:root {
  --about-font-family-primary: Roboto, sans-serif;
  --about-font-size-base: 16px;
  --about-font-weight-base: 400;
  --about-font-line-height-base: 25.6px;
  --about-font-size-xs: 12px;
  --about-font-size-sm: 12.24px;
  --about-font-size-md: 12.8px;
  --about-font-size-lg: 13.19px;
  --about-font-size-xl: 13.6px;
  --about-font-size-2xl: 14.4px;
  --about-font-size-3xl: 15.52px;
  --about-font-size-4xl: 16px;

  --about-color-text-primary: #333333;
  --about-color-text-secondary: #f1f1f1;
  --about-color-text-tertiary: #ffffff;
  --about-color-text-inverse: #666666;
  --about-color-surface-base: #000000;
  --about-color-surface-raised: #c51230;
  --about-color-surface-strong: #f28007;
  --about-color-border-muted: rgba(255, 255, 255, 0.2);
  --about-color-border-light: rgb(241, 241, 241);

  --about-space-1: 1.54px;
  --about-space-2: 1.86px;
  --about-space-3: 4.8px;
  --about-space-4: 5px;
  --about-space-5: 6.1px;
  --about-space-6: 7.68px;
  --about-space-7: 7.92px;
  --about-space-8: 8.4px;

  --about-radius-xs: 5px;
  --about-radius-sm: 999px;
  --about-shadow-1: rgba(0, 0, 0, 0.02) 0 -18.4688px 13.192px 0 inset;
  --about-motion-instant: 200ms;
  --about-motion-fast: 300ms;
}

* {
  box-sizing: border-box;
}

body.ntk-about-page {
  margin: 0;
  font-family: var(--about-font-family-primary);
  font-size: var(--about-font-size-base);
  font-weight: var(--about-font-weight-base);
  line-height: var(--about-font-line-height-base);
  color: var(--about-color-text-primary);
  background: var(--about-color-text-tertiary);
}

.ntk-wrap {
  width: min(1170px, calc(100% - 32px));
  margin: 0 auto;
}

.ntk-skip {
  position: absolute;
  left: -9999px;
  top: 0;
}

.ntk-skip:focus-visible {
  left: 12px;
  top: 12px;
  background: var(--about-color-surface-raised);
  color: var(--about-color-text-tertiary);
  padding: 8px 10px;
  border-radius: var(--about-radius-xs);
  z-index: 1000;
}

.ntk-head-top {
  background: var(--about-color-surface-base);
  color: var(--about-color-text-secondary);
  min-height: 34px;
  border-bottom: 1px solid #1d1d1d;
  font-size: var(--about-font-size-xs);
}

.ntk-head-top-row,
.ntk-head-main-row,
.ntk-nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.ntk-mini-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding: 7px 0;
}

.ntk-mini-links,
.ntk-mini-links a,
.ntk-mini-links span {
  color: var(--about-color-text-secondary);
  text-decoration: none;
}

.ntk-head-main {
  background: var(--about-color-text-tertiary);
  border-bottom: 1px solid var(--about-color-border-light);
}

.ntk-head-main-row {
  min-height: 86px;
  padding: 8px 0;
}

.ntk-logo img {
  width: 196px;
  height: auto;
  display: block;
}

.ntk-search {
  display: flex;
  align-items: stretch;
  width: min(640px, 100%);
}

.ntk-input,
.ntk-btn,
.ntk-menu-btn,
.ntk-nav-menu a {
  transition: all var(--about-motion-instant) ease;
}

.ntk-input {
  width: 100%;
  min-height: 42px;
  border: 1px solid #c9c9c9;
  border-right: 0;
  border-radius: var(--about-radius-xs) 0 0 var(--about-radius-xs);
  padding: 0 14px;
  color: var(--about-color-text-primary);
  background: var(--about-color-text-tertiary);
  font-size: var(--about-font-size-2xl);
}

.ntk-btn,
.ntk-menu-btn {
  min-height: 42px;
  border: 1px solid var(--about-color-surface-raised);
  background: var(--about-color-surface-raised);
  color: var(--about-color-text-tertiary);
  border-radius: var(--about-radius-xs);
  padding: 0 18px;
  font-size: var(--about-font-size-xl);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.ntk-search .ntk-btn {
  border-radius: 0 var(--about-radius-xs) var(--about-radius-xs) 0;
}

