:root {
  --color-forest: #223d2b;
  --color-moss: #66724d;
  --color-leaf: #8c9a63;
  --color-earth: #8a6846;
  --color-clay: #b18d67;
  --color-cream: #f7f1e6;
  --color-paper: #fffaf1;
  --color-ink: #243025;
  --color-muted: #6e715f;
  --shadow: 0 24px 70px rgba(34, 61, 43, 0.16);
  --serif: Georgia, "Times New Roman", serif;
  --sans: "Montserrat", "Segoe UI", Arial, sans-serif;

  /* Troque estas URLs pelas fotos reais do Instituto quando estiverem disponíveis. */
  --hero-image: url("../../Imagens/Serra_Capanema2.jpeg");
  --image-one: url("../../Imagens/Portao.jpeg");
  --image-two: url("../../Imagens/Caminho.jpeg");
  --image-three: url("../../Imagens/Arara.jpeg");
  --callout-image: url("../../Imagens/Riacho.jpeg");
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 86px;
}

body {
  margin: 0;
  background: var(--color-cream);
  color: var(--color-ink);
  font-family: var(--sans);
  line-height: 1.75;
}

body.menu-open {
  overflow: hidden;
}

img,
iframe {
  max-width: 100%;
}

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

p {
  margin: 0 0 1rem;
}

h1,
h2,
h3 {
  color: var(--color-forest);
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.08;
  margin: 0 0 1.2rem;
}

/* Make section titles more prominent */
h2,
h3 {
  font-weight: 800;
}

h1 {
  color: var(--color-paper);
  font-size: clamp(2.4rem, 6.5vw, 5.3rem);
  max-width: 960px;
}

h2 {
  font-size: clamp(2rem, 5vw, 4.3rem);
}

h3 {
  font-size: 1.65rem;
}

.site-header {
  align-items: center;
  background: linear-gradient(180deg, rgba(48, 66, 28, 0.92), rgba(48, 66, 28, 0));
  box-shadow: none;
  display: flex;
  gap: 1.5rem;
  justify-content: space-between;
  left: 0;
  padding: 0.9rem clamp(1rem, 4vw, 3.5rem);
  position: fixed;
  right: 0;
  top: 0;
  z-index: 20;
}

.brand {
  align-items: center;
  display: inline-flex;
  gap: 0.75rem;
  min-width: 210px;
}

.brand-logo {
  border-radius: 50%;
  flex: 0 0 70px;
  height: 70px;
  object-fit: cover;
  width: 70px;
  display: block;
}

.brand strong {
  color: var(--color-paper);
  font-family: var(--serif);
  font-size: 1.03rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand small {
  color: rgba(255, 250, 241, 0.76);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.main-nav {
  align-items: center;
  display: flex;
  gap: clamp(0.7rem, 1.5vw, 1.5rem);
  justify-content: flex-end;
}

.main-nav a {
  color: var(--color-paper);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.main-nav a:hover {
  color: #ead9a4;
}

.nav-toggle {
  background: transparent;
  border: 0;
  display: none;
  height: 44px;
  padding: 0;
  width: 44px;
}

.nav-toggle span {
  background: var(--color-paper);
  display: block;
  height: 2px;
  margin: 7px auto;
  width: 28px;
}

.hero {
    align-items: flex-end;
    background:
      linear-gradient(90deg, rgba(20, 37, 26, 0.82), rgba(20, 37, 26, 0.36)),
      var(--hero-image) center/cover;
    color: var(--color-paper);
    display: flex;
    min-height: 100svh;
    padding: 8rem clamp(1.25rem, 6vw, 6rem) 7rem;
  }

  .hero-content {
    max-width: 1040px;
  }

  .hero p {
    font-size: clamp(1.02rem, 2vw, 1.35rem);
    max-width: 680px;
  }

.eyebrow {
  font-size: 1.1rem;
  font-weight: 700;
}

.hero .eyebrow,
.landscape-callout .eyebrow,
.purpose .eyebrow {
  color: #dbc49b;
}

.lightbox-trigger {
  cursor: pointer;
  position: relative;
}

.lightbox-modal {
  align-items: center;
  background: rgba(0, 0, 0, 0.82);
  display: none;
  justify-content: center;
  inset: 0;
  padding: 2rem;
  position: fixed;
  z-index: 1000;
}

