/* Apple-inspired tokens and layout are defined here. */
:root {
  --ink: #1d1d1f;
  --secondary: #6e6e73;
  --link: #06c;
  --paper: #f5f5f7;
  --white: #fff;
  --line: rgba(29, 29, 31, .14);
  --surface: #fff;
  --canvas: #fff;
  --toggle-border: rgba(29, 29, 31, .2);
  --toggle-active: var(--ink);
  --toggle-active-ink: var(--white);
  --globalnav-height: 44px;
  --localnav-height: 52px;
  --content-width: 980px;
  --font-text: "SF Pro Text", "SF Pro SC", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  --font-display: "SF Pro Display", "SF Pro SC", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; color: var(--ink); background: var(--canvas); font: 17px/1.4705882353 var(--font-text); letter-spacing: -.022em; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { border: 0; color: inherit; font: inherit; }
button:focus-visible, a:focus-visible { outline: 2px solid var(--link); outline-offset: 3px; }
.skip-link { position: fixed; z-index: 200; top: 8px; left: 12px; padding: 8px 12px; color: var(--white); background: var(--ink); transform: translateY(-160%); }
.skip-link:focus { transform: none; }

/* Global navigation: one compact bar with a full-width innovation flyout. */
.global-header { position: sticky; z-index: 100; top: 0; height: var(--globalnav-height); border-bottom: 1px solid rgba(29, 29, 31, .1); background: rgba(250, 250, 252, .86); -webkit-backdrop-filter: saturate(180%) blur(20px); backdrop-filter: saturate(180%) blur(20px); transition: transform .24s cubic-bezier(.28, .11, .32, 1); }
.global-header-inner { display: flex; align-items: center; height: 100%; max-width: 1024px; margin: 0 auto; padding: 0 22px; }
.brand { display: inline-flex; align-items: center; gap: 8px; flex: none; font: 600 14px/1 var(--font-display); letter-spacing: .011em; }
.brand img { width: 21px; height: 21px; border-radius: 6px; object-fit: cover; }
.global-nav { display: flex; align-items: stretch; height: 100%; margin-left: auto; }
.global-nav > a, .nav-innovation > button { position: relative; display: inline-flex; align-items: center; height: 100%; padding: 0 12px; color: rgba(0, 0, 0, .8); background: transparent; cursor: pointer; font: 400 12px/1 var(--font-text); letter-spacing: -.01em; transition: color .2s ease; }
.global-nav > a:hover, .global-nav > a[aria-current="page"], .nav-innovation > button:hover, .nav-innovation > button[aria-expanded="true"] { color: #000; }
.global-nav > a[aria-current="page"]::after { content: ""; position: absolute; right: 12px; bottom: 8px; left: 12px; height: 1px; background: var(--link); }
.nav-innovation { position: static; display: flex; align-items: stretch; }
.nav-innovation > button span { margin-left: 5px; font-size: 10px; transition: transform .2s ease; }
.nav-innovation > button[aria-expanded="true"] span { transform: rotate(180deg); }
.nav-flyout { position: fixed; z-index: 99; top: var(--globalnav-height); right: 0; left: 0; max-height: 0; overflow: hidden; opacity: 0; pointer-events: none; border-bottom: 1px solid var(--line); background: rgba(250, 250, 252, .98); -webkit-backdrop-filter: saturate(180%) blur(20px); backdrop-filter: saturate(180%) blur(20px); transition: max-height .32s cubic-bezier(.4, 0, .6, 1), opacity .24s ease; }
.nav-innovation:hover .nav-flyout, .nav-innovation:focus-within .nav-flyout, .nav-innovation.is-open .nav-flyout { max-height: calc(100vh - var(--globalnav-height)); opacity: 1; pointer-events: auto; }
.nav-flyout-inner { display: grid; grid-template-columns: 220px 1fr; gap: 48px; max-width: 1024px; margin: 0 auto; padding: 44px 22px 52px; }
