:root {
  color-scheme: dark;
  --font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --bg: #171717;
  --surface: #202020;
  --surface-muted: #252525;
  --surface-elevated: #2b2b2b;
  --surface-hover: #303030;
  --text: #ececec;
  --text-strong: #ffffff;
  --muted: #a3a3a3;
  --muted-soft: #777777;
  --border: rgb(255 255 255 / 8%);
  --border-strong: rgb(255 255 255 / 16%);
  --focus: rgb(255 255 255 / 26%);
  --accent: #ececec;
  --accent-hover: #ffffff;
  --accent-contrast: #171717;
  --accent-soft: rgb(255 255 255 / 8%);
  --ok: #6fcf97;
  --ok-soft: rgb(111 207 151 / 10%);
  --warning: #e6ad55;
  --warning-soft: rgb(230 173 85 / 10%);
  --danger: #ef7777;
  --danger-soft: rgb(239 119 119 / 10%);
  --info: #b8c0cc;
  --info-soft: rgb(184 192 204 / 9%);
  --radius-xs: 5px;
  --radius-control: 8px;
  --radius-panel: 12px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 48px;
  --space-9: 72px;
  --container: 1180px;
  --transition-fast: 120ms ease;
  --transition-base: 180ms ease;
}

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

html {
  min-width: 280px;
  background: var(--bg);
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  min-width: 0;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 var(--font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
}

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

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--text-strong);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

h1 {
  font-size: clamp(2.35rem, 5vw, 4.25rem);
  font-weight: 720;
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.65rem);
  font-weight: 690;
}

h3 {
  font-size: 1.05rem;
  font-weight: 660;
}

::selection {
  background: var(--accent);
  color: var(--accent-contrast);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 8px;
  left: 8px;
  padding: 8px 12px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-control);
  background: var(--accent);
  color: var(--accent-contrast);
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(var(--container), calc(100% - 48px));
  margin-inline: auto;
}

.narrow-container {
  max-width: 830px;
  margin-left: max(0px, calc((100% - 830px) / 2));
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.header-inner {
  position: relative;
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-strong);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand img {
  flex: 0 0 auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  padding: 8px 11px;
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 620;
  text-decoration: none;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: var(--accent-soft);
  color: var(--text-strong);
}

.site-nav a[aria-current="page"] {
  border-color: var(--border);
}

.site-nav .nav-cta {
  margin-left: 8px;
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-contrast);
}

.site-nav .nav-cta:hover {
  border-color: var(--accent-hover);
  background: var(--accent-hover);
  color: var(--accent-contrast);
}

.nav-toggle {
  display: none;
  min-height: 38px;
  align-items: center;
  gap: 9px;
  padding: 0 11px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-control);
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.nav-toggle-label {
  font-size: 0.8125rem;
  font-weight: 650;
}

.nav-toggle-icon,
.nav-toggle-icon::before,
.nav-toggle-icon::after {
  display: block;
  width: 16px;
  height: 1px;
  background: currentcolor;
  content: "";
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle-icon {
  position: relative;
}

.nav-toggle-icon::before {
  position: absolute;
  top: -5px;
}

.nav-toggle-icon::after {
  position: absolute;
  top: 5px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

.hero {
  padding: 84px 0 80px;
  border-bottom: 1px solid var(--border);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(380px, 0.85fr);
  align-items: center;
  gap: clamp(44px, 7vw, 96px);
}

.hero-copy {
  max-width: 680px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--space-4);
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.3;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 620px;
  margin-bottom: var(--space-6);
  font-size: clamp(2.5rem, 4.1vw, 3.75rem);
}

.hero-lead {
  max-width: 660px;
  margin-bottom: var(--space-7);
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.22rem);
  line-height: 1.65;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 18px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-control);
  font-size: 0.9rem;
  font-weight: 690;
  line-height: 1.2;
  text-decoration: none;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.button:hover {
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(0);
}

.button-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-contrast);
}

.button-primary:hover {
  border-color: var(--accent-hover);
  background: var(--accent-hover);
}