.lightbox-modal.open {
  display: flex;
}

.lightbox-modal img {
  max-height: 90vh;
  max-width: 90vw;
  border-radius: 1rem;
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.4);
  object-fit: contain;
}

.lightbox-modal img[data-lightbox-type="logo"] {
  border-radius: 50%;
  object-fit: cover;
}

.lightbox-close {
  background: transparent;
  border: 0;
  color: var(--color-paper);
  cursor: pointer;
  font-size: 2.7rem;
  font-weight: 900;
  line-height: 1;
  position: absolute;
  right: 1rem;
  top: 1rem;
}

.button {
  align-items: center;
  background: var(--color-forest);
  border: 1px solid var(--color-forest);
  color: var(--color-paper);
  display: inline-flex;
  font-size: 0.8rem;
  font-weight: 800;
  justify-content: center;
  letter-spacing: 0.12em;
  margin-top: 1rem;
  min-height: 48px;
  padding: 0.8rem 1.3rem;
  text-transform: uppercase;
  transition: transform 180ms ease, background 180ms ease;
}

.button:hover {
  background: var(--color-earth);
  border-color: var(--color-earth);
  transform: translateY(-2px);
}

.button-light {
  background: var(--color-paper);
  border-color: var(--color-paper);
  color: var(--color-forest);
}

.section {
  padding: clamp(4.5rem, 9vw, 8rem) clamp(1.25rem, 6vw, 6rem);
}

.intro {
  align-items: stretch;
  display: grid;
  gap: clamp(2rem, 5vw, 5rem);
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.8fr);
}

.section-text {
  max-width: 760px;
}

.image-panel,
.feature-image {
  background-position: center;
  background-size: cover;
  border-radius: 1rem;
  box-shadow: var(--shadow);
  min-height: 460px;
  overflow: hidden;
  position: relative;
}

.image-panel-one {
  background-image:
    linear-gradient(180deg, transparent, rgba(20, 37, 26, 0.64)),
    var(--image-one);
}

.image-panel-two {
  background-image: var(--image-two);
}

.image-panel-three {
  background-image: var(--image-three);
}

.image-panel figcaption {
  bottom: 1.4rem;
  color: var(--color-paper);
  font-family: var(--serif);
  font-size: 1.2rem;
  left: 1.4rem;
  max-width: 340px;
  position: absolute;
  right: 1.4rem;
}

.split-feature {
  background: var(--color-paper);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.feature-copy {
  align-self: center;
  padding: clamp(3rem, 8vw, 7rem);
}

.mission-band,
.education,
.faq {
  background: var(--color-paper);
}

.section-heading {
  max-width: 860px;
}

.large-copy {
  color: var(--color-forest);
  font-family: var(--serif);
  font-size: clamp(1.6rem, 4vw, 3rem);
  line-height: 1.28;
  margin: 2rem 0 3.5rem;
  max-width: 1120px;
}

.vision-grid,
.project-grid,
.contact-grid,
.footer-grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 4rem);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.vision-grid article,
.project-steps,
.contact-form {
  background: var(--color-cream);
  box-shadow: var(--shadow);
  padding: clamp(1.5rem, 4vw, 3rem);
}

.values-list,
.pill-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.values-list {
  columns: 2;
  column-gap: 2rem;
}

.values-list li {
  break-inside: avoid;
  margin: 0 0 0.85rem;
  padding-left: 1.3rem;
  position: relative;
}

.values-list li::before {
  background: var(--color-leaf);
  border-radius: 50%;
  content: "";
  height: 7px;
  left: 0;
  position: absolute;
  top: 0.8rem;
  width: 7px;
}

.landscape-callout,
.purpose {
  background:
    linear-gradient(90deg, rgba(20, 37, 26, 0.82), rgba(20, 37, 26, 0.42)),
    var(--callout-image) center/cover fixed;
  color: var(--color-paper);
  padding: clamp(5rem, 11vw, 10rem) clamp(1.25rem, 6vw, 6rem);
}

