/* =========================================================
   Design tokens — Identidade ARCOMOC
   Cores inspiradas no logotipo e na bandeira de Moçambique:
   verde, vermelho, amarelo e preto
   ========================================================= */
:root {
    --color-green: #0a7a3e;
    --color-green-dark: #065c2e;
    --color-green-deeper: #044022;
    --color-red: #ce1126;
    --color-yellow: #fcd116;
    --color-yellow-dark: #d4a90f;
    --color-bg: #ffffff;
    --color-bg-alt: #f4f7f5;
    --color-text: #1a2420;
    --color-text-muted: #5a6660;
    --color-border: #e2e8e4;

    --font-display: 'Poppins', 'Segoe UI', sans-serif;
    --font-body: 'Inter', 'Segoe UI', sans-serif;

    --radius: 6px;
    --container: 1160px;
    --transition: 180ms ease;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    display: block;
}

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

h1, h2, h3, h4 {
    font-family: var(--font-display);
    color: var(--color-green-deeper);
    line-height: 1.2;
    margin: 0 0 .6em;
}

p {
    margin: 0 0 1em;
}

.container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: 24px;
}

/* Assinatura visual: régua amarela abaixo dos títulos de secção */
.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--color-green);
    margin-bottom: 10px;
}

.section-eyebrow::before {
    content: '';
    width: 22px;
    height: 3px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--color-yellow), var(--color-yellow-dark));
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 14px;
    padding: 12px 22px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--color-green);
    color: #fff;
}

.btn-primary:hover {
    background: var(--color-green-dark);
}

.btn-gold {
    background: var(--color-yellow);
    color: #1a2420;
}

.btn-gold:hover {
    background: var(--color-yellow-dark);
    color: #1a2420;
}

.btn-outline {
    background: transparent;
    border-color: rgba(255,255,255,.5);
    color: #fff;
}

.btn-outline:hover {
    background: rgba(255,255,255,.12);
}

/* =========================================================
   Header
   ========================================================= */

   .hero {
       position: relative;
       min-height: 700px;
       display: flex;
       align-items: center;
       overflow: hidden;
   }

   .hero::before {
       content: "";
       position: absolute;
       inset: 0;
       background:
           linear-gradient(rgba(0, 0, 0, .55), rgba(0, 0, 0, .55)),
           url('/images/background.png');
       background-size: cover;
       background-position: center;
       background-repeat: no-repeat;
       z-index: 0;
   }

   .hero .container {
       position: relative;
       z-index: 1;
   }
   
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-block: 12px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand img {
    height: 52px;
    width: auto;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 22px;
}

.main-nav a {
    font-family: var(--font-display);
    font-size: 13.5px;
    font-weight: 500;
    color: var(--color-text);
    padding-block: 6px;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.is-active {
    color: var(--color-green);
    border-bottom-color: var(--color-yellow);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-green-deeper);
    margin: 5px 0;
    transition: var(--transition);
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--color-green-deeper), var(--color-green) 65%);
    color: #fff;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 85% 20%, rgba(252,209,22,.28), transparent 45%),
        radial-gradient(circle at 100% 100%, rgba(206,17,38,.18), transparent 55%);
    pointer-events: none;
}

.hero__inner {
    position: relative;
    padding-block: 90px 70px;
    display: grid;
    gap: 40px;
}

.hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--color-yellow);
    margin-bottom: 18px;
}

.hero__eyebrow::before {
    content: '';
    width: 26px;
    height: 3px;
    background: var(--color-yellow);
    border-radius: 2px;
}

.hero h1 {
    color: #fff;
    font-size: clamp(28px, 4.2vw, 44px);
    max-width: 22ch;
    margin-bottom: .4em;
}

.hero p {
    color: rgba(255,255,255,.85);
    max-width: 56ch;
    font-size: 17px;
}

.hero__actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 8px;
}

.stat-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid rgba(255,255,255,.16);
    margin-top: 50px;
    padding-top: 34px;
}

.stat-bar__item {
    border-left: 2px solid var(--color-yellow);
    padding-left: 16px;
}

.stat-bar__item strong {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(22px, 2.8vw, 30px);
    color: #fff;
}

.stat-bar__item span {
    font-size: 13px;
    color: rgba(255,255,255,.7);
}

/* =========================================================
   Sections
   ========================================================= */
.section {
    padding-block: 76px;
}

.section--alt {
    background: var(--color-bg-alt);
}

.section__head {
    max-width: 640px;
    margin-bottom: 42px;
}

.section__head p {
    color: var(--color-text-muted);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
}

.card:hover {
    border-color: var(--color-green);
    box-shadow: 0 10px 30px rgba(10,122,62,.1);
    transform: translateY(-2px);
}

