/* =============================================
   ONG PACA — Folha de Estilo Principal
   Paleta: Verde floresta + Terra + Branco limpo
   ============================================= */

:root {
  --verde: #2d6a4f;
  --verde-escuro: #1b4332;
  --verde-claro: #52b788;
  --terra: #8b5e3c;
  --terra-claro: #d4a574;
  --creme: #faf7f2;
  --branco: #ffffff;
  --cinza-claro: #f4f1ec;
  --cinza-texto: #555550;
  --preto-suave: #1a1a18;
  --fonte-titulo: 'Playfair Display', Georgia, serif;
  --fonte-corpo: 'Source Sans 3', sans-serif;
  --sombra: 0 4px 24px rgba(0,0,0,0.10);
  --radius: 12px;
  --transicao: all 0.3s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--fonte-corpo);
  background: var(--creme);
  color: var(--preto-suave);
  font-size: 17px;
  line-height: 1.7;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.text-center { text-align: center; }

/* ---- TIPOGRAFIA ---- */
h1, h2, h3, h4 {
  font-family: var(--fonte-titulo);
  line-height: 1.2;
  color: var(--verde-escuro);
}
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); margin-bottom: 20px; }
h3 { font-size: 1.35rem; margin-bottom: 10px; }
h4 { font-size: 1.1rem; }
em { font-style: italic; color: var(--verde-claro); }

p { color: var(--cinza-texto); margin-bottom: 16px; }

.label {
  display: inline-block;
  font-family: var(--fonte-corpo);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--verde-claro);
  margin-bottom: 12px;
}
.label-center { display: block; text-align: center; }

/* ---- BOTÕES ---- */
.btn {
  display: inline-block;
  padding: 13px 30px;
  border-radius: 50px;
  font-family: var(--fonte-corpo);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  transition: var(--transicao);
  cursor: pointer;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--verde);
  color: var(--branco);
  border-color: var(--verde);
}
.btn-primary:hover {
  background: var(--verde-escuro);
  border-color: var(--verde-escuro);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(45,106,79,0.3);
}
.btn-outline {
  background: transparent;
  color: var(--branco);
  border-color: rgba(255,255,255,0.7);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--branco);
}
.btn-large { padding: 16px 40px; font-size: 1.05rem; }

/* ---- HEADER ---- */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: var(--transicao);
  background: transparent;
}
#header.scrolled {
  background: rgba(27,67,50,0.97);
  padding: 12px 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.2);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo img { border-radius: 8px; }
.logo-text {
  display: flex;
  flex-direction: column;
}
.logo-title {
  font-family: var(--fonte-titulo);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--branco);
  line-height: 1;
}
.logo-sub {
  font-size: 0.68rem;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.5px;
}
nav ul {
  display: flex;
  gap: 8px;
  align-items: center;
}
nav ul li a {
  color: rgba(255,255,255,0.85);
  font-size: 0.92rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  transition: var(--transicao);
}
nav ul li a:hover,
nav ul li a.active {
  color: var(--branco);
  background: rgba(255,255,255,0.12);
}
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
}

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--verde-escuro) 0%, var(--verde) 50%, #40916c 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  position: relative;
  overflow: hidden;
  padding: 120px 0 60px;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="40" fill="rgba(255,255,255,0.02)"/><circle cx="80" cy="80" r="60" fill="rgba(255,255,255,0.03)"/></svg>');
  background-size: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(82,183,136,0.15) 0%, transparent 70%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding: 0 24px;
  margin: 0 auto;
  width: 100%;
}
.hero-tag {
  display: inline-block;
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.9);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 24px;
  border: 1px solid rgba(255,255,255,0.2);
}
.hero-content h1 {
  color: var(--branco);
  margin-bottom: 20px;
}
.hero-content p {
  color: rgba(255,255,255,0.82);
  font-size: 1.15rem;
  margin-bottom: 36px;
  max-width: 560px;
}
.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-stats {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1140px;
  margin: 60px auto 0;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat {
  background: rgba(255,255,255,0.06);
  padding: 24px;
  text-align: center;
  transition: var(--transicao);
}
.stat:hover { background: rgba(255,255,255,0.12); }
.stat strong {
  display: block;
  font-family: var(--fonte-titulo);
  font-size: 2.2rem;
  color: var(--branco);
  line-height: 1;
  margin-bottom: 6px;
}
.stat span {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.7);
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* ---- MISSÃO ---- */
.missao { background: var(--branco); }
.section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.section-text p { font-size: 1.05rem; }
.section-text .btn { margin-top: 10px; }
.missao-cards { display: flex; flex-direction: column; gap: 20px; }
.card {
  padding: 28px;
  border-radius: var(--radius);
  border-left: 4px solid;
  box-shadow: var(--sombra);
  transition: var(--transicao);
}
.card:hover { transform: translateY(-3px); box-shadow: 0 8px 32px rgba(0,0,0,0.12); }
.card-animal { background: #fff8f5; border-color: var(--terra-claro); }
.card-verde { background: #f0faf4; border-color: var(--verde-claro); }
.card-icon { font-size: 2rem; margin-bottom: 12px; }
.card h3 { color: var(--verde-escuro); }
.card p { margin: 0; font-size: 0.95rem; }