.landscape-callout div,
.purpose div {
  max-width: 820px;
}

.acrostic {
  display: grid;
  gap: 0.35rem;
  margin: 1.5rem 0 2rem;
}

.acrostic p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.2;
}

.acrostic strong {
  display: inline-block;
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.05em;
  margin-right: 0.75rem;
}

.landscape-callout h2,
.purpose h2 {
  color: var(--color-paper);
}

.project {
  background: linear-gradient(180deg, var(--color-cream), #ede2cf);
}

.project .section-heading h2 {
  margin-bottom: clamp(2.4rem, 4.5vw, 3.2rem);
}

.project-grid {
  margin-top: 3cm;
}

.project-copy p,
.project-steps p {
  font-size: 1.08rem;
}

.project-steps p {
  border-bottom: 1px solid rgba(34, 61, 43, 0.16);
  margin: 0;
  padding: 1.2rem 0;
}

.project-steps p:last-child {
  border-bottom: 0;
}

.pill-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.9rem;
    margin: 2rem 0;
    padding: 0;
  }

  .pill-list li {
    background: #ecdfc8;
    border: 1px solid rgba(34, 61, 43, 0.12);
    color: var(--color-forest);
    font-weight: 700;
    padding: 0.75rem 1rem;
    text-align: center;
    white-space: normal;
  }
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 2rem;
}

.card-grid article {
  background: var(--color-paper);
  border-left: 4px solid var(--color-leaf);
  box-shadow: 0 16px 38px rgba(34, 61, 43, 0.08);
  color: var(--color-forest);
  font-family: var(--serif);
  font-size: 1.18rem;
  min-height: 132px;
  padding: 1.4rem;
}

/* Decorative graphic for the Spaces section (cachoeira) */
.spaces {
  position: relative;
  overflow: hidden;
}

.spaces-graphics {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.spaces-graphic {
  position: absolute;
  display: block;
  opacity: 0.95;
  max-width: 52%;
  height: auto;
}

.spaces-graphic--cachoeira {
  right: clamp(2rem, 8vw, 6rem);
  top: 50%;
  transform: translateY(-50%) scaleX(-1);
  max-width: 34%;
  max-height: 80vh;
  width: auto;
}

.spaces .card-grid,
.spaces .section-heading {
  position: relative;
  z-index: 1;
}

.tourism {
  background: #e8ddc8;
}


.accordion {
  border-top: 1px solid rgba(34, 61, 43, 0.2);
  margin-top: 2rem;
}

details {
  border-bottom: 1px solid rgba(34, 61, 43, 0.2);
  padding: 1.1rem 0;
}

summary {
  color: var(--color-forest);
  cursor: pointer;
  font-family: var(--serif);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  list-style: none;
  padding-right: 2.5rem;
  position: relative;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  font-family: var(--sans);
  font-size: 1.6rem;
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
}

details[open] summary::after {
  content: "-";
}

details p {
  max-width: 860px;
  padding-top: 1rem;
}

.contact {
  position: relative;
  overflow: hidden;
  background: #ece1cd;
}

.contact-graphics {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.contact-graphic {
  position: absolute;
  display: block;
  opacity: 0.28;
}

.contact-graphic--one {
  top: 15%;
  left: 13%;
  width: 120px;
  transform: rotate(-8deg);
}

.contact-graphic--two {
  top: 30%;
  right: 15%;
  width: 140px;
  transform: rotate(18deg);
}

.contact-graphic--three {
  bottom: 12%;
  left: 40%;
  width: 110px;
  transform: rotate(-4deg);
}

.contact-grid {
  position: relative;
  z-index: 1;
}

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

label {
  color: var(--color-forest);
  display: grid;
  font-size: 0.78rem;
  font-weight: 800;
  gap: 0.45rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

input,
textarea {
  background: var(--color-paper);
  border: 1px solid rgba(34, 61, 43, 0.22);
  color: var(--color-ink);
  font: inherit;
  min-height: 48px;
  padding: 0.8rem 0.9rem;
  width: 100%;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--color-forest);
  outline: 3px solid rgba(102, 114, 77, 0.22);
}

.map-section {
  background: var(--color-paper);
  padding: clamp(4rem, 8vw, 6rem) clamp(1.25rem, 6vw, 6rem);
}