.ntk-input:hover,
.ntk-btn:hover,
.ntk-menu-btn:hover,
.ntk-nav-menu a:hover {
  filter: brightness(0.95);
}

.ntk-input:focus-visible,
.ntk-btn:focus-visible,
.ntk-menu-btn:focus-visible,
.ntk-nav-menu a:focus-visible {
  outline: 2px solid var(--about-color-surface-strong);
  outline-offset: 2px;
}

.ntk-input:active,
.ntk-btn:active,
.ntk-menu-btn:active,
.ntk-nav-menu a:active {
  transform: translateY(1px);
}

.ntk-input:disabled,
.ntk-btn:disabled,
.ntk-menu-btn:disabled,
.ntk-nav-menu a[aria-disabled='true'] {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

.ntk-input[aria-busy='true'],
.ntk-btn[aria-busy='true'],
.ntk-menu-btn[aria-busy='true'],
.ntk-nav-menu a[aria-busy='true'] {
  opacity: 0.75;
}

.ntk-input.is-error,
.ntk-btn.is-error,
.ntk-menu-btn.is-error,
.ntk-nav-menu a.is-error {
  box-shadow: 0 0 0 2px rgba(242, 128, 7, 0.3);
}

.ntk-menu-btn {
  display: none;
}

.ntk-nav {
  background: #111111;
  border-top: 1px solid #1f1f1f;
  border-bottom: 1px solid #1f1f1f;
}

.ntk-nav-row {
  display: block;
}

.ntk-nav-menu,
.ntk-nav-menu ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.ntk-nav-menu {
  display: flex;
  align-items: stretch;
  width: 100%;
}

.ntk-nav-menu > li {
  position: relative;
}

.ntk-nav-menu > li.menu-item-has-children > a {
  padding-right: 28px;
}

.ntk-nav-menu > li.menu-item-has-children > a::after {
  content: "";
  position: absolute;
  right: 12px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-65%) rotate(45deg);
}

.ntk-nav-menu a {
  color: var(--about-color-text-tertiary);
  text-decoration: none;
  padding: 13px 14px;
  letter-spacing: 0.02em;
  font-size: var(--about-font-size-xl);
  display: block;
}

.ntk-nav-menu a.is-active,
.ntk-nav-menu a:hover,
.ntk-nav-menu a:active {
  background: var(--about-color-surface-raised);
}

.ntk-nav-menu .sub-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: #1a1a1a;
  border: 1px solid #2b2b2b;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
  z-index: 50;
  box-shadow: 0 14px 24px rgba(0, 0, 0, 0.24);
}

.ntk-nav-menu .sub-menu a {
  padding: 10px 12px;
  border-bottom: 1px solid #2b2b2b;
  white-space: nowrap;
}

.ntk-nav-menu .sub-menu li:last-child a {
  border-bottom: 0;
}

.ntk-nav-menu > li.menu-item-has-children:hover > .sub-menu,
.ntk-nav-menu > li.menu-item-has-children:focus-within > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.ntk-about-main h1,
.ntk-about-main h2,
.ntk-about-main h3,
.ntk-about-main h4 {
  margin: 0;
  color: var(--about-color-text-primary);
}

.ntk-about-main p {
  margin: 0;
  color: var(--about-color-text-primary);
}

.ntk-about-hero {
  background: linear-gradient(145deg, #0b0b0b 0%, #1a1a1a 42%, #2a2a2a 100%);
  padding: 52px 0;
}

.ntk-about-hero h1 {
  color: var(--about-color-text-tertiary);
  font-size: clamp(30px, 4.2vw, 46px);
  line-height: 1.12;
  margin-bottom: 10px;
}

.ntk-about-hero h2 {
  color: var(--about-color-surface-strong);
  font-size: clamp(20px, 2.4vw, 30px);
  line-height: 1.25;
  margin-bottom: 20px;
}

.ntk-about-hero p {
  color: var(--about-color-text-secondary);
  max-width: 100ch;
  margin-bottom: 14px;
}

