@import url('intelbras-sans.css');
@import url('tokens.css');

:root {
  --ink: var(--defense-ink);
  --muted: var(--medium-gray-color);
  --line: var(--divisor-color);
}
html.guide-dark,
body.guide-dark {
  color-scheme: dark;
  --ink: #e8e8e8;
  --muted: #b9b9b9;
  --line: #303334;
  --white-color: #181a1b;
  --clean-gray-color: #202223;
  --defense-ink: #e8e8e8;
  --defense-deep: #153b31;
  --defense-soft: #20382f;
  --primary-color: #00b26b;
  --primary-dark-color: #00852b;
  --success-color: #01e675;
  --defense-accent: #06cb3f;
}
* {
  box-sizing: border-box;
}
html {
  scroll-padding-top: var(--header-offset, 121px);
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--clean-gray-color);
  font: 400 16px/1.65 var(--font-brand);
}
a {
  color: var(--primary-dark-color);
}
a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--primary-color);
  outline-offset: 5px;
}
img {
  max-width: 100%;
  height: auto;
}
h1,
h2,
h3,
p,
figure {
  margin: 0;
}
h1,
h2,
h3 {
  line-height: 1.2;
}
h2 {
  font-size: 30px;
  font-weight: 300;
  letter-spacing: -0.7px;
}
.container {
  width: min(1300px, calc(100% - var(--space4)));
  margin-inline: auto;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white-color);
  border-top: 4px solid var(--primary-color);
  border-bottom: 1px solid var(--line);
}
.header-content {
  display: flex;
  align-items: center;
  gap: var(--space3-only);
  min-height: 88px;
}
.brand {
  display: flex;
  flex-shrink: 0;
}
.header-label {
  border-left: 1px solid var(--line);
  padding-left: var(--space3-only);
  color: var(--muted);
  font-size: 14px;
}
nav {
  display: flex;
  gap: var(--space3-only);
  margin-left: auto;
}
nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding-block: 10px;
}
nav a:hover {
  color: var(--primary-color);
  text-decoration: underline;
}
.guide-theme-toggle {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--white-color);
  color: var(--ink);
  font: 500 13px/1.4 var(--font-brand);
  white-space: nowrap;
  cursor: pointer;
}
.guide-theme-toggle:hover {
  border-color: var(--primary-color);
  background: var(--defense-soft);
}
.guide-theme-toggle:focus-visible {
  outline: 3px solid var(--primary-color);
  outline-offset: 3px;
}
.guide-theme-icon {
  font-size: 18px;
  line-height: 1;
}
.hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space7-only);
  align-items: center;
  padding-block: var(--space6-only) var(--space6-only);
}
.eyebrow {
  color: var(--primary-color);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.6px;
  margin-bottom: 14px;
}
.version {
  display: inline-block;
  background: var(--defense-soft);
  border: 1px solid #cee5d7;
  border-radius: var(--radius-pill);
  padding: 3px 12px;
  margin-left: 12px;
  letter-spacing: 0;
  font-weight: 500;
}
h1 {
  font-size: clamp(40px, 5vw, 60px);
  letter-spacing: -2px;
  font-weight: 300;
}
h1 span {
  color: var(--primary-color);
  font-weight: 500;
}
.hero-description {
  max-width: 500px;
  margin: 22px 0 var(--space4-only);
  color: var(--muted);
  font-size: 18px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space3-only);
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  background: var(--defense-accent);
  color: var(--defense-ink);
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  transition: background-color 0.2s ease-in-out;
}
.button:hover {
  background: var(--primary-color);
  color: var(--white-color);
}
.intro-card {
  background: var(--defense-ink);
  border-radius: var(--radius-lg);
  padding: var(--space5-only);
  color: var(--white-color);
}
body.guide-dark .intro-card {
  background: #181a1b;
  border: 1px solid var(--line);
}
.intro-card .eyebrow {
  color: var(--defense-accent);
}
.intro-card h2 {
  font-size: 32px;
  max-width: 330px;
  margin-bottom: 20px;
  color: var(--defense-accent);
}
.intro-card > p:not(.eyebrow) {
  color: #d5e1e2;
}
body.guide-dark .intro-card > p:not(.eyebrow) {
  color: #c5cecb;
}
.intro-footer {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-top: var(--space3-only);
  padding-top: var(--space2-only);
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 12px;
  color: #b9cccd;
}
.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--defense-accent);
  flex-shrink: 0;
}
.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space3-only);
  margin-bottom: var(--space3-only);
}
.section-heading .eyebrow {
  margin-bottom: 8px;
}
.section-heading > p {
  font-size: 14px;
  color: var(--muted);
}
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space2-only);
}
.guide-card {
  display: flex;
  flex-direction: column;
  padding: var(--space3-only);
  background: var(--white-color);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--ink);
  transition:
    border-color 0.15s,
    box-shadow 0.15s;
}
.guide-card:hover {
  border-color: var(--primary-color);
  box-shadow: 0 6px 20px rgba(23, 49, 52, 0.08);
}
.card-top {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: var(--space3-only);
}
.card-number {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--defense-soft);
  color: var(--primary-dark-color);
  font-size: 16px;
  font-weight: 500;
  flex-shrink: 0;
}
.card-category {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.65px;
  color: var(--muted);
}
.guide-card h3 {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.4px;
  margin-bottom: 12px;
}
.guide-card p {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: var(--space3-only);
}
