/* Terra Agora — Design Tokens & Base */

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

:root {
  /* Typography */
  --font-heading: 'Sora', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  --text-4xl: 3rem;
  --leading-4xl: 4rem;
  --text-3xl: 2.5rem;
  --leading-3xl: 3.5rem;
  --text-2xl: 2.0625rem;
  --leading-2xl: 3rem;
  --text-xl: 1.75rem;
  --leading-xl: 2.5rem;
  --text-lg: 1.4375rem;
  --leading-lg: 2.25rem;
  --text-md: 1.1875rem;
  --leading-md: 2rem;
  --text-base: 1rem;
  --leading-base: 1.5rem;
  --text-sm: 0.8125rem;
  --leading-sm: 1.5rem;
  --text-xs: 0.6875rem;
  --leading-xs: 1.25rem;

  /* Primária */
  --primaria-50: #F4F7F5;
  --primaria-100: #DDE6E1;
  --primaria-200: #C6D6CE;
  --primaria-300: #98B5A6;
  --primaria-400: #6B947E;
  --primaria-500: #1B5B39;
  --primaria-600: #195434;
  --primaria-700: #16492E;
  --primaria-800: #123E27;
  --primaria-900: #0F321F;
  --primaria-950: #0C291A;

  /* Secundária */
  --secundaria-50: #FAF7F5;
  --secundaria-100: #F0E6E0;
  --secundaria-200: #E5D6CC;
  --secundaria-300: #D1B5A2;
  --secundaria-400: #BC9479;
  --secundaria-500: #985A31;
  --secundaria-600: #8C532D;
  --secundaria-700: #7A4827;
  --secundaria-800: #673D21;
  --secundaria-900: #54321B;
  --secundaria-950: #442916;

  /* Neutra */
  --neutra-50: #FAF9F7;
  --neutra-100: #EFEDEB;
  --neutra-200: #E4E0D9;
  --neutra-300: #CEC8BA;
  --neutra-400: #B9AF9C;
  --neutra-500: #938466;
  --neutra-600: #87795E;
  --neutra-700: #766A52;
  --neutra-800: #645A45;
  --neutra-900: #514938;
  --neutra-950: #423B2E;

  /* Layout */
  --header-height: 64px;
  --container-max: 75rem;
  --container-padding: 1rem;

  /* Breakpoints (reference only) */
  --bp-sm: 36rem;
  --bp-md: 48rem;
  --bp-lg: 64rem;

  --shadow-card: 0 4px 24px rgba(84, 50, 27, 0.1);
  --shadow-card-hover: 0 8px 32px rgba(84, 50, 27, 0.14);
  --shadow-green: 0 4px 24px rgba(18, 62, 39, 0.1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-base);
  color: var(--neutra-900);
  background-color: var(--neutra-50);
}

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

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

ul {
  list-style: none;
}

/* Typography */

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.2;
}

/* Layout */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.section {
  padding-block: 4rem;
  background-color: var(--section-bg, var(--neutra-50));
  color: var(--section-text, var(--neutra-900));
}

.section__title {
  font-size: var(--text-2xl);
  line-height: var(--leading-2xl);
  margin-bottom: 0.75rem;
  color: var(--section-text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-align: center;
}

.section__lead {
  font-size: var(--text-md);
  line-height: var(--leading-md);
  max-width: 42rem;
  margin-bottom: 2.5rem;
  margin-inline: auto;
  text-align: center;
  opacity: 0.9;
}

/* Site Brand */

.site-brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  min-width: 0;
  flex-shrink: 1;
}

.site-brand__logo {
  width: 2.5rem;
  height: 2.5rem;
  object-fit: contain;
}

.site-brand__name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: 1;
  font-weight: 400;
}

.site-brand__terra {
  color: var(--primaria-800);
}

.site-brand__agora {
  color: var(--primaria-300);
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: #fff;
  border-bottom: 1px solid var(--neutra-200);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 1rem;
}

/* CTA Button */

.btn-cta {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: var(--leading-sm);
  font-weight: 700;
  color: #fff;
  background-color: var(--primaria-800);
  border-radius: 9999px;
  border: 2px solid transparent;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: background-color 0.15s, transform 0.15s;
  white-space: nowrap;
}

