        top: 70px;
    }

    .header-logo img {
        height: 45px;
    }

    .header-logo-text .brand-name {
        font-size: 1.25rem;
    }

    .header-logo-text .brand-tagline {
        display: none;
    }
}

/* Body padding to account for fixed header */
body {
    padding-top: 80px;
}

@media (max-width: 768px) {
    body {
        padding-top: 70px;
    }
}

/* ================================================
   FOOTER INSTITUCIONAL
   Design System v2.0 - Grid Alinhado
   ================================================ */
.footer-section {
    background: linear-gradient(180deg, var(--color-gray-900) 0%, #1a1a1a 100%);
    color: var(--color-white);
    padding-top: 0;
}

/* Newsletter Bar */
.newsletter-bar {
    background: var(--color-primary);
    padding: var(--spacing-lg) 0;
}

.newsletter-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.newsletter-content h3 {
    font-size: var(--fs-xl);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 0.125rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.newsletter-content p {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
    flex: 1;
    max-width: 450px;
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    font-size: var(--fs-sm);
    border: none;
    border-radius: var(--radius-md);
    background: var(--color-white);
    color: var(--color-dark);
}

.newsletter-form input::placeholder {
    color: var(--color-gray-500);
}

.newsletter-form button {
    padding: 0.75rem 1.25rem;
    background: var(--color-secondary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--fs-sm);
    cursor: pointer;
    transition: background-color var(--transition-base);
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.newsletter-form button:hover {
    background: var(--color-secondary-dark);
}

/* Footer Grid - 12 Column System */
.footer-grid {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: var(--spacing-xl) var(--container-padding) var(--spacing-lg);
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.footer-brand {
    padding-right: var(--spacing-md);
}

.footer-brand img {
    height: 50px;
    width: auto;
    margin-bottom: var(--spacing-sm);
}

.footer-brand p {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.footer-social {
    display: flex;
    gap: 0.5rem;
}

.footer-social a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    color: var(--color-white);
    font-size: 1rem;
    transition: background-color var(--transition-base);
}

.footer-social a:hover {
    background: var(--color-secondary);
    color: var(--color-white);
}

.footer-column h4 {
    font-size: var(--fs-base);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 2px;
    background: var(--color-secondary);
    border-radius: 1px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: var(--fs-sm);
    transition: color var(--transition-base);
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-links a i {
    font-size: 0.625rem;
    color: var(--color-secondary);
    opacity: 0.8;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--fs-sm);
}

.footer-contact li i {
    color: var(--color-secondary);
    font-size: 1rem;
    margin-top: 0.125rem;
    flex-shrink: 0;
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: var(--spacing-sm) 0;
}

.footer-bottom-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
}

.footer-bottom p {
    font-size: var(--fs-xs);
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
}

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-bottom-links a {
    font-size: var(--fs-xs);
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color var(--transition-base);
}

.footer-bottom-links a:hover {
    color: var(--color-white);
}

/* Footer Responsive */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .newsletter-container {
        flex-direction: column;
        text-align: center;
    }

    .newsletter-form {
        flex-direction: column;
        width: 100%;
        max-width: 100%;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .footer-column h4::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-social {
        justify-content: center;
    }

    .footer-links a {
        justify-content: center;
    }

    .footer-contact li {
        justify-content: center;
    }

    .footer-bottom-container {
        flex-direction: column;
        text-align: center;
    }

    .footer-bottom-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}