.card__icon {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    background: rgba(10,122,62,.1);
    color: var(--color-green);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    margin-bottom: 18px;
}

.card h3 {
    font-size: 18px;
    margin-bottom: 8px;
}

.card p {
    color: var(--color-text-muted);
    font-size: 15px;
    margin-bottom: 0;
}

/* Notícias */
.news-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    background: #fff;
    transition: var(--transition);
}

.news-card:hover {
    box-shadow: 0 10px 30px rgba(10,122,62,.1);
    transform: translateY(-2px);
}

.news-card__media {
    height: 130px;
    background: linear-gradient(135deg, var(--color-green), var(--color-green-deeper));
    position: relative;
}

.news-card__media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 80% 20%, rgba(252,209,22,.4), transparent 60%);
}

.news-card__body {
    padding: 22px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-card__meta {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--color-green);
    margin-bottom: 10px;
}

.news-card h3 {
    font-size: 17px;
    margin-bottom: 10px;
}

.news-card p {
    color: var(--color-text-muted);
    font-size: 14px;
    flex: 1;
}

.news-card__link {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-green);
    margin-top: 12px;
}

/* Preços / tabela de mercado */
.price-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.price-table th {
    background: var(--color-green);
    color: #fff;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    text-align: left;
    padding: 14px 18px;
    letter-spacing: .03em;
}

.price-table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--color-border);
    font-size: 14px;
}

.price-table tr:last-child td {
    border-bottom: none;
}

.price-table tr:hover td {
    background: var(--color-bg-alt);
}

.price-up {
    color: var(--color-red);
    font-weight: 600;
}

.price-down {
    color: var(--color-green);
    font-weight: 600;
}

.price-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 22px;
    text-align: center;
}

.price-card__label {
    font-size: 13px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: .06em;
    font-weight: 600;
    margin-bottom: 8px;
}

.price-card__value {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-green-deeper);
    margin-bottom: 4px;
}

.price-card__unit {
    font-size: 13px;
    color: var(--color-text-muted);
}

.price-card__change {
    display: inline-block;
    margin-top: 10px;
    font-size: 13px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 20px;
}

.price-card__change.up {
    background: rgba(206,17,38,.1);
    color: var(--color-red);
}

.price-card__change.down {
    background: rgba(10,122,62,.1);
    color: var(--color-green);
}

/* Legislação */
.law-item {
    display: flex;
    gap: 18px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 22px;
    background: #fff;
    margin-bottom: 16px;
    transition: var(--transition);
}

.law-item:hover {
    border-color: var(--color-green);
    box-shadow: 0 6px 20px rgba(10,122,62,.08);
}

.law-item__badge {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 8px;
    background: rgba(10,122,62,.1);
    color: var(--color-green);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 12px;
}

.law-item h3 {
    font-size: 16px;
    margin-bottom: 6px;
}

.law-item p {
    font-size: 14px;
    color: var(--color-text-muted);
    margin: 0;
}

/* Diretoria */
.board-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.board-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 26px;
    background: #fff;
    text-align: left;
}

.board-card__avatar {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: var(--color-bg-alt);
    border: 2px solid var(--color-yellow);
    margin-bottom: 16px;
}

.board-card strong {
    display: block;
    font-family: var(--font-display);
    font-size: 15px;
    margin-bottom: 4px;
}

.board-card span {
    font-size: 13px;
    color: var(--color-green);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
}

/* CTA banda final */
.cta-band {
    background: var(--color-green-deeper);
    color: #fff;
    text-align: center;
    padding-block: 60px;
}

.cta-band h2 {
    color: #fff;
}

.cta-band p {
    color: rgba(255,255,255,.75);
    max-width: 52ch;
    margin-inline: auto;
}

/* Formulário de contato */
.form-grid {
    display: grid;
    gap: 18px;
}

.field label {
    display: block;
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--color-green-deeper);
}

.field input,
.field textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 14px;
    background: #fff;
    transition: var(--transition);
}

.field input:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--color-green);
    box-shadow: 0 0 0 3px rgba(10,122,62,.15);
}

.alert-success {
    background: #eef7ee;
    border: 1px solid #bfe3bf;
    color: #23632a;
    padding: 14px 18px;
    border-radius: var(--radius);
    font-size: 14px;
    margin-bottom: 20px;
}

.contact-info {
    display: grid;
    gap: 20px;
}

.contact-info__item {
    display: flex;
    gap: 14px;
}

.contact-info__icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border-radius: 8px;
    background: rgba(10,122,62,.1);
    color: var(--color-green);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-family: var(--font-display);
}

