@charset "UTF-8";

:root {
  --verde-900: #04120d;
  --verde-800: #082118;
  --verde-700: #123a29;
  --verde-400: #52b788;
  --verde-200: #b7e4c7;
  --creme: #f5f7f2;
  --fundo: #e8ede5;
  --acao: #e76f51;
  --texto: #26362b;
  --sombra: 0 18px 45px rgba(4, 18, 13, 0.2);
  --radius: 8px;
  --container: max(16px, calc((100vw - 1120px) / 2));
  --transition: 0.25s ease;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body {
  background: var(--fundo);
  color: var(--texto);
  font-family: "Poppins", "Segoe UI", Tahoma, sans-serif;
  line-height: 1.6;
}

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

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

p {
  font-size: clamp(1rem, 1.7vw, 1.12rem);
}

strong {
  color: var(--creme);
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.show {
  opacity: 1;
  transform: translateY(0);
}

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  min-height: 72px;
  padding: 10px clamp(16px, 4vw, 54px);
  background: rgba(4, 18, 13, 0.96);
  border-bottom: 1px solid rgba(183, 228, 199, 0.14);
  box-shadow: 0 12px 32px rgba(4, 18, 13, 0.18);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

#logo {
  color: var(--creme);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  font-size: clamp(1.15rem, 2.4vw, 1.75rem);
  font-weight: 700;
  line-height: 1;
}

#logo p {
  flex-basis: 100%;
  margin-left: 34px;
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.logo-highlight {
  color: var(--verde-400);
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 34px);
}

nav a {
  color: var(--verde-200);
  font-weight: 700;
  transition: color var(--transition);
}

nav a:hover,
nav a:focus-visible {
  color: var(--creme);
}

#openMenu,
#closeMenu {
  border: 0;
  background: transparent;
  color: var(--creme);
  cursor: pointer;
  display: none;
  font-size: 1.9rem;
  font-weight: 700;
}

#closeMenu {
  position: absolute;
  right: 22px;
  top: 22px;
}

.I1 {
  min-height: calc(100vh - 72px);
  padding: clamp(82px, 12vw, 150px) var(--container);
  background:
    linear-gradient(90deg, rgba(4, 18, 13, 0.88), rgba(4, 18, 13, 0.52)),
    url("../img/fundo.png") center / cover;
  color: var(--creme);
  display: grid;
  align-items: center;
}

.I1 > div {
  max-width: 720px;
}

.tituloI {
  margin-bottom: 20px;
  font-size: clamp(2rem, 6vw, 4.6rem);
  line-height: 1.08;
  text-wrap: balance;
}

.paragrafoI {
  color: #dcefe2;
}

.exemplos,
.localQuiz {
  padding: clamp(44px, 7vw, 76px) 16px;
  text-align: center;
}

.exemplos,
.exemplo1 {
  background: var(--verde-900);
  color: var(--verde-200);
}

.tituloE1,
.tituloQ,
.tituloS {
  margin-bottom: 14px;
  font-size: clamp(1.45rem, 3vw, 2.25rem);
  line-height: 1.2;
  text-wrap: balance;
}

.exemplos .paragrafoE1,
.localQuiz .paragrafoQ {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.exemplo1 {
  padding: clamp(34px, 6vw, 76px) var(--container);
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(0, 1.15fr);
  align-items: center;
  gap: clamp(22px, 4vw, 54px);
}

.exemplo1:nth-of-type(4) {
  background: var(--verde-800);
}

.imgE1,
.imgE2,
.imgE3,
.imgS {
  width: 100%;
  height: clamp(240px, 34vw, 420px);
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--sombra);
}

.textoE1,
.textoS {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.paragrafoE1,
.textoE1 p,
.paragrafoS {
  color: var(--verde-200);
  text-align: left;
}

.textoE1 a {
  color: #9ff2c5;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.videoE1 {
  width: 100%;
  margin-top: 10px;
}

.videoE1 iframe {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  border: 0;
  border-radius: var(--radius);
  box-shadow: var(--sombra);
}

.fonteE1,
.FonteE1 {
  align-self: flex-end;
  color: rgba(183, 228, 199, 0.82);
  font-size: 0.92rem;
}

