/* Identidade visual, cores e fontes usadas em toda a página. */
:root {
  --ink: #143b35;
  --green: #0b6655;
  --lime: #c9ed69;
  --paper: #f7f8f1;
  --muted: #526b64;
  --line: #dce5d9;
  --white: #fff;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Arial, Helvetica, sans-serif;
}

/* Base e fundo fotográfico suave, feito com imagens locais do projeto. */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  position: relative;
  isolation: isolate;
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.55;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .19;
  background-image:
    url("assets/images/eletronicos-coleta.jpeg"),
    url("assets/images/pontos-descarte.jpeg"),
    url("assets/images/eletronicos-reciclagem.jpeg");
  background-repeat: no-repeat;
  background-size: clamp(220px, 30vw, 430px) auto,
    clamp(210px, 26vw, 370px) auto, clamp(190px, 23vw, 330px) auto;
  background-position: left -95px top 18vh, right -85px top 52vh,
    left -65px bottom -100px;
  filter: saturate(.7);
}
a { color: inherit; }
.wrap { width: min(1140px, calc(100% - 40px)); margin: auto; }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Cabeçalho e links de navegação. */
.site-header {
  height: 78px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(20, 59, 53, .11);
  background: var(--paper);
}
.nav, .footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.04em;
}
.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: var(--green);
  color: var(--lime);
  font-size: 20px;
}
.brand-accent { color: var(--green); margin-left: -10px; }
.links { display: flex; align-items: center; gap: 27px; }
.links a { text-decoration: none; font-size: 13px; font-weight: 700; }
.links a:hover { color: var(--green); }
.nav-cta, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 999px;
  background: var(--lime);
  color: #163b2f;
  padding: 13px 19px;
  text-decoration: none;
  font-weight: 800;
  cursor: pointer;
  transition: transform .2s, background .2s;
}
.nav-cta:hover, .button:hover { transform: translateY(-2px); background: #d8f488; }

/* Abertura da página e imagem principal. */
.hero {
  padding: 72px 0 58px;
  background: radial-gradient(ellipse at 85% 15%, #e3efce 0, transparent 35%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: center;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--green);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 25px; height: 2px; background: var(--green); }
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 620px;
  margin: 19px 0 20px;
  font: clamp(44px, 5.8vw, 74px)/.98 var(--serif);
  letter-spacing: -.055em;
}
h1 em { color: var(--green); font-weight: 400; }
.intro { max-width: 510px; margin-bottom: 27px; color: var(--muted); font-size: 17px; }
.hero-actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.text-link {
  border-bottom: 1px solid #9db0a0;
  padding: 8px 0;
  text-decoration: none;
  font-size: 14px;
  font-weight: 800;
}
.hero-art { position: relative; }
.hero-art img {
  display: block;
  width: 100%;
  aspect-ratio: 1.02;
  border-radius: 44% 44% 10px 10px;
  object-fit: cover;
  filter: saturate(.84);
}
.hero-art::after {
  content: "♻";
  position: absolute;
  right: -18px;
  bottom: 30px;
  width: 77px;
  height: 77px;
  display: grid;
  place-items: center;
  border: 8px solid var(--paper);
  border-radius: 50%;
  background: var(--lime);
  color: var(--ink);
  font-size: 36px;
}
.image-note {
  position: absolute;
  left: -26px;
  bottom: 28px;
  max-width: 190px;
  border-radius: 12px;
  background: var(--white);
  padding: 13px 16px;
  box-shadow: 0 12px 28px #173e3220;
  font-size: 12px;
  font-weight: 800;
}
.image-note span { display: block; margin-top: 2px; color: var(--muted); font-weight: 400; }

/* Campo de busca de pontos de recebimento. */
.finder { padding: 35px 0; background: var(--ink); color: var(--white); }
.finder-grid { display: grid; grid-template-columns: 1fr auto; gap: 26px; align-items: center; }
.finder h2 { margin: 0 0 6px; font: 30px/1.1 var(--serif); }
.finder p { margin: 0; color: #c8d7ce; font-size: 14px; }
.search { display: flex; gap: 8px; min-width: min(440px, 100%); border-radius: 999px; background: var(--white); padding: 5px; }
.search input { min-width: 0; flex: 1; border: 0; border-radius: 999px; outline: 0; padding: 0 13px; color: var(--ink); font: 14px var(--sans); }
.search button { white-space: nowrap; }