.button-secondary {
  background: transparent;
  color: var(--text);
}

.button-secondary:hover {
  border-color: var(--focus);
  background: var(--accent-soft);
  color: var(--text-strong);
}

.button-disabled {
  border-color: var(--border);
  background: var(--surface-muted);
  color: var(--muted-soft);
  cursor: not-allowed;
}

.button-disabled:hover,
.button-disabled:active {
  transform: none;
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: var(--space-7) 0 0;
  padding: 0;
  color: var(--muted);
  font-size: 0.78rem;
  list-style: none;
}

.trust-list li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.trust-list li::before {
  width: 5px;
  height: 5px;
  border-radius: 2px;
  background: var(--ok);
  content: "";
}

.product-preview {
  width: 100%;
  max-width: 500px;
  margin-left: auto;
  padding: 16px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-panel);
  background: var(--surface);
}

.preview-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 2px 0 14px;
  border-bottom: 1px solid var(--border);
}

.preview-title,
.preview-muted {
  margin: 0;
}

.preview-title {
  color: var(--text-strong);
  font-size: 1rem;
  font-weight: 680;
}

.preview-muted {
  color: var(--muted);
  font-size: 0.68rem;
}

.preview-button {
  min-height: 30px;
  padding: 5px 10px;
  border: 1px solid var(--accent);
  border-radius: var(--radius-control);
  background: var(--accent);
  color: var(--accent-contrast);
  font-size: 0.7rem;
  font-weight: 680;
}

.preview-status {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 13px;
  padding: 13px 1px;
  color: var(--muted);
  font-size: 0.67rem;
}

.preview-status > span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.preview-status strong {
  color: var(--text);
  font-size: 0.75rem;
}

.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: 2px;
  background: var(--muted-soft);
}

.status-dot.ok {
  background: var(--ok);
}

.status-dot.warning {
  background: var(--warning);
}

.status-dot.info {
  background: var(--info);
}

.preview-course {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-panel);
  background: var(--surface-muted);
}

.preview-course + .preview-course {
  margin-top: 10px;
}

.preview-course-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 10px;
  padding: 12px;
  border-bottom: 1px solid var(--border);
}

.preview-course-header h2,
.preview-course-header p {
  margin: 0;
}

.preview-course-header h2 {
  font-size: 0.86rem;
  font-weight: 660;
}

.preview-course-header p {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.66rem;
}

.badge {
  display: inline-flex;
  min-height: 20px;
  align-items: center;
  width: fit-content;
  padding: 2px 7px;
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  background: transparent;
  color: var(--muted);
  font-size: 0.64rem;
  font-style: normal;
  font-weight: 680;
  line-height: 1;
  white-space: nowrap;
}

.badge.ok {
  border-color: rgb(111 207 151 / 28%);
  color: var(--ok);
}

.badge.changed,
.badge.warning {
  border-color: rgb(230 173 85 / 32%);
  color: var(--warning);
}

.badge.info {
  border-color: rgb(184 192 204 / 25%);
  color: var(--info);
}

.badge.danger {
  border-color: rgb(239 119 119 / 32%);
  color: var(--danger);
}

.preview-course-body {
  padding: 12px;
}

.preview-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: var(--surface-elevated);
}

.preview-stats > span {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 2px;
  padding: 7px 9px;
  border-right: 1px solid var(--border);
}

.preview-stats > span:last-child {
  border-right: 0;
}

.preview-stats small,
.preview-grades small,
.preview-attendance small {
  color: var(--muted);
  font-size: 0.61rem;
}

.preview-stats strong,
.preview-grades strong {
  overflow: hidden;
  color: var(--text);
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ok-text {
  color: var(--ok) !important;
}

.warning-text {
  color: var(--warning) !important;
}

.preview-attendance {
  display: grid;
  gap: 6px;
  margin-top: 11px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.preview-attendance > div:first-child {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--text);
  font-size: 0.69rem;
  font-weight: 620;
}

