:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-soft: #f7fbfe;
  --surface-soft-2: #f1f6fa;
  --text: #222222;
  --text-strong: #162532;
  --muted: #61707e;
  --blue: #1769aa;
  --blue-dark: #125487;
  --blue-soft: #e8f4fc;
  --blue-soft-2: #edf7fd;
  --border: #d9e1e8;
  --soft-border: #e8edf1;
  --footer-top: #eef7fc;
  --footer-bottom: #1769aa;
  --footer-bottom-text: #ffffff;
  --width: 1040px;
}

html[data-theme="dark"] {
  --bg: #101418;
  --surface: #151b21;
  --surface-soft: #192129;
  --surface-soft-2: #1a232b;
  --text: #e7edf2;
  --text-strong: #f5f9fc;
  --muted: #b1bcc6;
  --blue: #5ca9e1;
  --blue-dark: #8bc3ee;
  --blue-soft: #1a2e3d;
  --blue-soft-2: #1d3343;
  --border: #2b3843;
  --soft-border: #243039;
  --footer-top: #14212c;
  --footer-bottom: #0f5e9f;
  --footer-bottom-text: #f7fbff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  transition: background-color .2s ease, color .2s ease;
}

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

a:hover {
  color: var(--blue-dark);
  text-decoration: underline;
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.header-inner {
  width: min(calc(100% - 32px), var(--width));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-strong);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
  flex: 0 0 auto;
}

.brand:hover {
  color: var(--text-strong);
  text-decoration: none;
}

.brand-wordmark {
  white-space: nowrap;
}

.brand-wordmark .brand-main {
  color: var(--text-strong);
}

.brand-wordmark .brand-dot {
  color: var(--blue);
}

.brand-icon {
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  color: var(--blue);
}

.brand-icon svg {
  width: 100%;
  height: 100%;
  display: block;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.header-tools {
  flex: 1;
  margin-left: auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

.header-search {
  width: min(100%, 500px);
  display: flex;
}

.header-search input {
  width: 100%;
  min-width: 0;
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-right: 0;
  border-radius: 4px 0 0 4px;
  color: var(--text);
  background: var(--surface);
  font-size: 15px;
  outline: 0;
}

.header-search input:focus {
  border-color: var(--blue);
}

.header-search button {
  width: 44px;
  height: 40px;
  border: 1px solid var(--blue);
  border-radius: 0 4px 4px 0;
  color: #fff;
  background: var(--blue);
  font-size: 18px;
  cursor: pointer;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 0;
  background: transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  flex: 0 0 auto;
}

.theme-toggle:hover {
  opacity: .75;
}

.theme-icon {
  width: 22px;
  height: 22px;
  border-radius: 999px;
  border: 1px solid #161616;
  background: linear-gradient(to right, #111111 0 50%, #ffffff 50% 100%);
  display: inline-block;
}

.main-nav {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.nav-inner {
  width: min(calc(100% - 32px), var(--width));
  margin: 0 auto;
  display: flex;
  gap: 25px;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-inner::-webkit-scrollbar {
  display: none;
}

.nav-inner a {
  flex: 0 0 auto;
  padding: 11px 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.nav-inner a:hover {
  color: var(--blue);
  text-decoration: none;
}

.page {
  width: min(calc(100% - 32px), var(--width));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.hero {
  max-width: 860px;
}

h1, h2, h3 {
  color: var(--text-strong);
  line-height: 1.25;
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(21px, 2.5vw, 27px);
  font-weight: 700;
  letter-spacing: -0.2px;
}

h2 {
  margin: 24px 0 10px;
  font-size: 24px;
  font-weight: 700;
}

h3 {
  margin: 26px 0 8px;
  font-size: 19px;
}

.lead {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.55;
}

.about-cards {
  margin: 18px 0 20px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.about-card {
  min-width: 0;
  padding: 14px 12px 15px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  text-align: center;
}

.about-card-icon-wrap {
  width: 46px;
  height: 46px;
  margin: 0 auto 10px;
  border: 1px solid #d8e4ee;
  border-radius: 14px;
  background: var(--blue-soft-2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-card-icon {
  width: 19px;
  height: 19px;
  color: var(--blue);
}