.nav-flyout-label { margin: 0; color: var(--link); font-size: 12px; font-weight: 600; letter-spacing: .02em; }
.nav-flyout-intro small { display: block; max-width: 170px; margin-top: 14px; color: var(--secondary); font-size: 13px; line-height: 1.55; letter-spacing: 0; }
.innovation-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.innovation-link { display: flex; flex-direction: column; min-height: 170px; padding: 18px; border-radius: 14px; background: var(--surface); transition: transform .24s ease, box-shadow .24s ease; }
.innovation-link:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(29, 29, 31, .1); }
.innovation-link b { color: var(--link); font: 600 12px/1 var(--font-text); }
.innovation-link strong { display: block; margin-top: 38px; font: 600 17px/1.22 var(--font-display); letter-spacing: 0; }
.innovation-link small { display: block; margin-top: 8px; color: var(--secondary); font-size: 12px; line-height: 1.45; letter-spacing: 0; }

/* Inner page navigation. It rises to the top after the global bar leaves. */
.localnav { position: sticky; z-index: 90; top: var(--globalnav-height); height: var(--localnav-height); border-bottom: 1px solid rgba(29, 29, 31, .12); background: rgba(250, 250, 252, .8); -webkit-backdrop-filter: saturate(180%) blur(20px); backdrop-filter: saturate(180%) blur(20px); transition: top .24s cubic-bezier(.28, .11, .32, 1); }
.localnav-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; max-width: var(--content-width); margin: 0 auto; padding: 0 22px; }
.localnav-title { margin: 0; white-space: nowrap; font: 600 21px/1.1428571429 var(--font-display); letter-spacing: .011em; }
.localnav-links { display: flex; align-items: stretch; height: 100%; gap: 25px; }
.localnav-links a { position: relative; display: inline-flex; align-items: center; color: var(--secondary); font-size: 12px; letter-spacing: 0; }
.localnav-links a:hover, .localnav-links a[aria-current="true"] { color: var(--ink); }
.localnav-links a[aria-current="true"]::after { content: ""; position: absolute; right: 0; bottom: 7px; left: 0; height: 1px; background: var(--link); }
body.has-localnav.page-scrolled .global-header { transform: translateY(-100%); }
body.has-localnav.page-scrolled .localnav { top: 0; }

.eyebrow, .section-kicker { margin: 0 0 18px; color: var(--link); font-size: 12px; line-height: 1.2; font-weight: 600; letter-spacing: .02em; }
.hero-title, h1 { margin: 0; color: var(--ink); font: 600 48px/1.0834933333 var(--font-display); letter-spacing: -.003em; }
.hero-intro, .intro { max-width: 700px; margin: 24px auto 0; color: var(--ink); font: 400 21px/1.381002381 var(--font-text); letter-spacing: .011em; }
.content { width: 87.5%; max-width: var(--content-width); margin: 0 auto; }
.center { text-align: center; }
.section { padding: 96px 0; }
.section.alt { background: var(--paper); }
.section-heading { max-width: 760px; margin: 0 auto 48px; text-align: center; }
.section-heading h2 { margin: 0; font: 600 40px/1.1 var(--font-display); letter-spacing: 0; }
.section-heading p { max-width: 650px; margin: 18px auto 0; color: var(--ink); font-size: 17px; line-height: 1.55; }

/* UAV inner page: Apple-like hero, entry tiles and two-column technical modules. */
.uav-entry { padding-top: 0; }
.uav-entry-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.uav-entry-tile { display: flex; align-items: flex-end; justify-content: space-between; min-height: 246px; padding: 28px; border-radius: 18px; color: var(--ink); background: var(--surface); box-shadow: 0 1px 0 rgba(29, 29, 31, .06); transition: transform .3s cubic-bezier(.2, .7, .2, 1), box-shadow .3s ease; }