.contact-info__item strong {
    display: block;
    font-family: var(--font-display);
    font-size: 14px;
    margin-bottom: 2px;
}

.contact-info__item span {
    font-size: 14px;
    color: var(--color-text-muted);
}

/* Página interna */
.page-header {
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    padding-block: 48px;
}

.page-header h1 {
    margin-bottom: 8px;
}

.breadcrumb {
    font-size: 13px;
    color: var(--color-text-muted);
}

.breadcrumb a {
    color: var(--color-green);
    font-weight: 600;
}

.prose {
    max-width: 760px;
}

.prose p {
    color: var(--color-text);
    font-size: 16px;
}

.prose h2 {
    font-size: 22px;
    margin-top: 1.6em;
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
    background: var(--color-green-deeper);
    color: rgba(255,255,255,.75);
    padding-block: 56px 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,.12);
}

.footer-brand img {
    height: 48px;
    margin-bottom: 16px;
    /* logo já tem fundo transparente / circular — manter cores */
}

.footer-brand p {
    font-size: 14px;
    color: rgba(255,255,255,.6);
    max-width: 34ch;
}

.footer-col h4 {
    color: #fff;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: 16px;
}

.footer-col a {
    display: block;
    font-size: 14px;
    color: rgba(255,255,255,.65);
    margin-bottom: 10px;
    transition: var(--transition);
}

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

.footer-bottom {
    padding-top: 22px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 13px;
    color: rgba(255,255,255,.5);
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1100px) {
    .main-nav {
        gap: 16px;
    }

    .main-nav a {
        font-size: 12.5px;
    }
}

@media (max-width: 960px) {
    .grid-3,
    .board-grid,
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .grid-2 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .main-nav {
        position: fixed;
        top: 76px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: 10px 24px 20px;
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-8px);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
        z-index: 40;
    }

    .main-nav.is-open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .main-nav a {
        width: 100%;
        padding-block: 12px;
        border-bottom: 1px solid var(--color-border);
        white-space: normal;
    }

    .nav-toggle {
        display: block;
    }

    .stat-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .grid-3,
    .board-grid,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .footer-bottom {
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
        scroll-behavior: auto !important;
    }
}

/* =========================================================
   Tabela de preços dinâmica
   ========================================================= */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.price-updated {
    margin: 8px 0 0;
    font-size: 14px;
    color: var(--color-text-muted);
}

.price-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 28px;
}

.price-tabs {
    display: inline-flex;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 4px;
    gap: 4px;
}

.price-tab {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 600;
    padding: 10px 16px;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.price-tab:hover {
    color: var(--color-green);
}

.price-tab.is-active {
    background: var(--color-green);
    color: #fff;
}

.price-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.price-filters .field {
    margin: 0;
}

.price-filters input,
.price-filters select {
    min-width: 180px;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 14px;
    background: #fff;
    transition: var(--transition);
}

.price-filters input:focus,
.price-filters select:focus {
    outline: none;
    border-color: var(--color-green);
    box-shadow: 0 0 0 3px rgba(10, 122, 62, 0.15);
}

.price-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: #fff;
}

.price-table {
    margin: 0;
    border: none;
}

.price-table th.is-sortable {
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}

.price-table th.is-sortable:hover {
    background: var(--color-green-dark);
}

.price-table th .sort-icon::after {
    content: ' ↕';
    opacity: 0.45;
    font-size: 11px;
}

.price-table th.sort-asc .sort-icon::after {
    content: ' ↑';
    opacity: 1;
}

.price-table th.sort-desc .sort-icon::after {
    content: ' ↓';
    opacity: 1;
}

.price-value-cell {
    font-family: var(--font-display);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.price-loading,
.price-empty {
    text-align: center;
    color: var(--color-text-muted);
    padding: 32px 18px !important;
}

.market-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 3px 8px;
    border-radius: 20px;
}

.market-badge--nacional {
    background: rgba(10, 122, 62, 0.12);
    color: var(--color-green);
}

.market-badge--internacional {
    background: rgba(206, 17, 38, 0.1);
    color: var(--color-red);
}

.trend {
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.trend-up { color: var(--color-red); }
.trend-down { color: var(--color-green); }
.trend-stable { color: var(--color-text-muted); }

.price-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px;
    margin-top: 14px;
    font-size: 13px;
    color: var(--color-text-muted);
}

@media (max-width: 768px) {
    .price-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .price-tabs {
        width: 100%;
        justify-content: stretch;
    }

    .price-tab {
        flex: 1;
        text-align: center;
        padding: 10px 8px;
        font-size: 12px;
    }

    .price-filters {
        width: 100%;
    }

    .price-filters input,
    .price-filters select {
        width: 100%;
        min-width: 0;
    }
}