.about-card-icon svg {
  width: 100%;
  height: 100%;
  display: block;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.about-card strong {
  display: block;
  margin: 0 0 6px;
  color: var(--text-strong);
  font-size: 15px;
  line-height: 1.2;
}

.about-card span {
  display: block;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.4;
}

.table-toolbar {
  margin: 0 0 12px;
  width: 100%;
}

.table-toolbar input {
  width: 100%;
  height: 42px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface);
  color: var(--text);
  font-size: 15px;
  outline: 0;
  display: block;
}

.table-toolbar input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 2px rgba(23, 105, 170, .10);
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 4px;
}

.drone-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  background: var(--surface);
  font-size: 14px;
}

.drone-table th {
  padding: 11px 13px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-soft-2);
  color: var(--text-strong);
  font-size: 13px;
  font-weight: 700;
  text-align: left;
}

.drone-table td {
  padding: 9px 13px;
  border-bottom: 1px solid var(--soft-border);
  vertical-align: middle;
}

.drone-table tbody tr:last-child td {
  border-bottom: 0;
}

.drone-table tbody tr:hover {
  background: var(--surface-soft);
}

.drone-table td:first-child {
  width: 42%;
  font-weight: 700;
}

.sep {
  padding: 0 3px;
  color: var(--muted);
}

.about {
  max-width: 850px;
}

.about p {
  margin: 0 0 16px;
}

.about ul {
  margin: 8px 0 0;
  padding-left: 22px;
}

.about li {
  margin-bottom: 6px;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--footer-top);
}

.footer-top {
  width: min(calc(100% - 32px), var(--width));
  margin: 0 auto;
  padding: 34px 0 36px;
  display: grid;
  grid-template-columns: 1fr 1fr 1.1fr;
  gap: 34px;
}

.footer-col h3 {
  margin: 0 0 14px;
  font-size: 18px;
  color: var(--text-strong);
}

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

.footer-list li + li {
  margin-top: 10px;
}

.footer-list a {
  color: var(--text-strong);
  font-size: 16px;
}

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

.footer-note {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.footer-tag {
  display: inline-block;
  margin-top: 4px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.5);
  border: 1px solid var(--border);
  color: var(--text-strong);
  font-size: 13px;
  font-weight: 600;
}

html[data-theme="dark"] .footer-tag {
  background: rgba(255,255,255,.06);
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 22px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text-strong);
  font-size: 16px;
  font-weight: 600;
}

.social-icon {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.footer-bottom {
  background: var(--footer-bottom);
  color: var(--footer-bottom-text);
}

.footer-bottom-inner {
  width: min(calc(100% - 32px), var(--width));
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 0;
}

.footer-bottom-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  align-items: center;
}

.footer-bottom-links a {
  color: var(--footer-bottom-text);
  font-size: 16px;
  font-weight: 600;
}

.footer-bottom-links .divider {
  padding: 0 14px;
  opacity: .75;
}

.footer-copy {
  color: var(--footer-bottom-text);
  font-size: 16px;
  font-weight: 600;
  white-space: nowrap;
}

@media (max-width: 900px) {
  .about-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }

  .footer-col.footer-col-wide {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .main-nav {
    display: none;
  }

  .mobile-menu-toggle {
    display: inline-flex;
  }

  .mobile-menu[hidden] {
    display: none;
  }

  .mobile-menu:not([hidden]) {
    display: block;
  }

  .header-inner {
    min-height: auto;
    padding: 15px 0;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .brand {
    justify-content: center;
  }

  .header-tools {
    width: 100%;
    margin-left: 0;
  }

  .header-search {
    flex: 1;
    width: 100%;
    max-width: none;
  }

  .theme-toggle {
    width: 40px;
    height: 40px;
  }

  .theme-icon {
    width: 20px;
    height: 20px;
  }

  .page {
    padding-top: 18px;
  }

  .about-cards {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 26px;
    padding: 28px 0 30px;
  }

  .footer-bottom-inner {
    flex-direction: column;
    align-items: flex-start;
    min-height: auto;
  }

  .footer-copy {
    white-space: normal;
  }
}

@media (max-width: 420px) {
  .header-inner,
  .nav-inner,
  .page,
  .footer-top,
  .footer-bottom-inner {
    width: min(calc(100% - 22px), var(--width));
  }