.uav-entry-tile:hover { transform: translateY(-3px); box-shadow: 0 18px 38px rgba(29, 29, 31, .12); }
.uav-entry-tile h3 { max-width: 360px; margin: 30px 0 0; font: 600 24px/1.2 var(--font-display); letter-spacing: 0; }
.uav-entry-tile p:not(.eyebrow) { max-width: 360px; margin: 12px 0 0; font-size: 15px; line-height: 1.55; }
.uav-entry-tile.is-dark { color: #fff; background: #1d1d1f; }
.uav-entry-tile.is-dark p:not(.eyebrow) { color: rgba(255, 255, 255, .78); }
.uav-entry-mark { align-self: flex-start; color: var(--link); font: 600 13px/1 var(--font-text); }
.uav-section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .8fr); gap: 48px; align-items: end; margin-bottom: 54px; }
.uav-section-heading h2 { max-width: 500px; margin: 0; font: 600 40px/1.1 var(--font-display); letter-spacing: 0; }
.uav-section-heading p { max-width: 480px; margin: 0; font-size: 17px; line-height: 1.55; }
.uav-feature-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 30px; row-gap: 70px; }
.uav-feature { grid-column: span 5; }
.uav-grid-spacer { grid-column: span 2; }
.uav-feature-wide { grid-column: 1 / -1; max-width: 820px; }
.uav-icon { display: inline-flex; align-items: center; justify-content: center; width: 64px; height: 64px; border-radius: 18px; color: var(--link); background: var(--surface); font: 600 14px/1 var(--font-text); }
.uav-feature h3 { margin: 24px 0 0; font: 600 24px/1.22 var(--font-display); letter-spacing: 0; }
.article-text-wrapper { margin-top: 14px; }
.article-text-wrapper p { margin: 0 0 12px; font-size: 15px; line-height: 1.65; }
.article-text-wrapper p:last-child { margin-bottom: 0; }
.uav-closing { padding-top: 0; }
.uav-closing-grid { display: grid; gap: 16px; }
.uav-closing-tile { display: grid; grid-template-columns: 1.2fr .8fr; min-height: 300px; overflow: hidden; border-radius: 18px; color: var(--ink); background: var(--surface); }
.uav-closing-tile.is-dark { color: #fff; background: #1d1d1f; }
.uav-closing-media { min-height: 300px; background: #111; }
.uav-closing-media img { width: 100%; height: 100%; min-height: 300px; object-fit: cover; }
.uav-closing-copy { display: flex; flex-direction: column; justify-content: center; padding: 40px; }
.uav-closing-copy h3 { margin: 16px 0 0; font: 600 26px/1.2 var(--font-display); letter-spacing: 0; }
.uav-closing-copy p:not(.eyebrow) { margin: 12px 0 0; font-size: 15px; line-height: 1.6; }
.uav-closing-tile.is-dark .uav-closing-copy p:not(.eyebrow) { color: rgba(255, 255, 255, .78); }
.uav-closing-copy .text-link { display: inline-block; margin-top: 24px; }
.uav-closing-tile:not(.is-dark) .uav-closing-copy { align-items: center; min-height: 270px; }

/* Home */
.home-hero { padding: 106px 0 88px; }
.home-hero .hero-title { max-width: 760px; margin: 0 auto; }
.home-hero .hero-intro { max-width: 680px; }
.hero-media { width: 100%; max-width: 980px; margin: 56px auto 0; overflow: hidden; border-radius: 22px; background: var(--paper); }
.hero-media img { width: 100%; height: min(54vw, 520px); object-fit: cover; }
.hero-caption { display: flex; justify-content: space-between; padding: 12px 16px; color: var(--secondary); background: var(--paper); font-size: 12px; letter-spacing: 0; }