.ntk-emphasis {
  color: var(--about-color-text-tertiary);
  font-weight: 700;
}

.ntk-commit-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 22px;
}

.ntk-commit-list li {
  color: var(--about-color-text-tertiary);
  font-weight: 600;
  font-size: var(--about-font-size-md);
  padding-left: 16px;
  position: relative;
}

.ntk-commit-list li::before {
  content: '\2022';
  position: absolute;
  left: 0;
  color: var(--about-color-surface-strong);
}

.ntk-about-section {
  padding: 46px 0 0;
}

.ntk-about-section h3 {
  font-size: clamp(22px, 2.2vw, 32px);
  line-height: 1.22;
  margin-bottom: 16px;
}

.ntk-media-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.ntk-media-grid--single {
  grid-template-columns: 1fr;
}

.ntk-media-item {
  margin: 0;
  border-radius: var(--about-radius-xs);
  overflow: hidden;
  border: 1px solid var(--about-color-border-light);
  box-shadow: var(--about-shadow-1);
}

.ntk-media-item img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.ntk-about-outro {
  padding: 52px 0 58px;
  background: #fafafa;
  margin-top: 32px;
}

.ntk-about-outro h3 {
  font-size: clamp(24px, 2.5vw, 34px);
  line-height: 1.2;
  margin-bottom: 14px;
}

.ntk-about-outro h4 {
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.3;
  margin: 18px 0 10px;
}

.ntk-about-outro p {
  color: var(--about-color-text-inverse);
  margin-bottom: 10px;
}

.ntk-about-outro a {
  color: var(--about-color-surface-raised);
  text-decoration: none;
}

.ntk-about-outro a:hover,
.ntk-about-outro a:active {
  text-decoration: underline;
}

.ntk-about-outro a:focus-visible {
  outline: 2px solid var(--about-color-surface-strong);
  outline-offset: 2px;
}

.ntk-footer {
  background: var(--about-color-surface-base);
  color: var(--about-color-text-secondary);
  padding-top: 44px;
}

.ntk-footer-grid {
  display: grid;
  grid-template-columns: 1.65fr 1fr 1fr 1fr;
  gap: 26px;
}

.ntk-footer img {
  width: 170px;
  height: auto;
}

.ntk-footer h3,
.ntk-footer p,
.ntk-footer a {
  color: var(--about-color-text-secondary);
  text-decoration: none;
  margin: 0 0 9px;
  display: block;
  font-size: var(--about-font-size-xl);
  line-height: 1.5;
}

.ntk-footer a:hover,
.ntk-footer a:active {
  color: var(--about-color-surface-strong);
}

.ntk-footer a:focus-visible {
  outline: 2px solid var(--about-color-surface-strong);
  outline-offset: 2px;
}

.ntk-foot-bottom {
  margin-top: 24px;
  border-top: 1px solid #232323;
  text-align: center;
  padding: 14px 12px;
  font-size: var(--about-font-size-sm);
}

@media (max-width: 1024px) {
  .ntk-head-top-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }

  .ntk-menu-btn {
    display: inline-flex;
    min-height: 40px;
  }

  .ntk-nav {
    display: none;
  }

  .ntk-nav.is-open {
    display: block;
  }

  .ntk-nav-menu {
    flex-direction: column;
    width: 100%;
  }

  .ntk-nav-menu > li.menu-item-has-children > a::after {
    right: 14px;
  }

  .ntk-nav-menu a {
    border-bottom: 1px solid #2b2b2b;
  }

  .ntk-nav-menu .sub-menu {
    position: static;
    display: none;
    border: 0;
    min-width: 0;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
  }

  .ntk-nav-menu .sub-menu a {
    padding-left: 24px;
  }

  .ntk-commit-list,
  .ntk-media-grid,
  .ntk-footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .ntk-wrap {
    width: min(1170px, calc(100% - 20px));
  }

  .ntk-head-main-row {
    flex-wrap: wrap;
  }

  .ntk-search {
    width: 100%;
    order: 3;
  }

  .ntk-logo {
    order: 1;
  }

  .ntk-menu-btn {
    order: 2;
  }

  .ntk-about-hero {
    padding: 42px 0;
  }

  .ntk-about-section {
    padding-top: 34px;
  }
}