/* Laitap Site v2 — Neo-Brutalism + Glass (light, палитра приложения) */

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

html {
  scroll-behavior: smooth;
}

:root {
  --bg: #f4f5f7;
  --bg-2: #fafbfc;
  --surface: rgba(42, 48, 56, 0.04);
  --surface-2: rgba(42, 48, 56, 0.07);
  --glass: rgba(250, 251, 252, 0.9);
  --text: #2a3038;
  --text-2: #5a6470;
  --text-3: #88919c;
  --border: #d8dde4;
  --accent: #8ba3ff;
  --accent-hover: #6b8af5;
  --accent-deep: #4f6ef7;
  --accent-muted: rgba(139, 163, 255, 0.22);
  --on-accent: #ffffff;
  --code-bg: #eef0f3;
  --code-text: #3d6d9a;
  --lime: var(--accent);
  --cyan: var(--accent-hover);
  --danger: #b85c5c;
  --shadow: 0 24px 80px rgba(42, 48, 56, 0.1);
  --brutal: 3px solid var(--text);
  --font: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --header-h: 64px;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(139, 163, 255, 0.2), transparent),
    radial-gradient(ellipse 60% 40% at 90% 10%, rgba(79, 110, 247, 0.1), transparent);
}

body.site-page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

body.site-page .page-main {
  flex: 1;
}

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

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

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: min(1180px, 100% - 40px);
  margin-inline: auto;
}

/* Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  border-bottom: 1px solid var(--border);
  background: var(--glass);
  backdrop-filter: blur(16px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: var(--header-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
  letter-spacing: -0.02em;
}

.brand img {
  border-radius: 8px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.nav--links a {
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  border-radius: 8px;
}

.nav--links a:hover,
.nav--links a.is-active {
  color: var(--text);
  background: var(--surface-2);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  font-family: inherit;
  text-decoration: none;
}

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

.btn--primary:hover,
a.btn--primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--on-accent);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn--ghost:hover,
a.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent-deep);
  background: var(--accent-muted);
}

.btn--cyan {
  background: var(--accent-deep);
  color: var(--on-accent);
  border-color: var(--accent-deep);
}

.btn--cyan:hover,
a.btn--cyan:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--on-accent);
}

.btn--lg {
  padding: 14px 24px;
  font-size: 15px;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.icon-btn {
  display: none;
  padding: 8px;
  background: transparent;
  border: none;
  color: var(--text);
  cursor: pointer;
}

.icon-btn svg {
  width: 24px;
  height: 24px;
}

/* Hero */
.hero {
  padding: 48px 0 72px;
  position: relative;
  overflow: hidden;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.35;
  mask-image: linear-gradient(180deg, #000 30%, transparent);
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 40px;
  align-items: start;
}

@media (max-width: 960px) {
  .hero__inner {
    grid-template-columns: 1fr;
  }
}

.hero__badge {
  display: inline-block;
  margin: 0 0 16px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--on-accent);
  background: var(--accent);
  border: 2px solid var(--text);
  box-shadow: 3px 3px 0 var(--accent-deep);
}

.hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.hero__lead {
  margin: 0 0 24px;
  font-size: 1.1rem;
  color: var(--text-2);
  max-width: 52ch;
}

.hero__lead strong {
  color: var(--accent-deep);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.typewriter {
  color: var(--accent-deep);
  border-right: 2px solid var(--accent);
  animation: caret 0.8s step-end infinite;
}

@keyframes caret {
  50% {
    border-color: transparent;
  }
}

/* Terminal */
.terminal {
  border: var(--brutal);
  border-radius: 14px;
  background: var(--bg-2);
  box-shadow: 8px 8px 0 var(--accent);
  overflow: hidden;
}

.terminal__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 2px solid var(--border);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-2);
}

.terminal__dots span {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 4px;
  border: 1px solid var(--text);
}