.home-actions { display: flex; justify-content: center; align-items: center; gap: 25px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; gap: 10px; padding: 11px 16px; border-radius: 999px; color: var(--white); background: var(--ink); font-size: 12px; font-weight: 600; letter-spacing: 0; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); background: #000; }
.text-link, .card-link, .portal-link, .resource-link { color: var(--link); font-size: 12px; font-weight: 600; letter-spacing: 0; }
.text-link:hover, .card-link:hover, .portal-link:hover, .resource-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.innovation-grid, .flow-grid, .portal-grid, .resource-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.innovation-card { overflow: hidden; border-radius: 18px; background: var(--paper); transition: transform .35s cubic-bezier(.2, .7, .2, 1), box-shadow .35s ease; }
.innovation-card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(29, 29, 31, .1); }
.innovation-card figure { position: relative; height: 220px; margin: 0; overflow: hidden; }
.innovation-card figure img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s cubic-bezier(.2, .7, .2, 1); }
.innovation-card:hover figure img { transform: scale(1.03); }
.card-number { position: absolute; z-index: 1; top: 14px; left: 15px; color: var(--white); font-size: 12px; font-weight: 600; }
.card-body { display: flex; flex-direction: column; min-height: 245px; padding: 22px; }
.card-body h3, .portal h3, .resource-card h3 { margin: 0; font: 600 21px/1.25 var(--font-display); letter-spacing: 0; }
.card-body p, .portal p, .resource-card p { margin: 12px 0 0; color: var(--ink); font-size: 15px; line-height: 1.55; }
.card-facts { display: flex; flex-wrap: wrap; gap: 8px 14px; margin: 22px 0 0; padding: 0; list-style: none; color: var(--secondary); font-size: 12px; letter-spacing: 0; }
.card-facts li::before { content: "·"; margin-right: 5px; color: var(--link); }
.card-link { margin-top: auto; padding-top: 24px; }
.flow-card, .portal, .resource-card { padding: 24px; border-radius: 18px; background: var(--paper); }
.flow-card b { color: var(--link); font-size: 12px; }
.flow-card h3 { margin: 30px 0 0; font: 600 20px/1.25 var(--font-display); letter-spacing: 0; }
.flow-card p { margin: 10px 0 0; color: var(--ink); font-size: 15px; line-height: 1.55; }
.portal { display: flex; flex-direction: column; min-height: 220px; background: var(--surface); border: 1px solid var(--line); }
.portal.blue { color: var(--white); background: #0071e3; border-color: #0071e3; }
.portal p { color: var(--ink); }
.portal.blue p { color: var(--white); }
.portal-link { margin-top: auto; padding-top: 24px; }
.portal.blue .portal-link { color: var(--white); }

/* Innovation pages */
.research-hero { padding: 94px 0 76px; text-align: center; }
.research-hero .hero-title { max-width: 780px; margin: 0 auto; }
.research-hero .hero-intro { max-width: 760px; }
.research-meta { display: grid; grid-template-columns: repeat(3, 1fr); max-width: 620px; margin: 38px auto 0; border-top: 1px solid var(--line); }
.research-meta div { padding: 16px 12px 0; }
.research-meta dt { color: var(--secondary); font-size: 12px; letter-spacing: 0; }
.research-meta dd { margin: 6px 0 0; font: 600 21px/1.2 var(--font-display); letter-spacing: 0; }
.research-hero .hero-media { margin-top: 52px; }
.research-hero .hero-media img { height: min(54vw, 500px); }
.two-up { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.feature-card { min-height: 220px; padding: 26px; border-radius: 18px; background: var(--surface); }
.feature-card h3 { margin: 34px 0 0; font: 600 24px/1.22 var(--font-display); letter-spacing: 0; }
