/* O design-system.css é carregado pelo header.php antes deste arquivo. */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-accent-dark);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: var(--leading-tight);
  color: var(--color-primary);
}

h1 { font-size: var(--text-4xl); font-weight: 700; }
h2 { font-size: var(--text-3xl); font-weight: 600; }
h3 { font-size: var(--text-2xl); font-weight: 600; }
h4 { font-size: var(--text-xl); font-weight: 600; }
h5 { font-size: var(--text-lg); font-weight: 600; }
h6 { font-size: var(--text-base); font-weight: 600; }

p, ul, ol {
  line-height: var(--leading-relaxed);
  color: var(--color-text-light);
}

ul, ol {
  padding-left: 1.25rem;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.container-sm {
  width: 100%;
  max-width: var(--max-width-sm);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

section {
  padding: var(--spacing-3xl) 0;
}

.section-dark {
  background-color: var(--color-bg-dark);
  color: var(--color-white);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4,
.section-dark p,
.section-dark .section-subtitle {
  color: var(--color-white);
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.75rem 1.5rem;
  border: 2px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn-outline:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
  transform: translateY(-1px);
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn-accent:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: var(--text-base);
}

.card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition);
}

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

.card-body {
  padding: var(--spacing-lg);
}

.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--spacing-md);
  padding: 0.5rem 1rem;
  background: var(--color-primary);
  color: var(--color-white);
  z-index: 10000;
  border-radius: 0 0 var(--radius) var(--radius);
}

.skip-link:focus {
  top: 0;
}

@media (max-width: 768px) {
  section {
    padding: var(--spacing-2xl) 0;
  }

  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }
  h3 { font-size: var(--text-xl); }
}

/* ===== TOPBAR ===== */
.topbar {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border-light);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.topbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.topbar-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--text-sm);
  color: var(--color-text-light);
  text-decoration: none;
  transition: color var(--transition);
}

.topbar-item:hover {
  color: var(--color-primary);
}

.topbar-item i {
  font-size: var(--text-base);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.topbar-social {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  transition: all var(--transition);
}

.topbar-social:hover {
  color: var(--color-primary);
  background: var(--color-border-light);
}

@media (max-width: 768px) {
  .topbar-left .topbar-item span {
    display: none;
  }
  .topbar {
    height: auto;
    padding: var(--spacing-xs) 0;
  }
}

/* ===== NAVIGATION ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 7776;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border-light);
  height: var(--nav-height);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.nav-logo img {
  width: 36px;
  height: auto;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav-open .nav-toggle span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.nav-open .nav-toggle span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.nav-menu > ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-menu ul li {
  position: relative;
}

.nav-menu ul li a {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: calc((var(--nav-height) - 20px) / 2) var(--spacing-md);
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: var(--text-sm);
  color: var(--color-text-light);
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
  height: var(--nav-height);
}

.nav-menu ul li a:hover,
.nav-menu ul li a.active {
  color: var(--color-primary);
  background: var(--color-bg-alt);
}

.nav-menu ul li a.active {
  font-weight: 600;
}

.nav-dropdown .arrow-down {
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid var(--color-text-muted);
  margin-left: 4px;
  transition: transform var(--transition);
}

.nav-submenu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-xs) 0;
  z-index: 9999;
  list-style: none;
}

.nav-submenu .nav-submenu {
  list-style: none;
}

.nav-dropdown:hover > .nav-submenu {
  display: block;
}

.nav-submenu li {
  width: 100%;
  position: relative;
}

.nav-submenu li a {
  padding: var(--spacing-sm) var(--spacing-lg);
  height: auto;
  white-space: nowrap;
}

/* Nested submenus (3rd level) */
.nav-submenu .nav-submenu {
  top: 0;
  left: 100%;
}

.nav-submenu .nav-dropdown:hover > .nav-submenu {
  display: block;
}

.nav-submenu .nav-dropdown > a .arrow-down {
  border-top-color: var(--color-text-muted);
}

.nav-submenu .nav-dropdown > a {
  justify-content: space-between;
}

.nav-donate {
  flex-shrink: 0;
  padding: 0.5rem 1rem;
  font-size: var(--text-xs);
}

.nav-overlay {
  display: none;
}

@media (max-width: 940px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    display: none;
    position: fixed;
    top: calc(var(--header-height) + var(--nav-height));
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    z-index: 9998;
    overflow-y: auto;
    padding: var(--spacing-md);
  }

  .nav-open .nav-menu {
    display: block;
  }

  .nav-menu > ul {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-menu ul li a {
    height: auto;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border-light);
    white-space: normal;
  }

  .nav-submenu {
    display: none;
    position: static;
    box-shadow: none;
    border: none;
    background: var(--color-bg-alt);
    border-radius: 0;
  }

  .nav-dropdown-open > .nav-submenu {
    display: block;
  }

  .nav-dropdown-open > a .arrow-down {
    transform: rotate(180deg);
  }

  /* Nested submenus in mobile */
  .nav-submenu .nav-submenu {
    left: 0;
    top: 0;
    padding-left: var(--spacing-md);
  }

  .nav-submenu .nav-dropdown-open > .nav-submenu {
    display: block;
  }

  .nav-submenu .nav-dropdown > a {
    padding-left: var(--spacing-lg);
  }

  .nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 7775;
  }

  .nav-open ~ .nav-overlay {
    display: block;
  }

  .nav-donate {
    display: none;
  }

  .nav-open .nav-donate {
    display: flex;
    margin-top: var(--spacing-md);
  }
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-3xl) 0 0;
}

.site-footer h4 {
  color: var(--color-white);
  font-size: var(--text-sm);
  margin-top: var(--spacing-sm);
}