.btn-cta:hover {
  background-color: var(--primaria-700);
  transform: translateY(-1px);
}

.btn-cta:focus-visible {
  outline: 2px solid var(--primaria-300);
  outline-offset: 2px;
}

.btn-cta--header {
  flex-shrink: 0;
  font-size: var(--text-xs);
  padding: 0.5rem 0.875rem;
}

/* Hero */

.hero {
  position: relative;
  padding: 0;
  min-height: 26.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: url('../images/hero.jpg') center / cover no-repeat;
}

.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero__overlay {
  position: relative;
  z-index: 2;
  max-width: 40rem;
  margin-inline: var(--container-padding);
  padding: 2rem 2.5rem;
  background-color: rgba(255, 255, 255, 0.95);
  border-radius: 1rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  text-align: center;
}

@media (prefers-reduced-motion: reduce) {
  .hero__video {
    display: none;
  }
}

.hero__title {
  font-size: var(--text-2xl);
  line-height: var(--leading-2xl);
  color: var(--primaria-800);
  margin-bottom: 1.5rem;
}

/* Números Climáticos */

#numeros {
  --section-bg: var(--secundaria-50);
  --section-text: var(--secundaria-900);
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.stat-block {
  padding: 1.75rem 1.5rem;
  background-color: #fff;
  border: none;
  border-radius: 0.75rem;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s, transform 0.2s;
}

.stat-block:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.stat-block__icon {
  display: block;
  width: 2.5rem;
  height: 2.5rem;
  margin: 0 auto 1rem;
  fill: var(--secundaria-600);
}

.stat-block__number {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  line-height: var(--leading-3xl);
  color: var(--secundaria-700);
  margin-bottom: 0.5rem;
}

.stat-block__label {
  font-size: var(--text-sm);
  line-height: var(--leading-sm);
  color: var(--secundaria-800);
}

/* Notícias */

#noticias {
  --section-bg: var(--secundaria-200);
  --section-text: var(--secundaria-900);
}

.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.news-card {
  background-color: #fff;
  border-radius: 0.75rem;
  border: none;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s, transform 0.2s;
}

.news-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.news-card__img {
  width: 100%;
  height: 12.5rem;
  object-fit: cover;
}

.news-card__body {
  padding: 1.5rem;
}

.news-card--positive {
  box-shadow: var(--shadow-green);
}

.news-card--positive:hover {
  box-shadow: 0 8px 32px rgba(18, 62, 39, 0.16);
}

.news-card__title {
  font-size: var(--text-lg);
  line-height: var(--leading-lg);
  margin-bottom: 0.75rem;
  color: var(--section-text);
}

.news-card__text {
  font-size: var(--text-base);
  line-height: var(--leading-base);
  opacity: 0.85;
}

/* Ponte */

#ponte {
  --section-text: var(--neutra-700);
  background: linear-gradient(
    180deg,
    var(--secundaria-100) 0%,
    var(--primaria-50) 100%
  );
  text-align: center;
  padding-block: 5rem;
}

.ponte__content {
  max-width: 40rem;
}

.ponte__icon {
  display: block;
  width: 3rem;
  height: 3rem;
  margin: 0 auto 1.25rem;
  fill: var(--primaria-500);
}

#ponte .section__title {
  color: var(--primaria-800);
}

#ponte .section__lead {
  color: var(--neutra-700);
}

/* Ações pelo mundo */

#mundo {
  --section-bg: var(--secundaria-50);
  --section-text: var(--secundaria-900);
}

.news-feed {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.news-feed__item {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  background-color: #fff;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s, transform 0.2s;
}

.news-feed__item:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.news-feed__item:focus-visible {
  outline: 2px solid var(--primaria-300);
  outline-offset: 2px;
}

.news-feed__img {
  width: 7.5rem;
  flex-shrink: 0;
  object-fit: cover;
  align-self: stretch;
  min-height: 6.5rem;
}

.news-feed__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1rem 1.25rem;
  min-width: 0;
}