.feature-card p { margin: 12px 0 0; color: var(--ink); font-size: 15px; line-height: 1.6; }
.workflow { max-width: 820px; margin: 0 auto; }
.workflow-row { display: grid; grid-template-columns: 48px 190px 1fr; gap: 18px; align-items: start; padding: 22px 0; border-top: 1px solid var(--line); }
.workflow-row b { color: var(--link); font-size: 12px; }
.workflow-row h3 { margin: 0; font: 600 19px/1.3 var(--font-display); letter-spacing: 0; }
.workflow-row p { margin: 0; color: var(--ink); font-size: 15px; line-height: 1.55; }
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.metric { min-height: 160px; padding: 24px; border-radius: 18px; background: var(--paper); }
.metric strong { display: block; font: 600 34px/1.1 var(--font-display); letter-spacing: -.02em; }
.metric span { display: block; margin-top: 12px; color: var(--ink); font-size: 14px; line-height: 1.5; }
.technical-note { padding: 0 0 96px; }
.technical-note-box { display: flex; justify-content: space-between; gap: 30px; padding: 24px; border-radius: 16px; background: #f0f7ff; }
.technical-note-box h3 { margin: 0; font: 600 17px/1.3 var(--font-display); letter-spacing: 0; }
.technical-note-box p { max-width: 720px; margin: 8px 0 0; color: var(--ink); font-size: 14px; line-height: 1.55; }
.technical-note-box a { align-self: center; flex: none; }

/* Platform, resources, documentation and lab pages */
.simple-hero { padding: 96px 0 74px; }
.simple-hero h1 { max-width: 780px; }
.simple-hero p:not(.eyebrow) { max-width: 680px; margin: 22px 0 0; color: var(--ink); font-size: 21px; line-height: 1.45; }
.module-list { display: grid; gap: 16px; }
.module { display: grid; grid-template-columns: .75fr 1.25fr; gap: 42px; align-items: center; padding: 22px; border-radius: 18px; background: var(--paper); }
.module h2 { margin: 20px 0 0; font: 600 28px/1.2 var(--font-display); letter-spacing: 0; }
.module p { margin: 12px 0 0; color: var(--ink); font-size: 15px; line-height: 1.55; }
.module ul { margin: 20px 0 0; padding: 0; list-style: none; font-size: 13px; }
.module li { padding: 9px 0; border-top: 1px solid var(--line); }
.module-media { overflow: hidden; border-radius: 12px; background: var(--surface); }
.module-media img { width: 100%; max-height: 390px; object-fit: cover; }
.resource-card { min-height: 210px; background: var(--paper); }
.resource-card h3 { margin-top: 28px; }
.resource-link { display: inline-block; margin-top: 22px; }
.docs-layout { display: grid; grid-template-columns: 190px 1fr; gap: 64px; padding-bottom: 110px; }
.docs-aside { position: sticky; top: 115px; align-self: start; display: grid; gap: 11px; }
.docs-aside span { margin-bottom: 7px; color: var(--link); font-size: 12px; font-weight: 600; }
.docs-aside a { color: var(--secondary); font-size: 13px; letter-spacing: 0; }
.docs-aside a:hover { color: var(--ink); }
.docs-block { padding: 0 0 42px; margin: 0 0 42px; border-bottom: 1px solid var(--line); scroll-margin-top: 120px; }
.docs-block:last-child { margin-bottom: 0; }
.docs-block > span { color: var(--link); font-size: 12px; font-weight: 600; }
.docs-block h2 { margin: 18px 0 10px; font: 600 30px/1.2 var(--font-display); letter-spacing: 0; }
.docs-block p { max-width: 650px; margin: 0; font-size: 15px; line-height: 1.6; }
.doc-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.doc-links a { padding: 7px 10px; color: var(--link); border: 1px solid rgba(0, 102, 204, .25); border-radius: 999px; font-size: 12px; letter-spacing: 0; }