.attendance-bar {
  overflow: hidden;
  height: 4px;
  border-radius: 2px;
  background: rgb(255 255 255 / 9%);
}

.attendance-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--ok);
}

.preview-label {
  margin: 12px 0 6px;
  color: var(--muted);
  font-size: 0.6rem;
  font-weight: 680;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.preview-grades {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.preview-grades > span {
  display: inline-flex;
  min-height: 25px;
  align-items: center;
  gap: 5px;
  padding: 3px 7px;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.preview-grades > span.changed {
  border-color: rgb(230 173 85 / 35%);
}

.preview-grades > span.changed strong,
.preview-grades > span.changed em {
  color: var(--warning);
}

.preview-grades em {
  padding-left: 5px;
  border-left: 1px solid var(--border-strong);
  font-size: 0.52rem;
  font-style: normal;
  font-weight: 680;
  text-transform: uppercase;
}

.compact-course .preview-course-header {
  border-bottom: 0;
}

.preview-disclaimer {
  margin: 10px 0 0;
  color: var(--muted-soft);
  font-size: 0.65rem;
  text-align: right;
}

.section {
  padding: var(--space-9) 0;
  border-bottom: 1px solid var(--border);
}

.section-muted {
  background: var(--surface);
}

.section-compact {
  padding: var(--space-8) 0;
}

.section-heading {
  max-width: 690px;
  margin-bottom: var(--space-8);
}

.section-heading h2 {
  margin-bottom: var(--space-4);
}

.section-heading > p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.feature-card,
.action-card {
  min-width: 0;
  padding: var(--space-6);
  border: 1px solid var(--border);
  border-radius: var(--radius-panel);
  background: var(--surface);
}

.feature-card h3 {
  margin: 28px 0 12px;
  font-size: 1.2rem;
}

.feature-card p,
.action-card p {
  margin: 0;
  color: var(--muted);
}

.feature-index {
  color: #a8a8a8 !important;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(380px, 1fr);
  gap: clamp(48px, 8vw, 110px);
}

.split-heading .section-heading {
  margin: 0;
}

#como-funciona {
  padding-block: 60px;
}

#como-funciona .section-heading {
  max-width: 520px;
}

#como-funciona .section-heading h2 {
  max-width: 500px;
}

.steps-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: var(--space-4);
  padding: 0 0 24px;
  border-bottom: 1px solid var(--border);
}

.steps-list li + li {
  padding-top: 24px;
}

#como-funciona .steps-list li {
  gap: var(--space-3);
  padding-bottom: 20px;
}

#como-funciona .steps-list li + li {
  padding-top: 20px;
}

#como-funciona .steps-list li:last-child {
  padding-bottom: 0;
}

.steps-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.steps-list > li > span,
.installation-steps > li > span {
  display: inline-flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-control);
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
}

#como-funciona .steps-list > li > span {
  border-color: var(--focus);
  background: var(--accent-soft);
  color: var(--text);
}

.steps-list h3,
.steps-list p {
  margin: 0;
}

.steps-list h3 {
  margin-bottom: 5px;
}

.steps-list p {
  color: var(--muted);
}

.section[aria-labelledby="privacidade-resumo-title"] {
  padding: 0;
  border-bottom: 0;
  background: var(--bg);
}

.privacy-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-8);
  padding: 56px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: transparent;
}

.privacy-panel h2 {
  margin-bottom: 12px;
}

.privacy-panel .status-dot {
  display: none;
}

.privacy-panel p:last-child {
  max-width: 750px;
  margin: 0;
  color: var(--muted);
}

.action-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.action-card h2 {
  margin-bottom: 12px;
  font-size: clamp(1.4rem, 2.6vw, 2rem);
}

.action-card .eyebrow {
  margin-bottom: var(--space-4);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  color: var(--text-strong);
  font-size: 0.9rem;
  font-weight: 680;
  text-underline-offset: 4px;
}