.terminal__dots span:nth-child(1) {
  background: #ff5f57;
}
.terminal__dots span:nth-child(2) {
  background: #febc2e;
}
.terminal__dots span:nth-child(3) {
  background: #28c840;
}

.terminal__body {
  padding: 14px;
}

.terminal__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.terminal__method {
  padding: 8px 10px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
}

.terminal__url {
  flex: 1;
  min-width: 180px;
  padding: 8px 12px;
  font-family: var(--mono);
  font-size: 13px;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--accent-deep);
}

.terminal__send {
  padding: 8px 16px;
  font-weight: 700;
  font-family: var(--mono);
  background: var(--accent);
  color: var(--on-accent);
  border: 2px solid var(--text);
  border-radius: 8px;
  cursor: pointer;
}

.terminal__send:disabled {
  opacity: 0.5;
}

.terminal__response {
  margin: 0;
  padding: 12px;
  min-height: 140px;
  max-height: 220px;
  overflow: auto;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
  color: var(--code-text);
  background: var(--code-bg);
  border: 2px dashed var(--border);
  border-radius: 8px;
  white-space: pre-wrap;
  word-break: break-word;
}

.terminal__meta {
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-3);
}

.terminal__meta .ok {
  color: var(--accent-deep);
}
.terminal__meta .err {
  color: var(--danger);
}

/* Sections */
.section {
  padding: 64px 0;
}

.section--alt {
  background: var(--surface);
  border-block: 2px solid var(--border);
}

.section__title {
  margin: 0 0 12px;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
}

.section__subtitle {
  margin: 0 0 36px;
  max-width: 62ch;
  color: var(--text-2);
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.feature {
  padding: 22px;
  border: var(--brutal);
  border-radius: 14px;
  background: var(--glass);
  backdrop-filter: blur(8px);
  transition: transform 0.15s;
}

.feature:hover {
  transform: translate(-3px, -3px);
  box-shadow: 6px 6px 0 var(--accent);
}

.feature__tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 8px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--accent);
  color: var(--on-accent);
}

.feature__tag--soon {
  background: var(--text-3);
  color: var(--text);
}

.feature h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.feature p {
  margin: 0;
  font-size: 14px;
  color: var(--text-2);
}

.feature p + p {
  margin-top: 8px;
}

.feature__chip {
  display: inline-block;
  margin: 0 4px 4px 0;
  padding: 2px 7px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent-deep);
  background: var(--accent-muted);
  border: 1px solid var(--accent);
  border-radius: 6px;
}

.feature__audience {
  font-size: 12px !important;
  color: var(--text-3) !important;
  font-style: italic;
}

/* Roadmap */
.roadmap {
  display: grid;
  gap: 12px;
}

.roadmap__item {
  display: flex;
  gap: 16px;
  padding: 16px 18px;
  border: 2px solid var(--border);
  border-radius: 12px;
  background: var(--bg-2);
}

.roadmap__item strong {
  color: var(--accent-deep);
  min-width: 140px;
}

/* Downloads */
.downloads {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.download-card {
  padding: 20px;
  border: var(--brutal);
  border-radius: 14px;
  background: var(--bg-2);
  box-shadow: 5px 5px 0 var(--accent);
}

.download-card__head {
  display: flex;
  gap: 14px;
  margin-bottom: 16px;
}

.download-card h3 {
  margin: 0 0 4px;
}

.download-card p {
  margin: 0;
  font-size: 13px;
  color: var(--text-3);
}

.download-version {
  margin-top: 20px;
  font-size: 14px;
  color: var(--text-3);
}

/* Changelog */
.changelog-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.changelog-entry {
  padding: 20px 22px;
  border: var(--brutal);
  border-radius: 14px;
  background: var(--glass);
}

.changelog-entry__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 10px;
  font-size: 13px;
  color: var(--text-3);
}

.changelog-entry__version {
  font-family: var(--mono);
  font-weight: 700;
  color: var(--accent-deep);
}

.changelog-entry ul {
  margin: 12px 0 0;
  padding-left: 20px;
  color: var(--text-2);
}