.site-footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; min-height: 112px; padding: 28px max(22px, calc((100% - 1024px) / 2)); border-top: 1px solid var(--line); color: var(--secondary); font-size: 12px; letter-spacing: 0; }
.site-footer .brand { color: var(--ink); }
.footer-nav { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-nav a:hover { color: var(--ink); }
.color-scheme-toggle { display: inline-flex; align-items: center; gap: 2px; padding: 2px; border: 1px solid var(--toggle-border); border-radius: 999px; }
.color-scheme-toggle label { position: relative; cursor: pointer; }
.color-scheme-toggle input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.color-scheme-toggle .text { display: block; padding: 5px 10px; border: 1px solid transparent; border-radius: 999px; color: var(--secondary); font-size: 12px; line-height: 1; white-space: nowrap; transition: color .2s ease, background-color .2s ease; }
.color-scheme-toggle input:focus-visible + .text { outline: 2px solid var(--link); outline-offset: 2px; }
.color-scheme-toggle input:checked + .text { color: var(--toggle-active-ink); background: var(--toggle-active); }

/* Apple-style adaptive palette: one semantic switch drives every surface. */
html[data-color-scheme="dark"] {
  color-scheme: dark;
  --ink: #f5f5f7;
  --secondary: #a1a1a6;
  --link: #2997ff;
  --paper: #1d1d1f;
  --surface: #1d1d1f;
  --canvas: #000;
  --line: rgba(245, 245, 247, .18);
  --toggle-border: rgba(245, 245, 247, .35);
  --toggle-active: #f5f5f7;
  --toggle-active-ink: #1d1d1f;
}
html[data-color-scheme="dark"] .global-header,
html[data-color-scheme="dark"] .localnav { border-color: rgba(245, 245, 247, .16); background: rgba(29, 29, 31, .86); }
html[data-color-scheme="dark"] .nav-flyout { background: rgba(29, 29, 31, .98); }
html[data-color-scheme="dark"] .global-nav > a,
html[data-color-scheme="dark"] .nav-innovation > button { color: rgba(245, 245, 247, .82); }
html[data-color-scheme="dark"] .global-nav > a:hover,
html[data-color-scheme="dark"] .global-nav > a[aria-current="page"],
html[data-color-scheme="dark"] .nav-innovation > button:hover,
html[data-color-scheme="dark"] .nav-innovation > button[aria-expanded="true"] { color: var(--ink); }
html[data-color-scheme="dark"] .button { color: #1d1d1f; background: #f5f5f7; }
html[data-color-scheme="dark"] .button:hover { background: #fff; }
html[data-color-scheme="dark"] .portal.blue { color: #fff; background: #0a84ff; border-color: #0a84ff; }
html[data-color-scheme="dark"] .portal.blue p,
html[data-color-scheme="dark"] .portal.blue .portal-link { color: #fff; }
html[data-color-scheme="dark"] .technical-note-box { background: #16283b; }
[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s cubic-bezier(.2, .7, .2, 1); }
[data-reveal].is-visible { opacity: 1; transform: none; }
[data-reveal]:nth-child(2) { transition-delay: .06s; }
[data-reveal]:nth-child(3) { transition-delay: .12s; }

@media (max-width: 1068px) {
  .hero-title, h1 { font-size: 40px; line-height: 1.1; font-weight: 600; letter-spacing: 0; }
  .section-heading h2 { font-size: 32px; line-height: 1.125; }
  .content { width: calc(100% - 44px); }
  .innovation-grid, .flow-grid, .portal-grid, .resource-grid, .metric-grid { grid-template-columns: 1fr; }
  .innovation-card { display: grid; grid-template-columns: .9fr 1.1fr; }
  .innovation-card figure { height: 100%; min-height: 220px; }
  .nav-flyout-inner { max-width: 768px; }
  .uav-feature-grid { column-gap: 20px; }
}
@media (max-width: 734px) {
  :root { --localnav-height: 48px; }
  body { font-size: 17px; letter-spacing: 0; }