/* Títulos, cartões de materiais e pontos locais. */
section { padding: 78px 0; }
.section-head { max-width: 630px; margin-bottom: 35px; }
.section-head h2 { margin: 12px 0; font: clamp(34px, 4vw, 48px)/1.04 var(--serif); letter-spacing: -.035em; }
.section-head p { margin: 0; color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { display: flex; min-height: 235px; flex-direction: column; border: 1px solid var(--line); border-radius: 16px; background: var(--white); padding: 24px 23px; }
.card-icon { width: 43px; height: 43px; display: grid; place-items: center; margin-bottom: 18px; border-radius: 13px; background: #edf4df; font-size: 22px; }
.card h3 { margin: 0 0 9px; font-size: 18px; letter-spacing: -.02em; }
.card p { margin: 0 0 18px; color: var(--muted); font-size: 14px; }
.card a { margin-top: auto; color: var(--green); text-decoration: none; font-size: 13px; font-weight: 800; }
.card a:hover, .local-card a:hover { text-decoration: underline; }
.local { background: var(--white); }
.local-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.local-card { border: 1px solid var(--line); border-radius: 16px; background: var(--paper); padding: 25px; }
.local-card h3 { margin: 0 0 8px; font-size: 19px; }
.local-card p { margin: 0 0 16px; color: var(--muted); font-size: 14px; }
.local-card a { color: var(--green); text-decoration: none; font-size: 13px; font-weight: 800; }
.secondary-map-link { display: inline-block; margin-top: 9px; }
.local-note { margin: 18px 0 0; color: var(--muted); font-size: 12px; }

/* Lista de orientações para preparar os resíduos. */
.steps { background: #eaf0e5; }
.steps-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: center; }
.steps-copy h2 { margin: 13px 0; font: clamp(35px, 4vw, 50px)/1.05 var(--serif); letter-spacing: -.04em; }
.steps-copy p { color: var(--muted); }
.step-list { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.step { display: grid; grid-template-columns: 44px 1fr; gap: 15px; border-radius: 14px; background: var(--white); padding: 17px 19px; }
.num { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; background: var(--lime); font-weight: 900; }
.step h3 { margin: 1px 0 4px; font-size: 15px; }
.step p { margin: 0; color: var(--muted); font-size: 13px; }

/* Bloco final de incentivo e rodapé com crédito do projeto. */
.impact { padding: 68px 0; }
.impact-box {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 28px;
  overflow: hidden;
  border-radius: 22px;
  background: var(--green);
  color: var(--white);
  padding: 44px 48px;
}
.impact h2 { position: relative; z-index: 1; max-width: 600px; margin: 0 0 12px; font: clamp(30px, 4vw, 44px)/1.06 var(--serif); }
.impact p { position: relative; z-index: 1; max-width: 570px; margin: 0; color: #dce9dd; font-size: 14px; }
.impact .button { position: relative; z-index: 1; white-space: nowrap; }
.site-footer { border-top: 1px solid var(--line); padding: 24px 0 30px; color: var(--muted); font-size: 12px; }
.footer-grid { align-items: center; }
.footer-grid strong { color: var(--ink); }
.footnote { max-width: 620px; margin: 8px 0 0; font-size: 11px; }
.credit { display: inline-block; margin-top: 6px; }

/* Ajustes de layout para tablets e celulares. */
@media (max-width: 780px) {
  .links { gap: 14px; }
  .links a:not(.nav-cta) { display: none; }
  .hero { padding: 46px 0 42px; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-art { width: 90%; max-width: 480px; margin: auto; }
  .finder-grid { grid-template-columns: 1fr; }
  .search { min-width: 0; }
  .cards, .local-grid { grid-template-columns: 1fr; }
  .card { min-height: 0; }
  .steps-grid { grid-template-columns: 1fr; gap: 28px; }
  .impact-box { grid-template-columns: 1fr; padding: 32px 27px; }
  .impact-box .button { justify-self: start; }
  .footer-grid { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 600px) {
  body::before {
    opacity: .13;
    background-size: 230px auto, 210px auto, 190px auto;
    background-position: left -105px top 14vh, right -110px top 58vh,
      left -100px bottom -80px;
  }
}
@media (max-width: 420px) {
  .wrap { width: calc(100% - 28px); }
  .site-header { height: 68px; }
  .nav-cta { padding: 10px 13px; font-size: 12px; }
  .brand { font-size: 18px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 8px; }
  .search { flex-direction: column; border-radius: 16px; padding: 8px; }
  .search input { height: 42px; }
  .search button { height: 43px; }
  section { padding: 57px 0; }
}