  .brand {
    font-size: 21px;
  }

  h1 {
    font-size: 22px;
  }

  .lead {
    font-size: 15px;
  }

  .about-cards {
    grid-template-columns: 1fr;
  }

  .about-card {
    padding: 13px 14px 14px;
    border-radius: 16px;
  }
}

.mobile-menu-toggle {
  display: none;
  height: 40px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface);
  color: var(--text-strong);
  cursor: pointer;
  align-items: center;
  gap: 7px;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
}
.menu-lines {
  width: 16px;
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
}
.menu-lines span {
  display: block;
  height: 2px;
  width: 16px;
  border-radius: 2px;
  background: currentColor;
}
.mobile-menu {
  display: none;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.mobile-menu-inner {
  width: min(calc(100% - 32px), var(--width));
  margin: 0 auto;
  padding: 6px 0 10px;
}
.mobile-menu-inner a {
  display: block;
  padding: 10px 2px;
  border-bottom: 1px solid var(--soft-border);
  color: var(--text-strong);
  font-size: 14px;
  font-weight: 600;
}
.mobile-menu-inner a:last-child {
  border-bottom: 0;
}



@media (max-width: 760px) {
  .main-nav {
    display: none !important;
  }

  .mobile-menu-toggle {
    display: inline-flex !important;
  }

  .mobile-menu[hidden] {
    display: none !important;
  }

  .mobile-menu:not([hidden]) {
    display: block !important;
  }
}

@media (min-width: 761px) {
  .mobile-menu-toggle,
  .mobile-menu {
    display: none !important;
  }
}


/* v11 header/navigation refinements */
.brand-icon {
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
}

.brand-icon svg {
  width: 30px;
  height: 30px;
  display: block;
}

.desktop-nav-links {
  display: flex;
  align-items: center;
  gap: 25px;
}

.desktop-nav-links a {
  flex: 0 0 auto;
  padding: 11px 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.desktop-nav-links a:hover {
  color: var(--blue);
  text-decoration: none;
}

.mobile-menu-toggle {
  margin: 0;
}

@media (max-width: 760px) {
  .main-nav {
    display: block !important;
  }

  .desktop-nav-links {
    display: none;
  }

  .nav-inner {
    min-height: 46px;
    align-items: center;
    justify-content: center;
  }

  .mobile-menu-toggle {
    display: inline-flex !important;
    height: 36px;
    padding: 0 10px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--surface);
    color: var(--text-strong);
  }

  .mobile-menu[hidden] {
    display: none !important;
  }

  .mobile-menu:not([hidden]) {
    display: block !important;
  }
}

@media (min-width: 761px) {
  .desktop-nav-links {
    display: flex;
  }

  .mobile-menu-toggle,
  .mobile-menu {
    display: none !important;
  }
}


/* v13 mobile sizing refinements */
@media (max-width: 760px) {
  .header-inner {
    width: min(calc(100% - 32px), var(--width));
  }

  .header-tools {
    width: 100%;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 40px;
    gap: 8px;
    align-items: center;
  }

  .header-search {
    width: 100%;
    max-width: none;
    min-width: 0;
  }

  .header-search input {
    min-width: 0;
    width: 100%;
  }

  .theme-toggle {
    width: 40px;
    height: 40px;
    justify-self: end;
  }

  .about-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 10px;
  }
}

@media (max-width: 420px) {
  .header-inner {
    width: min(calc(100% - 22px), var(--width));
  }

  .about-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 8px;
  }

  .about-card {
    padding: 12px 10px 13px;
    border-radius: 15px;
  }

  .about-card-icon-wrap {
    width: 42px;
    height: 42px;
    margin-bottom: 8px;
    border-radius: 12px;
  }

  .about-card strong {
    font-size: 14px;
    margin-bottom: 5px;
  }

  .about-card span {
    font-size: 11.5px;
    line-height: 1.35;
  }
}


/* v14 swapped header/nav layout */
.header-inner {
  gap: 20px;
}

.header-nav-links {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 20px;
  min-width: 0;
}

.header-nav-links a {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.header-nav-links a:hover {
  color: var(--blue);
  text-decoration: none;
}

