:root {
    --primary: #00132a;
    --primary-container: #152840;
    --on-primary: #ffffff;

    --surface-container-lowest: #ffffff;
    --surface: #f9f9f9;
    --surface-container-low: #f3f3f3;
    --surface-container: #eeeeee;
    --on-surface: #1a1c1c;

    --outline-variant: rgba(26, 28, 28, 0.15);

    --radius-md: 0.75rem;
    --radius-xl: 0.95rem;

    --space-3: 1rem;
    --space-10: 3.5rem;
    --space-12: 4rem;
    --space-20: 7rem;

    --shadow-float: 0 20px 40px rgba(26, 28, 28, 0.04);
    
    /* Variáveis de Transição Premium */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-bounce: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Acessibilidade: Skip Link */
.skip-link {
    position: absolute;
    top: -100px;
    left: 1.5rem;
    background: var(--primary-container);
    color: var(--on-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    font-weight: 600;
    z-index: 9999;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: top var(--transition-fast);
}

.skip-link:focus-visible {
    top: 0;
    outline: 2px solid var(--on-primary);
    outline-offset: -4px;
}

/* Foco Acessível Global */
:focus-visible {
    outline: 2px solid var(--primary-container);
    outline-offset: 4px;
}

/* Respeito a Prefers Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    ::before,
    ::after {
        animation-delay: -1ms !important;
        animation-duration: 1ms !important;
        animation-iteration-count: 1 !important;
        background-attachment: initial !important;
        scroll-behavior: auto !important;
        transition-duration: 0s !important;
        transition-delay: 0s !important;
    }
    .reveal-on-scroll {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
}

* {
    box-sizing: border-box;
}

[hidden] {
    display: none !important;
}

html,
body {
    height: 100%;
}

body {
    margin: 0;
    font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    color: var(--on-surface);
    background: var(--surface);
}

a {
    color: inherit;
    text-decoration: none;
}

/* Scroll Reveal classes */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-normal), transform var(--transition-normal);
    will-change: opacity, transform;
}

.reveal-on-scroll.reveal-in {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 80ms; }
.reveal-delay-2 { transition-delay: 160ms; }
.reveal-delay-3 { transition-delay: 240ms; }
.reveal-delay-4 { transition-delay: 320ms; }

.container {
    width: min(1120px, calc(100% - 2 * var(--space-3)));
    margin: 0 auto;
}

.section {
    padding: var(--space-20) 0;
}

.section__head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-10);
}

.section__title {
    font-family: Manrope, Inter, system-ui, sans-serif;
    font-weight: 700;
    font-size: clamp(1.75rem, 1.1rem + 1.6vw, 2.35rem);
    letter-spacing: -0.02em;
    margin: 0;
    text-wrap: balance;
}

.section__kicker {
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    opacity: 0.7;
}

.grid {
    display: grid;
    gap: var(--space-3);
}

.grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-xl);
    padding: calc(var(--space-10) / 2);
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    transition: transform var(--transition-bounce), box-shadow var(--transition-bounce), border-color var(--transition-fast);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 32px rgba(0, 19, 42, 0.06);
    border-color: rgba(0, 19, 42, 0.08);
}

.card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-md);
    background: var(--surface-container);
    color: var(--primary);
    margin-bottom: 1.25rem;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.card__icon svg {
    width: 1.5rem;
    height: 1.5rem;
    stroke-width: 2px;
}

.card:hover .card__icon {
    background-color: var(--primary);
    color: var(--on-primary);
}

.card__title {
    font-family: Manrope, Inter, system-ui, sans-serif;
    font-weight: 700;
    margin: 0 0 0.75rem 0;
}

.card__text {
    margin: 0;
    line-height: 1.6;
    opacity: 0.9;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 999px;
    padding: 0.75rem 1.35rem;
    font-weight: 600;
    font-size: 0.95rem;
    border: 0;
    cursor: pointer;
    transition: transform var(--transition-bounce), background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-bounce);
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(1px);
}

.btn--primary {
    color: var(--on-primary);
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    box-shadow: 0 4px 12px rgba(0, 19, 42, 0.15);
}

.btn--primary:hover {
    background: linear-gradient(135deg, var(--primary-container), var(--primary));
    box-shadow: 0 6px 18px rgba(0, 19, 42, 0.25);
}

.btn--secondary {
    color: var(--primary);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 19, 42, 0.15);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.btn--secondary:hover {
    background: rgba(255, 255, 255, 1);
    border-color: rgba(0, 19, 42, 0.3);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
}