.text-link:hover {
  color: var(--accent-hover);
}

.page-hero {
  padding: 72px 0 64px;
  border-bottom: 1px solid var(--border);
}

.page-hero h1 {
  margin-bottom: var(--space-5);
  font-size: clamp(2.4rem, 5vw, 4rem);
}

.page-hero p:not(.eyebrow, .updated-date) {
  max-width: 750px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.12rem;
}

.updated-date {
  margin: var(--space-5) 0 0;
  color: var(--muted-soft);
  font-size: 0.8rem;
}

.page-layout {
  display: grid;
  grid-template-columns: 210px minmax(0, 830px);
  justify-content: center;
  gap: clamp(48px, 7vw, 90px);
  padding-top: 64px;
  padding-bottom: 88px;
}

.page-index {
  align-self: start;
  position: sticky;
  top: 104px;
  padding-left: var(--space-4);
  border-left: 1px solid var(--border);
}

.page-index > p {
  margin-bottom: 10px;
  color: var(--text);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.page-index nav {
  display: grid;
}

.page-index a {
  padding: 6px 0;
  color: var(--muted);
  font-size: 0.8rem;
  text-decoration: none;
}

.page-index a:hover {
  color: var(--text-strong);
}

.prose {
  min-width: 0;
}

.prose > section {
  scroll-margin-top: 100px;
}

.prose > section + section {
  margin-top: 68px;
  padding-top: 68px;
  border-top: 1px solid var(--border);
}

.prose h2 {
  margin-bottom: var(--space-5);
  font-size: clamp(1.65rem, 3vw, 2.25rem);
}

.prose h3 {
  margin-bottom: 8px;
}

.prose p,
.prose li {
  color: var(--muted);
}

.prose a:not(.button) {
  color: var(--text);
  text-underline-offset: 3px;
}

.prose a:not(.button):hover {
  color: var(--text-strong);
}

code {
  padding: 2px 5px;
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  background: var(--surface-muted);
  color: var(--text);
  font: 0.86em/1.4 ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  overflow-wrap: anywhere;
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: var(--space-6);
}

.check-grid > div {
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: var(--surface);
}

.check-grid span {
  display: inline-block;
  height: 23px;
  margin-bottom: var(--space-4);
  color: #a8a8a8;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 23px;
}

.check-grid p {
  margin: 0;
  font-size: 0.88rem;
}

.check-grid strong {
  display: block;
  margin-bottom: 3px;
  color: var(--text);
}

.notice {
  display: grid;
  gap: 4px;
  margin-top: var(--space-5);
  padding: var(--space-4) var(--space-5);
  border-left: 2px solid var(--info);
  border-radius: 0 var(--radius-control) var(--radius-control) 0;
  background: var(--info-soft);
}

.notice strong {
  color: var(--text);
  font-size: 0.86rem;
}

.notice p {
  margin: 0;
  font-size: 0.88rem;
}

.notice-neutral {
  border: 1px solid #343434;
  border-left: 2px solid #a8a8a8;
  background: #202020;
}

.download-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  padding: var(--space-5);
  border: 1px solid var(--border);
  border-radius: var(--radius-panel);
  background: var(--surface);
}

.download-card > div {
  display: grid;
  gap: 5px;
}

.download-card strong {
  color: var(--text-strong);
}

.download-card span:not(.button) {
  color: var(--muted);
  font-size: 0.88rem;
}

.download-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: var(--space-3) 0 0;
  color: var(--muted-soft) !important;
  font-size: 0.78rem;
}

.prose .download-links a {
  color: inherit;
}

.installation-steps,
.plain-steps {
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
}

.installation-steps li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: var(--space-4);
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--border);
}

.installation-steps li:first-child {
  padding-top: 0;
}

.installation-steps li:last-child {
  border-bottom: 0;
}

.installation-steps h3,
.installation-steps p {
  margin: 0;
}

.installation-steps p {
  margin-top: 5px;
}

.source-note {
  margin: var(--space-5) 0 0;
  font-size: 0.82rem;
}

.plain-steps {
  counter-reset: plain-step;
}

.plain-steps li {
  position: relative;
  counter-increment: plain-step;
  padding: 10px 0 10px 34px;
  border-bottom: 1px solid var(--border);
}