/* Code samples */
.code-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
}

.code-tabs button {
  padding: 6px 12px;
  font-size: 12px;
  font-family: var(--mono);
  border: 2px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
}

.code-tabs button.is-active {
  border-color: var(--accent);
  color: var(--accent-deep);
  background: var(--accent-muted);
}

.code-block {
  position: relative;
  padding: 14px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.5;
  color: var(--text);
  background: var(--code-bg);
  border: var(--brutal);
  border-radius: 10px;
  overflow-x: auto;
  white-space: pre;
}

.code-block button {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 4px 10px;
  font-size: 11px;
  border: 2px solid var(--border);
  border-radius: 6px;
  background: var(--bg-2);
  color: var(--text-2);
  cursor: pointer;
}

/* Legal */
.legal {
  padding: 24px 0 60px;
  max-width: 760px;
}

.legal h2 {
  margin: 28px 0 10px;
  font-size: 18px;
}

.legal p,
.legal li {
  color: var(--text-2);
}

.legal__note {
  padding: 12px 14px;
  border: 2px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  font-size: 14px;
  color: var(--text-3);
}

/* Footer */
.site-footer {
  margin-top: auto;
  padding: 28px 0;
  border-top: 1px solid var(--border);
  background: var(--bg-2);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  font-size: 13px;
  color: var(--text-3);
}

.site-footer__right {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.site-footer__right a {
  color: var(--text-2);
}

/* Внутренние страницы */
.page-hero {
  margin-bottom: 32px;
}

.page-hero__badge {
  display: inline-block;
  margin: 0 0 12px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-deep);
  background: var(--accent-muted);
  border: 2px solid var(--border);
  border-radius: 6px;
}

.page-title {
  margin: 0 0 12px;
  font-size: clamp(1.75rem, 4vw, 2.4rem);
  letter-spacing: -0.02em;
}

.page-lead {
  margin: 0;
  max-width: 62ch;
  color: var(--text-2);
}

.updates-timeline {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.update-post {
  padding: 20px 22px;
  border: var(--brutal);
  border-radius: 14px;
  background: var(--bg-2);
  box-shadow: 4px 4px 0 var(--accent-muted);
}

.update-post__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 8px;
}

.update-post__title {
  margin: 0;
  font-size: 1.15rem;
}

.update-post__version {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-deep);
}

.update-post__meta {
  margin: 0 0 8px;
  font-size: 13px;
  color: var(--text-3);
}

.update-post__summary {
  margin: 0 0 10px;
  color: var(--text-2);
}

.update-post__changes {
  margin: 0;
  padding-left: 20px;
  color: var(--text-2);
}

.updates-empty {
  color: var(--text-3);
}

/* Zero Knowledge block */
.zk-section {
  padding: 72px 0;
  background:
    radial-gradient(ellipse 70% 60% at 10% 50%, rgba(139, 163, 255, 0.18), transparent),
    radial-gradient(ellipse 50% 50% at 95% 20%, rgba(79, 110, 247, 0.12), transparent);
}

.zk-block {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
  padding: 36px;
  border: var(--brutal);
  border-radius: 18px;
  background: var(--glass);
  box-shadow: 10px 10px 0 var(--accent);
}

@media (max-width: 960px) {
  .zk-block {
    grid-template-columns: 1fr;
  }
}

.zk-block__badge {
  display: inline-block;
  margin-bottom: 14px;
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--on-accent);
  background: var(--accent-deep);
  border: 2px solid var(--text);
}

.zk-block__title {
  margin: 0 0 14px;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.02em;
}

.zk-block__lead {
  margin: 0 0 18px;
  color: var(--text-2);
  max-width: 58ch;
}

.zk-block__list {
  margin: 0 0 20px;
  padding-left: 20px;
  color: var(--text-2);
}

.zk-block__list li + li {
  margin-top: 10px;
}

.zk-block__note {
  margin: 0 0 20px;
  font-size: 14px;
  color: var(--text-3);
}