.site-footer p {
  color: rgba(255,255,255,0.8);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
}

.footer-logo {
  width: 150px;
  height: auto;
  margin: 0 auto;
}

.footer-logo-sm {
  width: 100px;
  height: auto;
  margin: 0 auto;
  transition: transform var(--transition);
}

.footer-logo-sm:hover {
  transform: scale(1.1);
}

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

.footer-bottom {
  margin-top: var(--spacing-2xl);
  padding: var(--spacing-md) 0;
  border-top: 1px solid rgba(255,255,255,0.15);
  text-align: center;
}

.footer-bottom p {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.6);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 50px;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 999;
  box-shadow: var(--shadow-md);
}

.back-to-top.visible {
  opacity: 0.85;
  visibility: visible;
}

.back-to-top:hover {
  opacity: 1;
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.back-to-top i {
  font-size: 1.5rem;
}

/* ===== PAGE HERO ===== */
/* Todas as páginas internas usam .page-hero para manter a mesma altura,
   independentemente do título e do subtítulo. */
section.page-hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 240px;
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: var(--color-white);
  text-align: center;
  overflow: hidden;
}

section.page-hero > .container {
  width: 100%;
}

.page-hero h1 {
  color: var(--color-white);
  font-size: var(--text-4xl);
  margin-bottom: var(--spacing-sm);
}

.page-hero p {
  color: rgba(255,255,255,0.8);
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  section.page-hero {
    min-height: 190px;
    padding: var(--spacing-xl) 0;
  }
}

/* ===== CONTENT ===== */
.content-section {
  padding: var(--spacing-3xl) 0;
}

.content-text {
  max-width: 800px;
  margin: 0 auto;
}

.content-text p {
  margin-bottom: var(--spacing-md);
}

/* ===== FORM STYLES ===== */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-white);
  font-size: var(--text-base);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(65,105,225,0.15);
}

.form-control.input-error {
  border-color: var(--color-error);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12'%3E%3Cpath d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.field-error {
  display: none;
  color: var(--color-error);
  font-size: var(--text-sm);
  margin-top: var(--spacing-xs);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ===== HERO WITH OVERLAY ===== */
.hero-overlay {
  position: relative;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.hero-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
}

.hero-overlay > * {
  position: relative;
  z-index: 1;
}

/* ===== CERTIFICATION GRID ===== */
.cert-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-xl);
}

.cert-grid img {
  max-width: 120px;
  height: auto;
  transition: transform var(--transition);
  filter: grayscale(0.2);
}

.cert-grid img:hover {
  transform: scale(1.1);
  filter: grayscale(0);
}

/* ===== YOUTUBE GRID ===== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.video-wrapper iframe,
.video-wrapper video {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  border: 0;
  background: #000;
}

@media (max-width: 768px) {
  .video-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== CEI CARDS ===== */
.cei-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition);
}

.cei-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.cei-card-image {
  overflow: hidden;
}

.cei-card-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.cei-card:hover .cei-card-image img {
  transform: scale(1.1);
}

.cei-card-header {
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
}

.cei-card-body {
  padding: var(--spacing-md);
}

.cei-card-body h3 {
  color: var(--color-primary);
  font-size: var(--text-base);
  margin-bottom: var(--spacing-xs);
}

.cei-card-body p {
  color: var(--color-text-light);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.cei-card-body .cei-activity-title {
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-base);
  margin-bottom: var(--spacing-xs);
}

.cei-activity-desc {
  font-size: var(--text-sm);
  line-height: 1.6;
  letter-spacing: 0.3px;
  margin-bottom: var(--spacing-xs);
}

.cei-activity-teacher {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-style: italic;
}

/* ===== NFP BANNER ===== */
.nfp-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: var(--color-white);
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

.nfp-banner h2 {
  color: var(--color-white);
  font-size: var(--text-3xl);
  margin-bottom: var(--spacing-sm);
}

.nfp-banner p {
  color: rgba(255,255,255,0.9);
  font-size: var(--text-lg);
  margin-bottom: var(--spacing-lg);
}

/* ===== VALUES CARDS (Home) ===== */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.value-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.value-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.value-card .svg-icon {
  width: 64px;
  height: 64px;
  fill: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.value-icon-wrap {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
  transition: transform var(--transition), box-shadow var(--transition);
}

.value-icon-wrap i {
  font-size: 1.75rem;
  color: var(--color-white);
}

.value-card:hover .value-icon-wrap {
  transform: scale(1.1) rotate(-5deg);
  box-shadow: 0 8px 24px rgba(20, 20, 92, 0.3);
}

.value-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-sm);
}

.value-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .values-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== DONATION BANNER SECTION ===== */
.donation-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: var(--color-white);
  padding: var(--spacing-3xl) 0;
  text-align: center;
}

.donation-banner h2 {
  color: var(--color-white);
  font-size: var(--text-3xl);
  margin-bottom: var(--spacing-md);
}

.donation-banner p {
  color: rgba(255,255,255,0.9);
  font-size: var(--text-lg);
  margin-bottom: var(--spacing-lg);
}

.donation-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin: var(--spacing-2xl) 0;
}

.donation-step {
  text-align: center;
  padding: var(--spacing-lg);
}

.donation-step .step-number {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.2);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  margin: 0 auto var(--spacing-md);
}

.donation-step h4 {
  color: var(--color-white);
  font-size: var(--text-base);
  margin-bottom: var(--spacing-xs);
}

.donation-step p {
  color: rgba(255,255,255,0.8);
  font-size: var(--text-sm);
}

@media (max-width: 768px) {
  .donation-steps {
    grid-template-columns: 1fr;
  }
}