.nav-search-row {
  min-height: 54px;
  align-items: center;
}

.nav-search-row .header-search {
  width: min(100%, 560px);
  margin: 0;
}

.mobile-menu-toggle {
  display: none;
}

@media (max-width: 760px) {
  .header-inner {
    width: min(calc(100% - 32px), var(--width));
    min-height: 64px;
    padding: 10px 0;
    flex-direction: row;
    align-items: center;
  }

  .brand {
    justify-content: flex-start;
  }

  .header-nav-links {
    display: none;
  }

  .theme-toggle {
    margin-left: auto;
    width: 40px;
    height: 40px;
  }

  .main-nav {
    display: block !important;
  }

  .nav-search-row {
    width: min(calc(100% - 32px), var(--width));
    min-height: 52px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 40px;
    gap: 8px;
    justify-content: stretch;
  }

  .nav-search-row .header-search {
    width: 100%;
    max-width: none;
    min-width: 0;
  }

  .mobile-menu-toggle {
    display: inline-flex !important;
    width: 40px;
    height: 40px;
    padding: 0;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--surface);
    color: var(--text-strong);
  }

  .menu-lines {
    width: 18px;
  }

  .menu-lines span {
    width: 18px;
  }

  .mobile-menu[hidden] {
    display: none !important;
  }

  .mobile-menu:not([hidden]) {
    display: block !important;
  }
}

@media (max-width: 420px) {
  .header-inner,
  .nav-search-row {
    width: min(calc(100% - 22px), var(--width));
  }
}

@media (min-width: 761px) {
  .mobile-menu,
  .mobile-menu-toggle {
    display: none !important;
  }
}


/* v15 responsive header/nav refinements */

/* Full-width search row matching main content */
.nav-search-row {
  width: min(calc(100% - 32px), var(--width));
  min-height: 54px;
  margin: 0 auto;
  display: flex;
  align-items: center;
}

.nav-search-row .header-search {
  width: 100%;
  max-width: none;
  margin: 0;
}

/* Desktop header nav stays flexible without colliding with brand */
.header-inner {
  flex-wrap: nowrap;
}

.header-nav-links {
  min-width: 0;
  overflow: hidden;
  justify-content: flex-end;
  gap: 16px;
}

.header-nav-links a {
  white-space: nowrap;
}

/* Collapse navigation earlier, before text can overlap the brand */
@media (max-width: 940px) {
  .header-nav-links {
    display: none !important;
  }

  .main-nav {
    display: block !important;
  }

  .nav-inner {
    width: min(calc(100% - 32px), var(--width));
    min-height: 46px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .desktop-nav-links {
    display: none !important;
  }

  .mobile-menu-toggle {
    display: inline-flex !important;
    width: 40px;
    height: 36px;
    padding: 0;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--surface);
    color: var(--text-strong);
  }

  .menu-lines {
    width: 18px;
  }

  .menu-lines span {
    width: 18px;
  }

  .mobile-menu[hidden] {
    display: none !important;
  }

  .mobile-menu:not([hidden]) {
    display: block !important;
  }
}

/* Mobile header stays logo + theme only */
@media (max-width: 760px) {
  .header-inner {
    width: min(calc(100% - 32px), var(--width));
    min-height: 64px;
    padding: 10px 0;
    flex-direction: row;
    align-items: center;
  }

  .brand {
    min-width: 0;
    flex: 1 1 auto;
    justify-content: flex-start;
  }

  .brand-wordmark {
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .theme-toggle {
    flex: 0 0 40px;
    margin-left: auto;
  }

  .nav-search-row {
    width: min(calc(100% - 32px), var(--width));
    min-height: 52px;
    display: flex;
  }

  .nav-search-row .header-search {
    width: 100%;
    max-width: none;
  }
}

@media (max-width: 420px) {
  .header-inner,
  .nav-inner,
  .nav-search-row {
    width: min(calc(100% - 22px), var(--width));
  }
}

/* Restore desktop nav only when there is enough room */
@media (min-width: 941px) {
  .header-nav-links {
    display: flex !important;
  }

  .mobile-menu-toggle,
  .mobile-menu {
    display: none !important;
  }
}


/* v16 single-header navigation layout */
.header-inner {
  width: min(calc(100% - 32px), var(--width));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.header-nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
  min-width: 0;
}

