/* ============================================================
   WCS-FARM — Base (reset, tipografia, layout)
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font-sans);
  font-size: var(--fs-400);
  line-height: 1.65;
  color: var(--c-body);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, picture, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }
button { font: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--c-ink);
  line-height: 1.08;
  font-weight: 600;
  letter-spacing: -0.01em;
}
h1 { font-size: var(--fs-900); }
h2 { font-size: var(--fs-700); }
h3 { font-size: var(--fs-600); }

/* Títulos de seção e hero em MAIÚSCULAS (subtítulos de componente seguem caixa normal) */
h1, h2, .hero__title {
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

p { text-wrap: pretty; }
:focus-visible { outline: 3px solid var(--c-water); outline-offset: 3px; border-radius: 0; }
::selection { background: color-mix(in srgb, var(--color-primary) 22%, transparent); }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.1rem, 4vw, 2.5rem);
}
.container--narrow { max-width: var(--container-narrow); }

.section { padding-block: clamp(3.5rem, 7vw, 6.5rem); }
.section--tint { background: var(--c-surface-2); }
.section--green {
  background: linear-gradient(160deg, var(--c-green-800), var(--c-green-900));
  color: #dfe9e1;
}
.section--green h2, .section--green h3 { color: #fff; }

/* ---------- Eyebrow / section heading ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.eyebrow::before {
  content: ""; width: 26px; height: 2px; border-radius: 2px;
  background: var(--color-accent);
}
.section--green .eyebrow { color: var(--c-gold); }

.section-head { max-width: 64ch; margin-bottom: clamp(2rem, 4vw, 3.25rem); }
.section-head p { margin-top: var(--space-4); font-size: var(--fs-500); color: var(--c-muted); }
.section--green .section-head p { color: #b9cabf; }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }

.lede { font-size: var(--fs-500); color: var(--c-muted); }

/* ---------- Grades utilitárias ---------- */
.grid { display: grid; gap: clamp(1rem, 2.5vw, 1.75rem); }
.grid--auto { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), backdrop-filter var(--dur) var(--ease);
}
.site-header--solid, .site-header--solid.is-scrolled {
  background: color-mix(in srgb, var(--c-green-900) 97%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom-color: rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow);
}
.site-header.is-scrolled {
  background: color-mix(in srgb, var(--c-green-900) 97%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom-color: rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-5); height: var(--header-h);
}
.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand img { height: clamp(28px, 3.5vw, 40px); width: auto; }
.nav-links { display: none; align-items: center; gap: clamp(1rem, 2vw, 2rem); }
.nav-links a {
  position: relative; font-weight: 500; font-size: 0.97rem; color: rgba(255, 255, 255, 0.86);
  padding-block: 0.4rem; transition: color var(--dur-fast) var(--ease);
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 2px; width: 100%;
  background: var(--c-lime); transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--c-lime); }
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { transform: scaleX(1); }
.site-header .nav-cta { display: none; }

.nav-toggle {
  display: inline-flex; flex-direction: column; gap: 5px; padding: 10px; border: 0;
  background: transparent; border-radius: 0;
}
.nav-toggle span { width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: transform var(--dur) var(--ease), opacity var(--dur-fast) var(--ease); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer (página inteira, com logo + fechar) */
.mobile-menu {
  position: fixed; inset: 0; z-index: 200;
  background: var(--c-white);
  padding: 0 clamp(1.1rem, 6vw, 2.5rem) var(--space-8);
  display: flex; flex-direction: column; gap: var(--space-2);
  transform: translateX(100%); transition: transform var(--dur) var(--ease-out);
  overflow-y: auto;
}
.mobile-menu.is-open { transform: translateX(0); }
.mobile-menu__head {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h); margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--c-line-soft);
}
.mobile-menu__head .brand img { height: 30px; width: auto; filter: brightness(0); }
.mobile-menu__close {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; margin-right: -10px;
  border: 0; background: transparent; color: var(--c-ink);
  transition: color var(--dur-fast) var(--ease);
}
.mobile-menu__close:hover { color: var(--color-primary); }
.mobile-menu__close svg { width: 26px; height: 26px; }
.mobile-menu > a {
  font-family: var(--font-display); font-size: 1.5rem; font-weight: 500; color: var(--c-ink);
  padding-block: var(--space-3); border-bottom: 1px solid var(--c-line-soft);
}
.mobile-menu > a:hover { color: var(--color-primary); }
body.nav-open { overflow: hidden; }

@media (min-width: 1024px) {
  .nav-links { display: flex; }
  .site-header .nav-cta { display: inline-flex; }
  .nav-toggle { display: none; }
  .mobile-menu { display: none; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--c-green-900); color: #b9cabf;
  padding-block: clamp(3rem, 6vw, 5rem) var(--space-6);
}
.footer-grid { display: grid; gap: var(--space-6); grid-template-columns: 1fr; }
.site-footer h4 { color: #fff; font-family: var(--font-sans); font-size: 0.85rem; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: var(--space-3); }
.site-footer a { color: #cdded3; transition: color var(--dur-fast) var(--ease); }
.site-footer a:hover { color: var(--c-gold); }
.footer-brand p { margin-top: var(--space-3); max-width: 36ch; font-size: 0.95rem; }
.footer-links { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-bottom {
  margin-top: var(--space-7); padding-top: var(--space-5); border-top: 1px solid rgba(255,255,255,0.12);
  display: flex; flex-wrap: wrap; gap: var(--space-3); justify-content: space-between; font-size: 0.85rem; color: #8ea597;
}
.footer-grid { align-items: start; }
@media (min-width: 720px) { .footer-grid { grid-template-columns: 1.6fr 1.1fr 1fr; } }

/* Acessibilidade: skip link */
.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 200;
  background: var(--color-primary); color: #fff; padding: 0.6rem 1rem; border-radius: var(--radius-sm);
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: 12px; }

/* Rodapé — logos de parceiros (branco) + funders */
.footer-partners h4 { color:#fff; }
.footer-logos { display:flex; align-items:center; gap:var(--space-5); flex-wrap:wrap; margin-bottom:var(--space-4); }
.footer-logos img { height:28px; width:auto; max-width:120px; object-fit:contain; filter:brightness(0) invert(1); opacity:0.8; transition:opacity var(--dur) var(--ease); }
.footer-logos a:hover img { opacity:1; }
.footer-funders { font-size:0.85rem; line-height:1.7; color:#9fb6a8; }