.header {
  position: sticky;
  top: 0;
  z-index: 40;
  min-height: var(--header);
  background: rgba(11, 13, 16, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.header-inner {
  min-height: var(--header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  position: relative;
}

.brand {
  display: block;
  flex: none;
}

.brand img {
  width: 136px;
  height: auto;
}

.site-menu {
  margin-left: auto;
}

.menu-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 8px 2px 8px 12px;
  list-style: none;
  cursor: pointer;
  color: var(--text);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 700;
}

.menu-toggle::-webkit-details-marker {
  display: none;
}

.menu-toggle .label-close {
  display: none;
}

.site-menu[open] .label-open {
  display: none;
}

.site-menu[open] .label-close {
  display: inline;
}

.menu-bars,
.menu-bars::before,
.menu-bars::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  position: relative;
}

.menu-bars::before,
.menu-bars::after {
  content: "";
  position: absolute;
  left: 0;
}

.menu-bars::before {
  top: -6px;
}

.menu-bars::after {
  top: 6px;
}

.nav {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 50;
  width: min(320px, calc(100vw - 40px));
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
}

.nav a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 12px;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.nav a:hover,
.nav a[aria-current="page"],
.nav-bar a:hover,
.nav-bar a[aria-current="page"] {
  color: var(--accent);
}

.nav a.button,
.nav a.button:hover,
.nav a.button:focus-visible,
.nav-bar a.button,
.nav-bar a.button:hover,
.nav-bar a.button:focus-visible {
  color: var(--accent-ink);
}

.nav-bar {
  display: none;
  align-items: center;
  gap: 4px;
}

.nav-bar a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 12px;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
}

.nav .button {
  margin-top: 6px;
}

.button {
  --cut: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 12px 22px;
  background: var(--accent);
  color: var(--accent-ink);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: 0.045em;
  text-transform: uppercase;
  line-height: 1;
  clip-path: polygon(var(--cut) 0, 100% 0, calc(100% - var(--cut)) 100%, 0 100%);
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}

.button:hover {
  background: #dfff67;
  transform: translateY(-2px);
}

.button:focus-visible {
  clip-path: none;
}

.button svg {
  width: 18px;
  height: 18px;
  flex: none;
}

.button-small {
  min-height: 44px;
  padding: 10px 16px;
  font-size: 1.05rem;
}

.text-link {
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
  text-underline-offset: 0.28em;
}

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

.hero {
  position: relative;
  isolation: isolate;
  overflow: clip;
  border-bottom: 1px solid var(--line);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(115deg, transparent 0 62%, rgba(200, 255, 23, 0.09) 62.15% 62.45%, transparent 62.6%),
    repeating-linear-gradient(90deg, transparent 0 88px, rgba(255, 255, 255, 0.035) 88px 89px);
  pointer-events: none;
}

.hero-mark {
  position: absolute;
  z-index: -1;
  right: -4vw;
  bottom: -0.18em;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 34vw;
  line-height: 0.75;
  letter-spacing: -0.06em;
  color: rgba(255, 255, 255, 0.035);
  pointer-events: none;
  user-select: none;
}

.hero-grid {
  display: grid;
  gap: 36px;
  padding: 48px 0 56px;
}

.hero h1 span {
  display: block;
}

.hero h1 span:last-child {
  color: var(--accent);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 22px;
  margin-top: 28px;
}

.hero-note {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.board {
  position: relative;
  border: 1px solid var(--line-strong);
  background: rgba(24, 28, 32, 0.88);
  padding: 18px 18px 8px;
}

.board::before,
.board::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border-color: var(--accent);
  border-style: solid;
}

.board::before {
  top: -1px;
  left: -1px;
  border-width: 2px 0 0 2px;
}

.board::after {
  right: -1px;
  bottom: -1px;
  border-width: 0 2px 2px 0;
}

.board-label {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.board a {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: center;
  min-height: 48px;
  padding: 8px 2px;
  border-top: 1px solid var(--line);
  text-decoration: none;
  color: var(--text);
}

.board a:hover .board-name {
  color: var(--accent);
}

.board-index,
.board-code {
  font-family: var(--font-display);
  letter-spacing: 0.08em;
}

.board-index {
  color: var(--accent);
  font-weight: 800;
  font-size: 1.15rem;
}

.board-name {
  font-weight: 600;
}

.board-code {
  color: var(--muted);
  font-size: 0.78rem;
}

.strip {
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}

.strip-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 0;
  padding: 14px 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.strip-inner span {
  display: inline-flex;
  align-items: center;
}

.strip-inner span:not(:last-child)::after {
  content: "";
  width: 5px;
  height: 5px;
  margin: 0 12px;
  background: var(--accent);
}

.discipline-grid {
  display: grid;
  gap: 12px;
}

.discipline {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 8px;
  padding: 22px;
  text-decoration: none;
  background:
    linear-gradient(160deg, rgba(200, 255, 23, 0.14), transparent 42%),
    var(--surface);
  border: 1px solid var(--line);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.discipline::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: -20px;
  top: -30px;
  width: 140px;
  height: 220px;
  background: rgba(200, 255, 23, 0.08);
  transform: rotate(18deg);
}