.localQuiz,
.inicioQ {
  background: var(--fundo);
}

.tituloQ {
  color: var(--verde-900);
}

.paragrafoQ {
  color: var(--verde-700);
}

.inicioQ {
  padding: 0 16px clamp(54px, 8vw, 96px);
  display: grid;
  grid-template-columns: repeat(2, minmax(240px, 340px));
  justify-content: center;
  gap: clamp(18px, 4vw, 32px);
}

.quiz1,
.quiz2 {
  padding: 18px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(45, 106, 79, 0.18);
  border-radius: var(--radius);
  box-shadow: var(--sombra);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.imgQ1,
.imgQ2 {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
}

.tituloQ1,
.tituloQ2 {
  color: var(--verde-900);
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  line-height: 1.25;
}

.btnQuiz {
  min-height: 44px;
  padding: 10px 24px;
  background: var(--verde-700);
  border-radius: 999px;
  color: var(--creme);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  transition: background var(--transition), transform var(--transition);
}

.btnQuiz:hover,
.btnQuiz:focus-visible {
  background: var(--acao);
  transform: translateY(-2px);
}

.sobre {
  padding: clamp(44px, 7vw, 86px) var(--container);
  background: var(--verde-800);
  color: var(--verde-200);
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(0, 1.1fr);
  align-items: center;
  gap: clamp(22px, 5vw, 56px);
}

.imgS {
  height: clamp(260px, 38vw, 480px);
}

.tituloS {
  color: var(--creme);
}

.footer {
  padding: 64px 0 28px;
  background: linear-gradient(180deg, var(--verde-800), var(--verde-900));
  color: var(--verde-200);
}

.footer-top {
  margin-bottom: 46px;
  display: grid;
  grid-template-columns: 1.6fr 0.8fr 1fr;
  gap: clamp(28px, 5vw, 56px);
}

.footer-logo,
.social-links,
.footer-nav a,
.footer-info li {
  display: flex;
  align-items: center;
}

.footer-logo {
  gap: 10px;
  color: var(--creme);
  font-size: clamp(1.45rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 14px;
}

.footer-logo i,
.footer-logo strong,
.footer-info i,
.footer-bottom i {
  color: var(--verde-400);
}

.footer-brand p {
  max-width: 420px;
  margin-bottom: 24px;
}

.social-links {
  gap: 12px;
}

.social-btn {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(82, 183, 136, 0.3);
  border-radius: var(--radius);
  display: grid;
  place-items: center;
}

.footer-nav h4,
.footer-info h4 {
  color: var(--creme);
  margin-bottom: 18px;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-nav ul,
.footer-info ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
  list-style: none;
}

.footer-nav a,
.footer-info li {
  gap: 8px;
}

.footer-info a,
.footer-nav a:hover {
  color: var(--verde-200);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(82, 183, 136, 0.2);
  text-align: center;
}

.footer-bottom p {
  color: rgba(183, 228, 199, 0.72);
  font-size: 0.95rem;
}

.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 999;
  width: 50px;
  height: 50px;
  border: 0;
  border-radius: 50%;
  background: var(--verde-400);
  color: var(--verde-900);
  cursor: pointer;
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: all var(--transition);
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

@media (max-width: 920px) {
  .exemplo1,
  .sobre {
    grid-template-columns: 1fr;
  }

  .inicioQ {
    grid-template-columns: repeat(2, minmax(220px, 1fr));
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 717px) {
  header {
    min-height: 68px;
  }

  #openMenu,
  #closeMenu {
    display: block;
  }

  nav {
    position: fixed;
    inset: 0;
    z-index: 1001;
    background: rgba(4, 18, 13, 0.97);
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    opacity: 0;
    pointer-events: none;
    transform: translateX(100%);
    transition: opacity var(--transition), transform var(--transition);
  }

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

  nav a {
    font-size: 1.35rem;
  }

  .I1 {
    min-height: auto;
    padding-block: 96px;
  }

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

  .back-to-top {
    right: 18px;
    bottom: 18px;
    width: 46px;
    height: 46px;
  }
}

@media (max-width: 420px) {
  #logo {
    max-width: 210px;
  }

  .tituloI {
    font-size: 2rem;
  }

  .quiz1,
  .quiz2 {
    padding: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}