.zk-diagram {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.zk-diagram__device,
.zk-diagram__cloud {
  padding: 18px;
  border: 2px solid var(--border);
  border-radius: 12px;
  background: var(--bg-2);
}

.zk-diagram__label {
  display: block;
  margin-bottom: 12px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-3);
}

.zk-diagram__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.zk-diagram__chip {
  padding: 6px 10px;
  font-family: var(--mono);
  font-size: 11px;
  border-radius: 8px;
  border: 2px solid var(--border);
}

.zk-diagram__chip--key {
  background: var(--accent-muted);
  border-color: var(--accent);
}

.zk-diagram__chip--lock {
  background: rgba(40, 200, 64, 0.12);
  border-color: #28c840;
}

.zk-diagram__arrow {
  color: var(--text-3);
  font-weight: 700;
}

.zk-diagram__cipher {
  padding: 10px 12px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--code-text);
  background: var(--code-bg);
  border-radius: 8px;
  letter-spacing: 0.04em;
}

.zk-diagram__hint {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--text-3);
}

/* Product documentation */
.doc-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  align-items: start;
}

@media (max-width: 860px) {
  .doc-layout {
    grid-template-columns: 1fr;
  }
}

.doc-nav {
  position: sticky;
  top: calc(var(--header-h) + 16px);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.doc-nav button {
  text-align: left;
  padding: 10px 14px;
  font-size: 14px;
  font-family: var(--font);
  border: 2px solid var(--border);
  border-radius: 10px;
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
}

.doc-nav button.is-active {
  border-color: var(--accent);
  color: var(--accent-deep);
  background: var(--accent-muted);
  font-weight: 600;
}

.doc-nav button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.doc-nav__soon {
  margin-left: 6px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-3);
}

.doc-panel {
  display: none;
}

.doc-panel.is-active {
  display: block;
}

.doc-panel h2 {
  margin: 0 0 12px;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.doc-panel h3 {
  margin: 28px 0 10px;
  font-size: 1.1rem;
}

.doc-panel p,
.doc-panel li {
  color: var(--text-2);
}

.doc-panel ul,
.doc-panel ol {
  padding-left: 22px;
}

.doc-panel li + li {
  margin-top: 6px;
}

.doc-callout {
  margin: 20px 0;
  padding: 16px 18px;
  border-left: 4px solid var(--accent);
  border-radius: 0 10px 10px 0;
  background: var(--accent-muted);
  color: var(--text-2);
  font-size: 14px;
}

.doc-lang-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 16px 0 10px;
}

.doc-lang-tabs button {
  padding: 6px 12px;
  font-size: 12px;
  font-family: var(--mono);
  border: 2px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
}

.doc-lang-tabs button.is-active {
  border-color: var(--accent);
  color: var(--accent-deep);
  background: var(--accent-muted);
}

.doc-code {
  position: relative;
  margin: 0 0 20px;
  padding: 14px 16px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.55;
  color: var(--text);
  background: var(--code-bg);
  border: var(--brutal);
  border-radius: 10px;
  overflow-x: auto;
  white-space: pre;
}

.doc-code button {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 4px 10px;
  font-size: 11px;
  border: 2px solid var(--border);
  border-radius: 6px;
  background: var(--bg-2);
  color: var(--text-2);
  cursor: pointer;
}

.doc-table {
  width: 100%;
  margin: 16px 0 24px;
  border-collapse: collapse;
  font-size: 14px;
}

.doc-table th,
.doc-table td {
  padding: 10px 12px;
  text-align: left;
  border: 2px solid var(--border);
}

.doc-table th {
  background: var(--surface-2);
  color: var(--text);
}

.doc-table td {
  color: var(--text-2);
}

@media (max-width: 768px) {
  .nav--links {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 16px;
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
  }

  .nav--open .nav--links {
    display: flex;
  }

  .icon-btn {
    display: flex;
  }
}