.card-link {
  display: flex;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 17px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  font-weight: 500;
  color: var(--primary-dark-color);
}
.reading-tip {
  margin-top: 20px;
  color: var(--muted);
  font-size: 13px;
}
.architecture {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space6-only);
  margin-top: var(--space6-only);
  padding-block: var(--space5-only);
  border-block: 1px solid var(--line);
}
.architecture h2 {
  max-width: 430px;
  margin-bottom: 22px;
}
.architecture p:not(.eyebrow) {
  color: var(--muted);
  margin-bottom: var(--space2-only);
}
.text-link {
  font-size: 14px;
  font-weight: 500;
  text-underline-offset: 4px;
}
figure {
  background: var(--white-color);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space3-only);
  text-align: center;
}
figure img {
  display: block;
  width: 100%;
  max-width: 410px;
  margin: auto;
}
figcaption {
  font-size: 12px;
  color: var(--muted);
  margin-top: 14px;
}
.documents-section {
  padding-top: var(--space5-only);
}
.document-list {
  background: var(--white-color);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.document-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space3-only);
  padding: 22px var(--space3-only);
  color: var(--ink);
  text-decoration: none;
}
.document-row + .document-row {
  border-top: 1px solid var(--line);
}
.document-row:hover {
  background: var(--defense-soft);
}
.document-row strong {
  display: block;
  font-size: 16px;
  font-weight: 500;
}
.document-row > span > span:not([aria-hidden]) {
  font-size: 13px;
  color: var(--muted);
}
.document-type {
  font-size: 12px;
  color: var(--primary-dark-color);
  white-space: nowrap;
}
.document-type > span {
  margin-left: 12px;
}
.about-section {
  padding-block: var(--space5-only);
}
.about-section h2 {
  font-size: 24px;
  font-weight: 500;
  margin-bottom: 12px;
}
.about-section > p {
  color: var(--muted);
  font-size: 14px;
  max-width: 860px;
}
.manual-notices {
  margin-top: 20px;
  border-block: 1px solid var(--line);
}
summary {
  padding: var(--space2-only) 0;
  cursor: pointer;
  color: var(--primary-dark-color);
  font-weight: 500;
  font-size: 14px;
}
.notice-content {
  color: var(--muted);
  font-size: 13px;
  padding-bottom: 20px;
}
.notice-content p + p {
  margin-top: 12px;
}
.support {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space3);
  background: var(--defense-deep);
  border-radius: var(--radius-lg);
  padding: var(--space4-only);
  color: var(--white-color);
}
body.guide-dark .support {
  background: #153b31;
  color: #e8e8e8;
}
.support .eyebrow {
  margin-bottom: 8px;
  color: var(--defense-accent);
}
.support h2 {
  font-size: 26px;
}
.support p:not(.eyebrow) {
  color: #cfe0da;
  margin-top: 12px;
  font-size: 14px;
}
.support .button {
  flex-shrink: 0;
}
.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-block: var(--space4-only);
  font-size: 12px;
  color: var(--muted);
}
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space2-only);
  padding: 12px;
  background: var(--white-color);
  z-index: 2;
}
.skip-link:focus {
  top: 12px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
@media (max-width: 960px) {
  .header-label {
    display: none;
  }
  .hero {
    gap: var(--space3);
  }
  .intro-card {
    padding: var(--space3-only);
  }
  .section-heading {
    display: block;
  }
  .section-heading > p {
    margin-top: 12px;
  }
  .guide-grid {
    gap: 14px;
  }
  .guide-card {
    padding: 20px;
  }
  .card-top {
    align-items: start;
    flex-direction: column;
  }
  .architecture {
    gap: var(--space3);
  }
}
@media (max-width: 680px) {
  .container {
    width: calc(100% - var(--space4-only));
  }
  .header-content {
    flex-wrap: wrap;
    gap: 10px;
    padding-block: 18px;
  }
  .header-content nav {
    order: 3;
    width: 100%;
    margin-left: 0;
  }
  .header-content > .guide-theme-toggle {
    order: 2;
    margin-left: auto;
    min-height: 36px;
    padding: 7px 10px;
    font-size: 12px;
  }
  .brand img {
    width: 120px;
  }
  nav {
    gap: var(--space2-only);
  }
  nav a {
    font-size: 12px;
  }
  .hero {
    grid-template-columns: 1fr;
    padding-block: var(--space4-only);
    gap: var(--space3-only);
  }
  h1 {
    font-size: 40px;
  }
  h2 {
    font-size: 26px;
  }
  .hero-description {
    font-size: 17px;
  }
  .intro-card h2 {
    font-size: 28px;
  }
  .guide-grid,
  .architecture {
    grid-template-columns: 1fr;
  }
  .card-top {
    flex-direction: row;
    align-items: center;
    margin-bottom: 18px;
  }
  .guide-card {
    padding: var(--space3-only);
  }
  .architecture {
    margin-top: var(--space4-only);
    padding-block: var(--space3);
  }
  .documents-section {
    padding-top: var(--space3);
  }
  .document-row {
    padding: 20px;
    align-items: start;
    flex-direction: column;
    gap: 8px;
  }
  .support {
    align-items: start;
    flex-direction: column;
    padding: var(--space3-only);
    gap: var(--space3-only);
  }
  .site-footer {
    flex-direction: column;
    gap: 4px;
  }
}
@media (max-width: 380px) {
  .brand img {
    width: 104px;
  }
  .header-content > .guide-theme-toggle {
    gap: 6px;
    padding-inline: 8px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .guide-card,
  .button {
    transition: none;
  }
}

@media print {
  .site-header {
    position: static;
  }
  .guide-theme-toggle {
    display: none;
  }
}