.header-nav-links a {
  white-space: nowrap;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.header-nav-links a:hover {
  color: var(--blue);
  text-decoration: none;
}

.mobile-menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface);
  color: var(--text-strong);
  cursor: pointer;
}

.search-row {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.search-row-inner {
  width: min(calc(100% - 32px), var(--width));
  margin: 0 auto;
  min-height: 54px;
  display: flex;
  align-items: center;
}

.search-row .header-search {
  width: 100%;
  max-width: none;
  margin: 0;
}

.mobile-menu {
  display: none;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

@media (max-width: 940px) {
  .header-nav-links {
    display: none !important;
  }

  .mobile-menu-toggle {
    display: inline-flex !important;
  }

  .mobile-menu[hidden] {
    display: none !important;
  }

  .mobile-menu:not([hidden]) {
    display: block !important;
  }
}

@media (max-width: 760px) {
  .header-inner {
    width: min(calc(100% - 32px), var(--width));
    min-height: 64px;
    padding: 10px 0;
  }

  .brand {
    min-width: 0;
    flex: 1 1 auto;
  }

  .brand-wordmark {
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .header-right {
    flex: 0 0 auto;
    gap: 8px;
  }

  .search-row-inner {
    width: min(calc(100% - 32px), var(--width));
    min-height: 52px;
  }
}

@media (max-width: 420px) {
  .header-inner,
  .search-row-inner,
  .mobile-menu-inner {
    width: min(calc(100% - 22px), var(--width));
  }
}

@media (min-width: 941px) {
  .header-nav-links {
    display: flex !important;
  }

  .mobile-menu-toggle,
  .mobile-menu {
    display: none !important;
  }
}



/* Compact, friendly About section */
.about {
  max-width: none;
  margin-top: 30px;
  padding: 22px 24px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-soft);
}
.about-header h2 {
  margin: 0 0 10px;
  font-size: 22px;
}
.about-header p {
  max-width: 900px;
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}
.about-highlights {
  margin-top: 16px;
  padding-top: 15px;
  border-top: 1px solid var(--border);
}
.about-highlights h3 {
  margin: 0 0 12px;
  font-size: 16px;
}
.about .about-topics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 22px;
  row-gap: 11px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.about .about-topics li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  min-width: 0;
  margin: 0;
  font-size: 13px;
  line-height: 1.4;
}
.about-topic-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 700;
  line-height: 1;
}
.about-topics strong {
  display: block;
  color: var(--text-strong);
  font-size: 13px;
  line-height: 1.3;
}
.about-topics small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}
@media (max-width: 560px) {
  .about { padding: 18px 16px; margin-top: 22px; }
  .about .about-topics { grid-template-columns: 1fr; row-gap: 12px; }
  .about-header h2 { font-size: 20px; }
}