.btn--tertiary {
    color: var(--primary);
    background: transparent;
    text-decoration: none;
    border-bottom: 2px solid var(--primary);
    border-radius: 0;
    padding: 0.2rem 0;
}

.btn--tertiary:hover {
    border-bottom-color: transparent;
    transform: translateY(-1px);
}

.header {
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(249, 249, 249, 0.7);
    backdrop-filter: blur(20px);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    gap: var(--space-3);
}

.brand {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    font-family: Manrope, Inter, system-ui, sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.brand__logo {
    display: block;
    height: 4.5rem;
    width: auto;
    object-fit: contain;
}

.brand__mark {
    display: inline-flex;
    width: 2.1rem;
    height: 2.1rem;
    border-radius: 0.85rem;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: var(--on-primary);
}

.brand__text {
    font-size: 1.05rem;
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.nav__links {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav__link {
    font-size: 0.95rem;
    opacity: 0.8;
    position: relative;
    padding: 0.25rem 0;
    transition: opacity var(--transition-fast), color var(--transition-fast);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-normal);
}

.nav__link--active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav__link--active,
.nav__link:hover {
    opacity: 1;
}

.nav__link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.lang {
    display: flex;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 999px;
    padding: 0.25rem;
    border: 1px solid rgba(0, 19, 42, 0.12);
}

.lang__link {
    padding: 0.4rem 0.75rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.8rem;
    opacity: 0.7;
    transition: opacity var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
}

.lang__link--active {
    background: rgba(0, 19, 42, 0.08);
    opacity: 1;
}

.lang__link:hover {
    opacity: 1;
    background: rgba(0, 19, 42, 0.04);
}

.lang__link--active:hover {
    background: rgba(0, 19, 42, 0.08);
}

.nav-toggle {
    display: none;
}

.footer {
    background: #000c1b;
    color: rgba(255, 255, 255, 0.7);
    padding: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    font-family: Inter, system-ui, sans-serif;
}

/* 1. CTA Banner Superior */
.footer__cta-banner {
    background: linear-gradient(135deg, #00132a 0%, #0c213a 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: var(--space-10) 0;
    position: relative;
    overflow: hidden;
}

.footer__cta-banner::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
    pointer-events: none;
}

.footer__cta-inner {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

@media (min-width: 768px) {
    .footer__cta-inner {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 4rem;
    }
}

.footer__cta-content {
    max-width: 65ch;
}

.footer__cta-title {
    font-family: Manrope, Inter, sans-serif;
    color: #ffffff;
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
    position: relative;
    padding-bottom: 0;
}

.footer__cta-title::after {
    display: none;
}

.footer__cta-desc {
    color: rgba(255, 255, 255, 0.65);
    font-size: 1rem;
    line-height: 1.6;
    margin: 0;
}

.footer__cta-actions {
    flex-shrink: 0;
}

/* Botão de Ação do Footer */
.btn--footer-action {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: #ffffff;
    color: #00132a;
    font-weight: 700;
    font-size: 0.95rem;
    padding: 1.05rem 2rem;
    border-radius: var(--radius-md);
    border: 1px solid #ffffff;
    transition: transform var(--transition-normal), background var(--transition-fast), box-shadow var(--transition-normal);
    text-decoration: none;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn--footer-action:hover {
    background: #f3f3f3;
    transform: translateY(-3px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

.btn--footer-action .btn-icon {
    transition: transform var(--transition-normal);
}

.btn--footer-action:hover .btn-icon {
    transform: translateX(4px);
}

/* 2. Grid Central do Footer */
.footer__main {
    padding: var(--space-12) 0;
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 768px) {
    .footer__grid {
        grid-template-columns: 1.4fr 0.8fr 1.2fr;
        gap: 4rem;
    }
}

/* Coluna Brand */
.footer__col-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer__logo {
    font-family: Manrope, Inter, sans-serif;
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.footer__logo-cn {
    color: #ffffff;
}

.footer__logo-mercosul {
    color: rgba(255, 255, 255, 0.7);
    font-weight: 400;
}

.footer__tagline {
    font-size: 0.95rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.5);
    margin: 0 0 2rem 0;
    max-width: 35ch;
}

/* Coluna Navegação */
.footer__title {
    font-family: Manrope, Inter, sans-serif;
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #ffffff;
    margin-bottom: 1.75rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer__title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 1.5rem;
    height: 2px;
    background: rgba(255, 255, 255, 0.2);
}

.footer__links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.footer__link {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: color var(--transition-fast), transform var(--transition-normal);
    display: inline-block;
}

.footer__link:hover {
    color: #ffffff;
    transform: translateX(6px);
}

/* Coluna Contatos */
.footer__col-contacts {
    display: flex;
    flex-direction: column;
}