.news-feed__title {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  line-height: var(--leading-base);
  color: var(--primaria-800);
  margin-bottom: 0.375rem;
}

.news-feed__text {
  font-size: var(--text-sm);
  line-height: var(--leading-sm);
  opacity: 0.85;
}

/* Otimismo */

#otimismo {
  --section-bg: var(--primaria-50);
  --section-text: var(--primaria-900);
}

#otimismo .news-card__title {
  color: var(--primaria-800);
}

/* Cuidados */

#cuidados {
  --section-bg: var(--primaria-50);
  --section-text: var(--primaria-900);
}

.cuidados-layout {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* xs/sm — versão aberta: todos os cards visíveis, sem nav/hover */
.cuidados-nav {
  display: none;
}

.cuidados-panels {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: 100%;
}

.cuidados-panel {
  background-color: #fff;
  border-radius: 0.75rem;
  box-shadow: var(--shadow-green);
  overflow: hidden;
}

.section__lead--desktop {
  display: none;
}

.section__lead--mobile {
  display: block;
}

.cuidados-panel__img {
  width: 100%;
  height: 11rem;
  object-fit: cover;
}

.cuidados-panel__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  line-height: var(--leading-xl);
  color: var(--primaria-800);
  padding: 1.25rem 1.5rem 0.5rem;
}

.cuidados-panel__text {
  font-size: var(--text-base);
  line-height: var(--leading-base);
  color: var(--primaria-900);
  padding: 0 1.5rem 1.5rem;
  opacity: 0.9;
}

/* Footer */

.site-footer {
  background-color: var(--primaria-900);
  color: var(--primaria-100);
  padding-block: 2.5rem;
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
}

.site-footer .site-brand__terra {
  color: var(--primaria-200);
}

.site-footer .site-brand__agora {
  color: var(--primaria-200);
}

.site-footer__credit {
  font-size: var(--text-xs);
  line-height: var(--leading-xs);
  opacity: 0.7;
  max-width: 36rem;
}

/* Focus visible (global) */

:focus-visible {
  outline: 2px solid var(--primaria-300);
  outline-offset: 2px;
}

/* Breakpoint: sm (576px) */

@media (min-width: 36rem) {
  :root {
    --container-padding: 1.25rem;
  }

  .hero {
    min-height: 28rem;
  }

  .hero__title {
    font-size: var(--text-3xl);
    line-height: var(--leading-3xl);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cards-grid > :last-child:nth-child(odd) {
    grid-column: 1 / -1;
    width: calc((100% - 1.5rem) / 2);
    max-width: calc((100% - 1.5rem) / 2);
    justify-self: center;
  }

  .news-feed__img {
    width: 10rem;
  }

  .news-feed__title {
    font-size: var(--text-lg);
    line-height: var(--leading-lg);
  }
}

/* Breakpoint: md (768px) */

@media (min-width: 48rem) {
  :root {
    --header-height: 72px;
    --container-padding: 1.5rem;
  }

  .section {
    padding-block: 5rem;
  }

  .section__title {
    font-size: var(--text-3xl);
    line-height: var(--leading-3xl);
  }

  .hero {
    min-height: 32.5rem;
  }

  .hero__overlay {
    padding: 2.5rem 3rem;
  }

  .hero__title {
    font-size: var(--text-3xl);
    line-height: var(--leading-3xl);
  }

  .btn-cta--header {
    font-size: var(--text-sm);
    padding: 0.625rem 1.25rem;
  }

  .news-feed__img {
    width: 12.5rem;
    min-height: 8rem;
  }

  .news-feed__body {
    padding: 1.25rem 1.5rem;
  }

  .cuidados-layout {
    flex-direction: row;
    align-items: stretch;
    gap: 2rem;
    min-height: 28rem;
  }

  .section__lead--desktop {
    display: block;
  }

  .section__lead--mobile {
    display: none;
  }

  .cuidados-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: 30%;
    flex-shrink: 0;
  }

  .cuidados-nav__item {
    padding: 1rem 1.25rem;
    font-family: var(--font-heading);
    font-size: var(--text-base);
    line-height: var(--leading-base);
    color: var(--primaria-800);
    background-color: #fff;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-green);
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s, box-shadow 0.2s;
  }