/* Drone Parts directory — matches the existing EyeonDrones design */
.parts-directory-page{padding-top:20px}
.parts-directory-page h2{font-size:21px;margin:23px 0 9px}
.parts-section-intro{font-size:13px;color:var(--muted);line-height:1.55;margin:0 0 13px}
.parts-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.parts-card{border:1px solid var(--border);background:var(--surface);border-radius:12px;padding:14px;min-width:0;display:flex;flex-direction:column;align-items:flex-start}
.parts-card-icon{display:grid;place-items:center;width:35px;height:35px;border:1px solid var(--border);border-radius:10px;background:var(--blue-soft-2);color:var(--blue);margin-bottom:7px}
.parts-card-icon svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.parts-card h3{margin:0 0 4px;font-size:15px}
.parts-card p{font-size:12.5px;color:var(--muted);line-height:1.4;margin:0 0 11px}
.parts-shop{display:flex;gap:8px;width:100%;margin-top:auto;margin-bottom:8px}
.parts-shop a{display:block;text-align:center;flex:1;border:1px solid var(--border);border-radius:5px;padding:6px 5px;color:var(--blue);font-size:12px;font-weight:700}
.parts-shop a:hover{background:var(--blue-soft);text-decoration:none}
.parts-card small{font-size:10.8px;line-height:1.35;color:var(--muted)}
.parts-model-table{min-width:560px}
.parts-model-table th:first-child,.parts-model-table td:first-child{width:36%}
.parts-model-table td:nth-child(2){color:var(--text);font-size:13px}
.parts-model-table tbody tr[hidden]{display:none}
.variants-muted{color:var(--muted);font-style:italic;font-size:12px}
.parts-results{font-size:12px;color:var(--muted);margin:7px 0 0}
.parts-empty{font-size:13px;padding:13px;background:var(--surface-soft);border:1px solid var(--border);border-radius:5px;margin-top:10px}
.parts-empty[hidden]{display:none}
.parts-info{margin-top:32px;max-width:100%}
.parts-info>p{color:var(--muted);font-size:14px;max-width:880px;margin:0 0 18px;line-height:1.75}
.parts-info h3{font-size:17px;margin:22px 0 10px}
.parts-guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}
.parts-guide-grid article{padding:14px 15px;background:var(--surface-soft);border:1px solid var(--border);border-radius:8px}
.parts-guide-grid article h3{margin:0 0 7px;font-size:15px}
.parts-guide-grid article p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}
.parts-guide-table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:6px}
.parts-check-table{min-width:560px}
.parts-check-table td:first-child{width:26%}
.parts-tip-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 22px}
.parts-tip-list>div{padding:8px 0;border-bottom:1px solid var(--soft-border)}
.parts-tip-list strong{display:block;font-size:13.5px;color:var(--text-strong)}
.parts-tip-list span{display:block;font-size:12.5px;line-height:1.6;color:var(--muted);margin-top:3px}
.parts-note{margin-top:20px;padding:13px 16px;background:var(--surface-soft);border-left:3px solid var(--blue);border-radius:4px;font-size:13px;line-height:1.65}
@media(max-width:650px){.parts-card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.parts-card{padding:11px;border-radius:10px}.parts-card h3{font-size:13.5px}.parts-card p{font-size:11.5px}.parts-guide-grid,.parts-tip-list{grid-template-columns:1fr}.parts-directory-page h2{font-size:19px}}
@media(max-width:350px){.parts-shop{gap:4px}.parts-shop a{font-size:11px}.parts-card small{font-size:10px}}


/* Consistent directory page refinements */
.parts-directory-page > .hero{max-width:none;width:100%}
.parts-directory-page > .hero .lead{max-width:none;width:100%}
.parts-directory-page .parts-jump{margin:18px 0 23px}
.parts-jump-heading{font-size:14px;font-weight:700;color:var(--text-strong);margin:0 0 9px}
.parts-jump-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:9px}
.parts-jump-card{display:flex;flex-direction:column;align-items:flex-start;gap:3px;min-width:0;padding:12px 13px;border:1px solid var(--border);border-radius:9px;background:var(--surface);text-decoration:none;transition:border-color .15s,background-color .15s}
.parts-jump-card:hover,.parts-jump-card:focus-visible{border-color:var(--blue);background:var(--surface-soft);text-decoration:none;outline-offset:2px}
.parts-jump-icon{display:inline-grid;place-items:center;width:27px;height:27px;border-radius:7px;background:var(--blue-soft-2);color:var(--blue);font-size:16px;font-weight:700;margin-bottom:3px}
.parts-jump-card strong{font-size:12.8px;line-height:1.3;color:var(--text-strong)}
.parts-jump-card small{font-size:11.4px;line-height:1.4;color:var(--muted)}
.parts-directory-page .parts-faqs{margin-top:32px}
.parts-faqs h2{margin:0 0 9px}
.parts-faqs details{border:0;border-bottom:1px solid var(--soft-border);margin:0;padding:0;background:transparent;border-radius:0}
.parts-faqs details:first-of-type{border-top:1px solid var(--soft-border)}
.parts-faqs summary{cursor:pointer;list-style:none;position:relative;padding:13px 31px 13px 1px;font-size:14px;font-weight:700;color:var(--text-strong);line-height:1.5}
.parts-faqs summary::-webkit-details-marker{display:none}
.parts-faqs summary::after{content:'+';position:absolute;right:3px;top:10px;font-size:20px;font-weight:400;color:var(--blue)}
.parts-faqs details[open] summary::after{content:'−'}
.parts-faqs details p{margin:0 0 15px;font-size:13px;line-height:1.7;color:var(--muted)}
.parts-faqs summary:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
#compatibility-checklist,#care-tips{scroll-margin-top:20px}
@media(max-width:760px){.parts-jump-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:540px){.parts-jump-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.parts-jump-card{padding:10px 11px}.parts-jump-card small{font-size:11px}}