.footer__contact-items {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.footer__contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
}

.footer__contact-item .contact-icon {
    color: rgba(255, 255, 255, 0.35);
    flex-shrink: 0;
}

.footer__contact-link {
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
    transition: color var(--transition-fast);
    font-weight: 500;
}

.footer__contact-link:hover {
    color: #ffffff;
}

.contact-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.35);
    font-weight: 600;
    margin-left: 0.25rem;
}

/* Escritórios */
.footer__offices {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.footer__office {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    font-size: 0.85rem;
    line-height: 1.5;
}

.footer__office strong {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 600;
}

.footer__office span {
    color: rgba(255, 255, 255, 0.45);
}

/* 3. Barra de Copyright */
.footer__bottom {
    background: #000812;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding: 1.5rem 0;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.35);
}

.footer__bottom-inner {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    text-align: center;
}

@media (min-width: 768px) {
    .footer__bottom-inner {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        text-align: left;
    }
}

.footer__bottom-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.footer__bilateral-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #009b3a;
    position: relative;
    display: inline-block;
}

.footer__bilateral-dot::after {
    content: '';
    position: absolute;
    top: 0;
    left: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #d52b1e;
}

.bullets {
    list-style: none;
    margin: 1.5rem 0;
    padding: 0;
    display: grid;
    gap: 0.75rem;
}

.bullets li {
    background: rgba(255, 255, 255, 0.75);
    padding: 0.9rem 1rem;
    border-radius: var(--radius-md);
}

.bullets--icon li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.bullet__icon {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: var(--radius-md);
    background: rgba(0, 19, 42, 0.08);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
}

.bullet__icon svg {
    width: 1.25rem;
    height: 1.25rem;
}

.bullet__text {
    line-height: 1.5;
}

.bullets--grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.notice {
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-bottom: 1rem;
}

.notice--success {
    background: rgba(0, 19, 42, 0.08);
}

.notice__title {
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.form {
    display: grid;
    gap: 1rem;
}

.field {
    display: grid;
    gap: 0.4rem;
}

.field__label {
    font-weight: 600;
    font-size: 0.9rem;
}

.field__input {
    border: 1px solid rgba(0, 19, 42, 0.08);
    border-radius: var(--radius-md);
    padding: 0.85rem 1.1rem;
    background: var(--surface-container-low);
    font: inherit;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-normal);
}

.field__input:focus {
    background: var(--surface-container-lowest);
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 19, 42, 0.08);
    outline: none;
}

.field__input:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.field__input--textarea {
    resize: vertical;
}

.quote {
    margin: 0;
    padding: 0;
    font-family: Manrope, Inter, system-ui, sans-serif;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.01em;
}

.final {
    background: var(--primary);
    color: var(--on-primary);
}

.final__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
}

.final__title {
    margin: 0;
    font-family: Manrope, Inter, system-ui, sans-serif;
    font-weight: 700;
    font-size: clamp(1.6rem, 1rem + 1.8vw, 2.3rem);
    max-width: 26ch;
}

.final__actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.u-mt-3 {
    margin-top: 1rem;
}

.u-mt-4 {
    margin-top: 1.5rem;
}

.u-maxw-55 {
    max-width: 55ch;
}

.u-opacity-90 {
    opacity: 0.9;
}

@media (max-width: 980px) {
    .grid--3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .grid--4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .footer__cols {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .grid--2,
    .grid--3,
    .grid--4,
    .bullets--grid {
        grid-template-columns: 1fr;
    }

    .nav-toggle {
        display: inline-flex;
        flex-direction: column;
        gap: 0.35rem;
        background: transparent;
        border: 0;
        padding: 0.5rem;
    }

    .nav-toggle__bar {
        width: 1.6rem;
        height: 2px;
        background: var(--on-surface);
        border-radius: 999px;
    }

    .nav {
        position: absolute;
        left: 0;
        right: 0;
        top: 100%;
        background: rgba(249, 249, 249, 0.94);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: stretch;
        padding: 1rem;
        transform-origin: top;
        display: none;
    }

    .nav.is-open {
        display: flex;
    }

    .nav__links {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .nav__actions {
        justify-content: space-between;
        margin-top: 1rem;
    }

    .final__inner {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Spinner para botões em carregamento */
.btn-spinner {
    display: inline-block;
    width: 0.9rem;
    height: 0.9rem;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    vertical-align: middle;
    margin-right: 0.35rem;
    animation: btn-rotate 0.75s linear infinite;
}

@keyframes btn-rotate {
    to { transform: rotate(360deg); }
}