.map-section iframe {
  border: 0;
  box-shadow: var(--shadow);
  display: block;
  height: min(62vh, 520px);
  min-height: 360px;
  width: 100%;
}

.site-footer {
  position: relative;
  overflow: hidden;
  background: var(--color-forest);
  color: rgba(255, 250, 241, 0.84);
  padding: clamp(3rem, 7vw, 5rem) clamp(1.25rem, 6vw, 6rem) 2rem;
}

.footer-graphics {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.footer-graphic {
  position: absolute;
  display: block;
  opacity: 0.34;
}

.footer-graphic--one {
  top: 40%;
  left: 10%;
  width: 120px;
  transform: translateY(-50%) rotate(-10deg);
}

.footer-graphic--two {
  top: 32%;
  left: 50%;
  width: 110px;
  transform: translate(-50%, -50%) rotate(14deg);
}

.footer-graphic--three {
  top: 58%;
  left: 70%;
  width: 140px;
  transform: translate(-50%, -50%) rotate(-8deg);
}

.footer-graphic--four {
  top: 1.2rem;
  right: 1.5rem;
  width: 90px;
  transform: rotate(6deg);
}

.footer-grid {
  position: relative;
  z-index: 1;
}

.copyright {
  position: relative;
  z-index: 1;
}

.site-footer h3,
.site-footer .brand strong {
  color: var(--color-paper);
}

.site-footer a {
  display: block;
  margin: 0.35rem 0;
}

.site-footer a.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-brand span {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.footer-brand .brand-logo {
  background: var(--color-paper);
  border-color: rgba(255, 250, 241, 0.9);
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.social-links a {
  border: 1px solid rgba(255, 250, 241, 0.3);
  padding: 0.55rem 0.8rem;
}

.copyright {
  border-top: 1px solid rgba(255, 250, 241, 0.18);
  font-size: 0.86rem;
  margin: 3rem 0 0;
  padding-top: 1.4rem;
}

@media (max-width: 1060px) {
  .nav-toggle {
    display: block;
  }

  .main-nav {
    align-content: center;
    background: var(--color-forest);
    color: var(--color-paper);
    display: grid;
    gap: 1.2rem;
    inset: 72px 0 0;
    justify-content: stretch;
    opacity: 0;
    padding: 2rem;
    pointer-events: none;
    position: fixed;
    transform: translateY(-8px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .main-nav a {
    border-bottom: 1px solid rgba(255, 250, 241, 0.16);
    color: var(--color-paper);
    font-size: 1rem;
    padding: 0.7rem 0;
  }

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

@media (max-width: 840px) {
  .site-header {
    padding: 0.72rem 1rem;
  }

  .brand {
    min-width: 0;
  }

  .brand small {
    display: none;
  }

  .hero {
    min-height: 92svh;
    padding: 7rem 1.25rem 4rem;
  }

  .intro,
  .split-feature,
  .vision-grid,
  .project-grid,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .tourism .feature-image {
    order: -1;
  }

  .image-panel,
  .feature-image {
    min-height: 320px;
  }

  .values-list {
    columns: 1;
  }

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

  .landscape-callout,
  .purpose {
    background-attachment: scroll;
  }
}

@media (max-width: 520px) {
  .spaces {
    overflow: visible;
  }

  .spaces-graphics {
    position: relative;
    inset: auto;
    height: auto;
    margin-bottom: 1rem;
  }

  .spaces-graphic--cachoeira {
    position: relative;
    display: block;
    inset: auto;
    right: auto;
    top: auto;
    transform: none;
    max-width: 100%;
    max-height: none;
    width: min(100%, 18rem);
    margin: 0 auto 0.75rem;
    opacity: 1;
  }

  .spaces .card-grid,
  .spaces .section-heading {
    position: relative;
    z-index: 1;
  }

  h1 {
    font-size: 2.35rem;
  }

  h2 {
    font-size: 2rem;
  }

  .section,
  .map-section {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .feature-copy {
    padding: 3rem 1rem;
  }

  .brand strong {
    font-size: 0.92rem;
  }

  .brand-logo {
    flex-basis: 40px;
    height: 40px;
    width: 40px;
  }
}