.discipline-en { background: linear-gradient(200deg, rgba(255, 255, 255, 0.05), transparent 46%), var(--surface); }
.discipline-adv { background: linear-gradient(120deg, transparent 40%, rgba(200, 255, 23, 0.1)), var(--surface); }
.discipline-atv { background: linear-gradient(180deg, rgba(200, 255, 23, 0.08), transparent 50%), #14191d; }
.discipline-utv { background: linear-gradient(250deg, rgba(255, 255, 255, 0.06), transparent 40%), var(--surface); }
.discipline-custom {
  background: var(--accent);
  color: var(--accent-ink);
  min-height: 160px;
}

.discipline-custom p,
.discipline-custom .discipline-code {
  color: #243000;
}

.discipline:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.discipline-custom:hover {
  border-color: var(--text);
}

.discipline-code {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.16em;
  font-size: 0.85rem;
  color: var(--accent);
}

.discipline h3 {
  margin: 0;
}

.discipline p {
  margin: 0;
  max-width: 36ch;
  font-size: 0.95rem;
}

.discipline-go {
  margin-top: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.fine-print {
  margin: 18px 0 0;
  font-size: 0.9rem;
}

.manifesto {
  background: var(--surface);
  border-block: 1px solid var(--line);
}

.manifesto-grid,
.split,
.footer-grid,
.principles {
  display: grid;
  gap: 28px;
}

.pull {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height: 0.92;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--text);
}

.pull span {
  color: var(--accent);
}

.principles article {
  padding-top: 16px;
  border-top: 2px solid var(--accent);
}

.principles h3 {
  margin: 14px 0 8px;
}

.principles p {
  margin: 0;
  font-size: 0.98rem;
}

.steps {
  display: grid;
  gap: 18px;
  counter-reset: step;
}

.steps article {
  padding: 8px 0 8px;
  border-top: 1px solid var(--line-strong);
}

.steps span {
  display: block;
  margin-bottom: 10px;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.steps h3 {
  margin: 0 0 8px;
}

.steps p {
  margin: 0;
}

.sheet {
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(180deg, rgba(200, 255, 23, 0.08), transparent 90px),
    var(--surface-2);
  padding: 22px;
}

.sheet h2,
.sheet h3 {
  margin-bottom: 12px;
  font-size: clamp(2rem, 3vw, 2.6rem);
}

.page-hero h1 {
  max-width: 12em;
  font-size: clamp(2.6rem, 5.6vw, 4.8rem);
}

h2 + .related,
.section-head + .related {
  margin-top: 22px;
}

.manifesto .principles {
  margin-top: 48px;
}

.spec-list {
  display: grid;
  margin: 0;
  padding: 0;
}

.spec-list div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.spec-list dt {
  margin: 0;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.spec-list dd {
  margin: 0;
}

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

.checklist li {
  position: relative;
  margin: 0;
  padding: 12px 0 12px 18px;
  border-top: 1px solid var(--line);
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15em;
  width: 8px;
  height: 2px;
  background: var(--accent);
}

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

.faq-list a,
.faq-list article {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.faq-list a {
  display: block;
  text-decoration: none;
  font-weight: 600;
}

.faq-list a:hover {
  color: var(--accent);
}

.faq-list h3 {
  font-size: 1.55rem;
  margin: 0 0 8px;
}

.faq-list p {
  margin: 0;
}

.closing {
  position: relative;
  padding: 80px 0;
  background:
    linear-gradient(100deg, rgba(200, 255, 23, 0.12), transparent 28%),
    var(--bg);
  border-top: 1px solid var(--line);
}

.closing .container {
  display: grid;
  gap: 18px;
}

.page-hero {
  padding: 36px 0 12px;
}

.crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.85rem;
}

.crumbs li:not(:last-child)::after {
  content: "/";
  margin-left: 8px;
  color: var(--line-strong);
}

.crumbs a {
  color: var(--text);
}

.prose > * + * {
  margin-top: 16px;
}

.prose h2 {
  margin-top: 8px;
}

.prose ul,
.prose ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.prose li {
  position: relative;
  margin: 10px 0;
  padding-left: 18px;
  color: var(--muted);
}

.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 2px;
  background: var(--accent);
}

.related {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.related a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid var(--line-strong);
  text-decoration: none;
  font-size: 0.92rem;
}

.related a:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.footer {
  border-top: 1px solid var(--line);
  padding: 40px 0 28px;
  background: #090b0d;
}

.footer a {
  text-decoration: none;
}

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

.footer-logo {
  width: 124px;
  height: auto;
}

.footer-brand p {
  margin: 14px 0 0;
  max-width: 36ch;
  font-size: 0.92rem;
}

.footer-label {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.footer li + li {
  margin-top: 8px;
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  justify-content: space-between;
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

.whatsapp-float {
  position: fixed;
  z-index: 35;
  right: 16px;
  bottom: 16px;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.45);
}

.whatsapp-float:hover {
  background: #dfff67;
}

.whatsapp-float.is-hidden {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
}

.missing {
  padding: 72px 0 40px;
}