  .global-header { height: 48px; }
  .global-header-inner { padding: 0 16px; }
  .global-nav > a, .nav-innovation > button { height: 48px; padding: 0 8px; font-size: 12px; }
  .global-nav > a:nth-of-type(n + 3) { display: none; }
  .nav-flyout { top: 48px; }
  .nav-flyout-inner { display: block; padding: 28px 16px 34px; }
  .nav-flyout-intro { margin-bottom: 24px; }
  .innovation-links { grid-template-columns: 1fr; }
  .innovation-link { min-height: 112px; }
  .innovation-link strong { margin-top: 18px; }
  .localnav-inner { padding: 0 16px; }
  .localnav-title { font-size: 17px; }
  .localnav-links { gap: 14px; }
  .localnav-links a { font-size: 11px; }
  .home-hero, .research-hero, .simple-hero { padding: 72px 0 60px; }
  .hero-title, h1 { font-size: 32px; line-height: 1.125; letter-spacing: .004em; }
  .hero-intro, .intro, .simple-hero p:not(.eyebrow) { font-size: 19px; line-height: 1.42; }
  .section { padding: 72px 0; }
  .home-actions { flex-direction: column; gap: 17px; }
  .hero-media { margin-top: 38px; border-radius: 16px; }
  .hero-media img, .research-hero .hero-media img { height: 58vw; min-height: 240px; }
  .hero-caption { font-size: 11px; }
  .innovation-card { display: block; }
  .innovation-card figure { height: 210px; min-height: 0; }
  .two-up { grid-template-columns: 1fr; }
  .workflow-row { grid-template-columns: 36px 1fr; gap: 10px 14px; }
  .workflow-row p { grid-column: 2; }
  .research-meta { margin-top: 30px; }
  .research-meta dd { font-size: 17px; }
  .module { grid-template-columns: 1fr; gap: 24px; padding: 16px; }
  .module h2 { font-size: 24px; }
  .docs-layout { grid-template-columns: 1fr; gap: 34px; }
  .docs-aside { position: static; }
  .technical-note-box { flex-direction: column; }
  .site-footer { flex-direction: column; align-items: flex-start; padding: 26px 16px; }
  .uav-entry-grid, .uav-section-heading { grid-template-columns: 1fr; }
  .uav-section-heading { gap: 18px; margin-bottom: 36px; }
  .uav-section-heading h2 { font-size: 32px; }
  .uav-feature, .uav-feature-wide { grid-column: 1 / -1; }
  .uav-grid-spacer { display: none; }
  .uav-closing-tile { display: block; }
  .uav-closing-media, .uav-closing-media img { min-height: 220px; height: 220px; }
  .uav-closing-copy { padding: 28px 22px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* QGIS agent page: Apple-inspired hero, entry tiles and capability grid. */
.agent-page .research-hero { padding-bottom: 88px; }
.agent-hero-copy { max-width: 700px; margin: 16px auto 0; font-size: 17px; line-height: 1.6; }
.agent-meta { display: grid; grid-template-columns: repeat(4, 1fr); max-width: 720px; margin: 38px auto 0; border-top: 1px solid var(--line); }
.agent-meta div { padding: 15px 12px 0; text-align: center; }
.agent-meta span { display: block; color: var(--secondary); font-size: 12px; letter-spacing: .02em; }
.agent-meta strong { display: block; margin-top: 6px; font: 600 17px/1.25 var(--font-display); letter-spacing: 0; }
.agent-entry-section { padding-top: 8px; }
.agent-entry-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.agent-entry-card { display: flex; flex-direction: column; justify-content: space-between; min-height: 280px; padding: 28px; border-radius: 18px; color: var(--ink); background: var(--paper); transition: transform .3s cubic-bezier(.2, .7, .2, 1), box-shadow .3s ease; }
.agent-entry-card:hover { transform: translateY(-3px); box-shadow: 0 18px 38px rgba(29, 29, 31, .12); }
.agent-entry-card.is-dark { color: #fff; background: #1d1d1f; }