.plain-steps li::before {
  position: absolute;
  left: 0;
  color: var(--muted-soft);
  font-size: 0.75rem;
  font-weight: 700;
  content: counter(plain-step, decimal-leading-zero);
}

.inline-cta,
.contact-panel {
  padding: var(--space-7) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-panel);
  background: var(--surface);
}

.inline-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: var(--space-6);
}

.inline-cta h2,
.contact-panel h2 {
  margin-bottom: 10px;
}

.inline-cta p:last-child,
.contact-panel p:last-child {
  margin-bottom: 0;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.support-grid article {
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: var(--surface);
}

.support-grid article > span {
  color: var(--muted-soft);
  font-size: 0.68rem;
  font-weight: 700;
}

.support-grid h3 {
  margin: 20px 0 8px;
  font-size: 0.96rem;
}

.support-grid p {
  margin: 0;
  font-size: 0.84rem;
}

.issue-list {
  border-top: 1px solid var(--border);
}

.issue-list article {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  align-items: start;
  gap: var(--space-5);
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--border);
}

.issue-list h3,
.issue-list p {
  margin: 0;
}

.issue-list p {
  margin-top: 6px;
}

.faq-list {
  border-top: 1px solid var(--border);
}

.faq-list details {
  border-bottom: 1px solid var(--border);
}

.faq-list summary {
  display: flex;
  min-height: 62px;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  color: var(--text);
  cursor: pointer;
  font-weight: 640;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary span {
  position: relative;
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}

.faq-list summary span::before,
.faq-list summary span::after {
  position: absolute;
  top: 7px;
  left: 2px;
  width: 12px;
  height: 1px;
  background: var(--muted);
  content: "";
}

.faq-list summary span::after {
  transform: rotate(90deg);
  transition: transform var(--transition-fast);
}

.faq-list details[open] summary span::after {
  transform: rotate(0);
}

.faq-list details p {
  max-width: 700px;
  margin: -2px 0 var(--space-5);
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-5);
}

.contact-panel .contact-address {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.82rem;
}

.legal-copy > section + section {
  margin-top: 56px;
  padding-top: 56px;
}

.legal-copy ul {
  display: grid;
  gap: 8px;
  padding-left: 20px;
}

.privacy-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: var(--border);
}

.privacy-summary-grid div {
  display: grid;
  gap: 7px;
  padding: var(--space-4);
  background: var(--surface);
}

.privacy-summary-grid strong {
  color: var(--text);
  font-size: 0.88rem;
}

.privacy-summary-grid span {
  color: var(--muted);
  font-size: 0.8rem;
}

.permission-list {
  border-top: 1px solid var(--border);
}

.permission-list > div {
  display: grid;
  grid-template-columns: minmax(170px, 0.35fr) minmax(0, 1fr);
  gap: var(--space-5);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--border);
}

.permission-list p {
  margin: 0;
}

.site-footer {
  padding: var(--space-8) 0 var(--space-6);
  background: var(--surface);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-7);
  padding-bottom: var(--space-7);
}

.footer-brand p {
  max-width: 390px;
  margin: var(--space-4) 0 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.footer-grid nav {
  display: grid;
  grid-template-columns: repeat(2, max-content);
  align-content: start;
  gap: 8px 28px;
}

.footer-grid nav a {
  color: var(--muted);
  font-size: 0.8rem;
  text-decoration: none;
}

.footer-grid nav a:hover {
  color: var(--text-strong);
}

.footer-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border);
}

.footer-meta p {
  margin: 0;
  color: var(--muted-soft);
  font-size: 0.7rem;
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(350px, 0.85fr);
    gap: 42px;
  }