/* ---- DESTAQUES ---- */
.destaques { background: var(--cinza-claro); }
.destaques h2 { margin-bottom: 50px; }
.destaques-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.destaque-item {
  background: var(--branco);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--sombra);
  transition: var(--transicao);
}
.destaque-item:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.13); }
.destaque-img {
  height: 200px;
  background-size: cover;
  background-position: center;
}
.destaque-img-gatos { background-color: #8b5e3c; background-image: linear-gradient(135deg, #8b5e3c, #d4a574); }
.destaque-img-lago { background-color: #2d6a4f; background-image: linear-gradient(135deg, #1b4332, #52b788); }
.destaque-img-ipe { background-color: #4a7c59; background-image: linear-gradient(135deg, #2d6a4f, #95d5b2); }
.destaque-body { padding: 24px; }
.destaque-body h3 { color: var(--verde-escuro); margin-bottom: 10px; }
.destaque-body p { font-size: 0.93rem; margin-bottom: 16px; }
.link-more {
  color: var(--verde);
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transicao);
}
.link-more:hover { color: var(--verde-escuro); letter-spacing: 0.5px; }

/* ---- TIMELINE ---- */
.timeline-section { background: var(--branco); }
.timeline-section h2 { margin-bottom: 50px; }
.timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  padding-left: 40px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 10px; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--verde-claro), var(--terra-claro));
}
.timeline-item {
  position: relative;
  margin-bottom: 40px;
}
.timeline-dot {
  position: absolute;
  left: -34px;
  top: 6px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--verde);
  border: 3px solid var(--creme);
  box-shadow: 0 0 0 2px var(--verde-claro);
}
.timeline-year {
  display: inline-block;
  background: var(--verde-escuro);
  color: var(--branco);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 3px 12px;
  border-radius: 20px;
  margin-bottom: 8px;
}
.timeline-content h4 { color: var(--verde-escuro); margin-bottom: 6px; }
.timeline-content p { font-size: 0.93rem; margin: 0; }

/* ---- REDES SOCIAIS ---- */
.redes {
  background: linear-gradient(135deg, var(--verde-escuro), var(--verde));
  padding: 70px 0;
}
.redes-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.redes-text .label { color: rgba(255,255,255,0.7); }
.redes-text h2 { color: var(--branco); }
.redes-text p { color: rgba(255,255,255,0.75); }
.redes-links { display: flex; flex-direction: column; gap: 16px; }
.rede-btn {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  color: var(--branco);
  transition: var(--transicao);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
}
.rede-btn:hover { background: rgba(255,255,255,0.2); transform: translateX(4px); }
.rede-icon { font-size: 1.4rem; }

/* ---- CTA ---- */
.cta-section {
  background: var(--creme);
  padding: 80px 0;
}
.cta-section h2 { color: var(--verde-escuro); margin-bottom: 16px; }
.cta-section p { max-width: 560px; margin: 0 auto 32px; }

/* ---- FOOTER ---- */
#footer {
  background: var(--preto-suave);
  padding: 60px 0 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.footer-brand img { border-radius: 8px; flex-shrink: 0; }
.footer-brand p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
  margin: 0;
}
.footer-links h4,
.footer-contato h4 {
  color: rgba(255,255,255,0.85);
  font-family: var(--fonte-corpo);
  font-size: 0.85rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-links ul li {
  margin-bottom: 8px;
}
.footer-links ul li a {
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  transition: var(--transicao);
}
.footer-links ul li a:hover { color: var(--verde-claro); }
.footer-contato p {
  color: rgba(255,255,255,0.5);
  font-size: 0.9rem;
  margin-bottom: 8px;
}
.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.footer-social a {
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transicao);
  padding: 4px 12px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 20px;
}
.footer-social a:hover { color: var(--verde-claro); border-color: var(--verde-claro); }
.footer-bottom {
  text-align: center;
  padding: 20px;
}
.footer-bottom p {
  color: rgba(255,255,255,0.3);
  font-size: 0.8rem;
  margin: 0;
}

/* ---- PÁGINAS INTERNAS ---- */
.page-hero {
  background: linear-gradient(135deg, var(--verde-escuro), var(--verde));
  padding: 140px 0 60px;
  text-align: center;
}
.page-hero h1 { color: var(--branco); font-size: clamp(1.8rem, 4vw, 3rem); margin-bottom: 12px; }
.page-hero p { color: rgba(255,255,255,0.8); max-width: 600px; margin: 0 auto; }

/* ---- RESPONSIVO ---- */
@media (max-width: 900px) {
  .section-grid,
  .destaques-grid,
  .redes-inner,
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  nav ul { display: none; flex-direction: column; position: absolute; top: 70px; left: 0; right: 0; background: var(--verde-escuro); padding: 20px; }
  nav ul.open { display: flex; }
  .menu-toggle { display: block; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-btns { flex-direction: column; }
  .section { padding: 50px 0; }
}