.agent-entry-card.is-dark p { color: rgba(255, 255, 255, .78); }
.agent-entry-card h3 { max-width: 430px; margin: 34px 0 0; font: 600 32px/1.2 var(--font-display); letter-spacing: 0; }
.agent-entry-card p { max-width: 440px; margin: 12px 0 0; font-size: 17px; line-height: 1.55; }
.agent-entry-card .text-link { display: inline-block; margin-top: 24px; }
.agent-entry-mark { align-self: flex-start; color: var(--link); font: 600 13px/1 var(--font-text); letter-spacing: .02em; }
.agent-capability-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 72px; row-gap: 64px; }
.agent-capability { min-width: 0; }
.agent-capability-wide { grid-column: 1 / -1; max-width: 820px; }
.agent-capability h3 { margin: 24px 0 0; font: 600 32px/1.22 var(--font-display); letter-spacing: 0; }
.agent-capability .article-text-wrapper { margin-top: 16px; }
.agent-capability .article-text-wrapper p { margin: 0 0 14px; color: var(--ink); font-size: 17px; line-height: 1.6; }
.agent-capability .article-text-wrapper p:last-child { margin-bottom: 0; }
.agent-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 20px; }
.agent-tags span { padding: 5px 9px; color: var(--secondary); border: 1px solid var(--line); border-radius: 999px; font: 12px/1 var(--font-text); letter-spacing: 0; }
.agent-process { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; margin-top: 22px; color: var(--link); font-size: 13px; }
.agent-process span { padding: 6px 9px; border-radius: 999px; background: var(--surface); }
.agent-process i { color: var(--secondary); font-style: normal; }
.agent-closing-grid { display: grid; gap: 16px; }
.agent-closing-card { display: grid; grid-template-columns: minmax(0, 1fr) 250px; gap: 32px; align-items: center; min-height: 300px; padding: 40px; border-radius: 18px; color: var(--ink); background: var(--paper); }
.agent-closing-card.is-dark { color: #fff; background: #1d1d1f; }
.agent-closing-card.is-dark p:not(.eyebrow) { color: rgba(255, 255, 255, .78); }
.agent-closing-card h3 { margin: 16px 0 0; font: 600 32px/1.2 var(--font-display); letter-spacing: 0; }
.agent-closing-card p:not(.eyebrow) { max-width: 620px; margin: 12px 0 0; font-size: 17px; line-height: 1.6; }
.agent-closing-card .text-link { display: inline-block; margin-top: 22px; }
.agent-closing-card.is-dark .text-link { color: #2997ff; }
.agent-closing-mark { color: var(--link); font: 600 27px/1.16 var(--font-display); letter-spacing: -.02em; text-align: center; }
.agent-closing-mark.is-soft { color: var(--secondary); font-size: 21px; }

@media (max-width: 1068px) {
  .agent-capability-grid { column-gap: 36px; }
  .agent-closing-card { grid-template-columns: minmax(0, 1fr) 190px; padding: 32px; }
}

@media (max-width: 734px) {
  .agent-page .research-hero { padding-bottom: 60px; }
  .agent-hero-copy { font-size: 16px; line-height: 1.55; }
  .agent-meta { grid-template-columns: repeat(2, 1fr); row-gap: 18px; margin-top: 30px; }
  .agent-meta div { padding-top: 12px; }
  .agent-entry-grid, .agent-capability-grid { grid-template-columns: 1fr; }
  .agent-entry-card { min-height: 240px; padding: 24px; }
  .agent-entry-card h3 { margin-top: 26px; font-size: 24px; }
  .agent-entry-card p, .agent-capability .article-text-wrapper p, .agent-closing-card p:not(.eyebrow) { font-size: 16px; }
  .agent-capability-wide { grid-column: auto; }
  .agent-capability h3 { font-size: 24px; }
  .agent-closing-card { display: block; min-height: 0; padding: 28px 24px; }
  .agent-closing-mark { margin-top: 30px; text-align: left; }
}