  .feature-grid,
  .support-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-card:last-child,
  .support-grid article:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 820px) {
  .container {
    width: min(100% - 36px, var(--container));
  }

  .nav-toggle {
    display: inline-flex;
  }

  .js .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 3px;
    padding: 10px;
    border: 1px solid var(--border-strong);
    border-top: 0;
    border-radius: 0 0 var(--radius-panel) var(--radius-panel);
    background: var(--surface);
  }

  .js .site-nav[data-open="true"] {
    display: flex;
  }

  .site-nav a {
    padding: 10px 12px;
  }

  .site-nav .nav-cta {
    margin: 4px 0 0;
    text-align: center;
  }

  .hero {
    padding: 64px 0;
  }

  .hero-grid,
  .split-heading,
  .page-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-copy {
    max-width: 740px;
  }

  .product-preview {
    max-width: 620px;
    margin: 0;
  }

  .split-heading {
    gap: var(--space-8);
  }

  #como-funciona .split-heading {
    gap: var(--space-7);
  }

  .privacy-panel {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
  }

  .privacy-panel .button {
    justify-self: start;
  }

  .page-layout {
    gap: var(--space-8);
    padding-top: var(--space-8);
  }

  .page-index {
    position: static;
    padding: 0 0 var(--space-4);
    border-bottom: 1px solid var(--border);
    border-left: 0;
  }

  .page-index nav {
    display: flex;
    flex-wrap: wrap;
    gap: 3px 18px;
  }

  .page-index a {
    padding: 3px 0;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  .container {
    width: min(100% - 28px, var(--container));
  }

  .header-inner {
    min-height: 64px;
  }

  .brand img {
    width: 32px;
    height: 32px;
  }

  .hero,
  .page-hero {
    padding: 48px 0;
  }

  .hero h1,
  .page-hero h1 {
    font-size: clamp(2.05rem, 11vw, 3rem);
  }

  .hero-grid {
    gap: 44px;
  }

  .button-row,
  .button-row .button,
  .inline-cta .button,
  .contact-panel .button {
    width: 100%;
  }

  .trust-list {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .product-preview {
    padding: 12px;
  }

  .preview-status {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .preview-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .preview-stats > span:nth-child(2) {
    border-right: 0;
  }

  .preview-stats > span:last-child {
    grid-column: 1 / -1;
    border-top: 1px solid var(--border);
  }

  .section {
    padding: 54px 0;
  }

  #como-funciona {
    padding-block: 48px;
  }

  .section-heading {
    margin-bottom: var(--space-7);
  }

  .feature-grid,
  .action-grid,
  .check-grid,
  .support-grid,
  .privacy-summary-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .feature-card:last-child,
  .support-grid article:last-child {
    grid-column: auto;
  }

  .feature-card,
  .action-card,
  .inline-cta,
  .contact-panel {
    padding: var(--space-5) !important;
  }

  .download-card {
    align-items: stretch;
    flex-direction: column;
  }

  .privacy-panel {
    padding: 44px 0;
  }

  .inline-cta,
  .contact-panel {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
  }

  .page-layout {
    padding-bottom: 64px;
  }

  .prose > section + section,
  .legal-copy > section + section {
    margin-top: 48px;
    padding-top: 48px;
  }

  .issue-list article {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .permission-list > div {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-grid nav {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-meta {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 340px) {
  .container {
    width: min(100% - 20px, var(--container));
  }

  .brand span {
    font-size: 0.9rem;
  }

  .nav-toggle-label {
    display: none;
  }

  .preview-toolbar {
    align-items: flex-start;
  }

  .preview-button {
    padding-inline: 8px;
  }

  .preview-status,
  .preview-stats {
    grid-template-columns: minmax(0, 1fr);
  }

  .preview-stats > span,
  .preview-stats > span:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .preview-stats > span:last-child {
    grid-column: auto;
    border-top: 0;
    border-bottom: 0;
  }

  .preview-attendance > div:first-child {
    align-items: flex-start;
    flex-direction: column;
    gap: 2px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}