/* EyeonDrones informational pages — consistent with directory pages */
.info-page{padding-top:22px;padding-bottom:56px}
.info-page .hero{max-width:none;width:100%;margin:0 0 18px}
.info-page .lead{font-size:15px;line-height:1.65;max-width:none}
.info-page h2{font-size:21px;margin:28px 0 10px}
.info-page h3{font-size:16px;margin:18px 0 7px}
.info-page p,.info-page li{font-size:14px;line-height:1.75}
.info-page p{margin:0 0 12px}
.info-page ul{margin:5px 0 15px;padding-left:22px}
.info-page li{margin:0 0 6px}
.info-page section{scroll-margin-top:18px}
.info-page .subtle{color:var(--muted)}
.info-page .section-intro{color:var(--muted);font-size:13px;margin:0 0 14px}
.info-page .jump-title{margin:0 0 9px;font-size:14px;font-weight:700;color:var(--text-strong)}
.info-page .jump-wrap{margin:20px 0 24px}
.info-page .jump-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.info-page .jump-card{border:1px solid var(--border);border-radius:9px;padding:13px 14px;min-width:0;display:block;background:var(--surface);text-decoration:none;transition:border-color .15s,background .15s}
.info-page .jump-card:hover,.info-page .jump-card:focus-visible{border-color:var(--blue);background:var(--surface-soft);text-decoration:none}
.info-page .jump-card strong{display:block;color:var(--text-strong);font-size:13px;line-height:1.35;margin-bottom:3px}
.info-page .jump-card span{display:block;font-size:11.5px;line-height:1.45;color:var(--muted)}
.info-page .info-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px;margin:14px 0}
.info-page .info-card{padding:16px;background:var(--surface-soft);border:1px solid var(--border);border-radius:8px;min-width:0}
.info-page .info-card h3{margin:0 0 6px;font-size:15px}
.info-page .info-card p{margin:0;font-size:13px;color:var(--muted);line-height:1.65}
.info-page .details-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px 20px;margin:12px 0 15px}
.info-page .details-list>div{border-bottom:1px solid var(--soft-border);padding:6px 0}
.info-page .details-list strong{display:block;font-size:13.5px;color:var(--text-strong)}
.info-page .details-list span{display:block;margin-top:3px;font-size:12.5px;line-height:1.65;color:var(--muted)}
.info-page .info-note{padding:13px 15px;border-left:3px solid var(--blue);border-radius:4px;background:var(--surface-soft);font-size:13px;line-height:1.6;margin:16px 0}
.info-page .plain-section{border-top:1px solid var(--soft-border);margin-top:23px;padding-top:1px}
.info-page .plain-section:first-of-type{border-top:0}
.info-page .policy-meta{color:var(--muted);font-size:12.5px;margin:2px 0 15px}
.info-page .faq{margin-top:28px}
.info-page .faq details{border:0;border-bottom:1px solid var(--border);border-radius:0;padding:0;background:transparent}
.info-page .faq details:first-of-type{border-top:1px solid var(--border)}
.info-page .faq summary{cursor:pointer;padding:13px 0;color:var(--text-strong);font-size:14px;font-weight:700;list-style:none;display:flex;gap:15px;justify-content:space-between;align-items:center}
.info-page .faq summary::-webkit-details-marker{display:none}
.info-page .faq summary::after{content:'+';font-size:19px;font-weight:400;color:var(--blue)}
.info-page .faq details[open] summary::after{content:'−'}
.info-page .faq details p{font-size:13px;color:var(--muted);margin:0 0 15px}
.info-page .contact-email{display:inline-block;font-size:18px;font-weight:700;margin:0 0 10px;overflow-wrap:anywhere}
.info-page .simple-form-warning{margin-top:11px;font-size:12px;color:var(--muted)}
@media(max-width:760px){.info-page .jump-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.info-page .info-grid,.info-page .details-list{grid-template-columns:1fr}}
@media(max-width:420px){.info-page h2{font-size:19px}.info-page .jump-card{padding:11px}.info-page .lead{font-size:14px}}


.hero { max-width: 100%; }