  .cuidados-nav__item:hover,
  .cuidados-nav__item:focus {
    background-color: var(--primaria-500);
    color: #fff;
    box-shadow: 0 6px 20px rgba(27, 91, 57, 0.25);
    outline: none;
  }

  .cuidados-panels {
    display: block;
    position: relative;
    width: 70%;
    min-height: 28rem;
  }

  .cuidados-panel {
    position: absolute;
    inset: 0;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }

  .cuidados-panel:first-child {
    opacity: 1;
    visibility: visible;
  }

  .cuidados-layout:has(.cuidados-nav__item:hover) .cuidados-panel,
  .cuidados-layout:has(.cuidados-nav__item:focus) .cuidados-panel {
    opacity: 0;
    visibility: hidden;
  }

  .cuidados-layout:has(.cuidados-nav__item:nth-child(1):hover) .cuidados-panel:nth-child(1),
  .cuidados-layout:has(.cuidados-nav__item:nth-child(1):focus) .cuidados-panel:nth-child(1),
  .cuidados-layout:not(:has(.cuidados-nav__item:hover)):not(:has(.cuidados-nav__item:focus)) .cuidados-panel:nth-child(1) {
    opacity: 1;
    visibility: visible;
  }

  .cuidados-layout:has(.cuidados-nav__item:nth-child(2):hover) .cuidados-panel:nth-child(2),
  .cuidados-layout:has(.cuidados-nav__item:nth-child(2):focus) .cuidados-panel:nth-child(2) {
    opacity: 1;
    visibility: visible;
  }

  .cuidados-layout:has(.cuidados-nav__item:nth-child(3):hover) .cuidados-panel:nth-child(3),
  .cuidados-layout:has(.cuidados-nav__item:nth-child(3):focus) .cuidados-panel:nth-child(3) {
    opacity: 1;
    visibility: visible;
  }

  .cuidados-layout:has(.cuidados-nav__item:nth-child(4):hover) .cuidados-panel:nth-child(4),
  .cuidados-layout:has(.cuidados-nav__item:nth-child(4):focus) .cuidados-panel:nth-child(4) {
    opacity: 1;
    visibility: visible;
  }

  .cuidados-layout:has(.cuidados-nav__item:nth-child(5):hover) .cuidados-panel:nth-child(5),
  .cuidados-layout:has(.cuidados-nav__item:nth-child(5):focus) .cuidados-panel:nth-child(5) {
    opacity: 1;
    visibility: visible;
  }

  .cuidados-layout:has(.cuidados-nav__item:nth-child(6):hover) .cuidados-panel:nth-child(6),
  .cuidados-layout:has(.cuidados-nav__item:nth-child(6):focus) .cuidados-panel:nth-child(6) {
    opacity: 1;
    visibility: visible;
  }

  .cuidados-layout:has(.cuidados-nav__item:nth-child(7):hover) .cuidados-panel:nth-child(7),
  .cuidados-layout:has(.cuidados-nav__item:nth-child(7):focus) .cuidados-panel:nth-child(7) {
    opacity: 1;
    visibility: visible;
  }

  .cuidados-layout:has(.cuidados-nav__item:nth-child(8):hover) .cuidados-panel:nth-child(8),
  .cuidados-layout:has(.cuidados-nav__item:nth-child(8):focus) .cuidados-panel:nth-child(8) {
    opacity: 1;
    visibility: visible;
  }

  .cuidados-panel__img {
    height: 13rem;
  }
}

/* Breakpoint: lg (1024px) */

@media (min-width: 64rem) {
  :root {
    --container-padding: 2rem;
  }

  .site-header__inner {
    gap: 2rem;
  }

  .btn-cta--header {
    padding: 0.75rem 1.5rem;
  }

  .hero__title {
    font-size: var(--text-4xl);
    line-height: var(--leading-4xl);
  }

  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .cards-grid > :last-child:nth-child(odd) {
    grid-column: auto;
    width: auto;
    max-width: none;
    justify-self: stretch;
  }
}