html { scroll-behavior: smooth; }
body.landing-page { overflow-x: hidden; background: #fff; color: var(--oa-text); font-size: 18px; line-height: 1.46; }
body.dialog-open { overflow: hidden; }
a { color: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; top: 8px; left: 8px; padding: 9px 14px; background: #fff; color: var(--oa-blue); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.landing-account-notice { margin: 16px auto 0; width: min(calc(100% - 32px), 1180px); padding: 12px 16px; border: 1px solid #93d1a8; border-radius: 10px; background: #f0fff4; color: #176b38; font-weight: 600; }
.landing-account-notice i { margin-right: 8px; }
.landing-shell { width: min(100% - 80px, 1280px); margin-inline: auto; }

.landing-header { position: sticky; z-index: 20; top: 0; border-bottom: 1px solid rgba(217, 229, 242, .8); background: rgba(255, 255, 255, .95); backdrop-filter: blur(16px); }
.header-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand-lockup { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; flex: 0 0 auto; }
.brand-lockup img { width: 55px; height: 55px; object-fit: contain; }
.brand-name { color: #0753af; font-size: 31px; line-height: 1; letter-spacing: -.035em; }
.brand-name span:last-child { color: var(--oa-orange); }
.desktop-nav { display: flex; align-items: center; justify-content: center; gap: clamp(20px, 3vw, 42px); margin-left: auto; }
.desktop-nav a { color: #174576; font-size: 15px; font-weight: 600; text-decoration: none; white-space: nowrap; }
.desktop-nav a:hover { color: var(--oa-blue); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.language-picker { min-height: 42px; display: inline-flex; align-items: center; gap: 7px; border: 1px solid var(--oa-border); border-radius: 8px; background: #fff; color: #1c4c7e; padding: 0 8px 0 11px; }
.language-picker select { min-height: 40px; max-width: 104px; border: 0; background: transparent; color: inherit; font: inherit; font-size: 14px; font-weight: 600; outline: none; cursor: pointer; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; border: 1px solid transparent; border-radius: 9px; padding: 10px 22px; font-weight: 700; line-height: 1.2; text-align: center; text-decoration: none; cursor: pointer; transition: transform .15s, box-shadow .15s, background-color .15s; }
.button:hover { transform: translateY(-1px); }
.button:focus-visible, .mobile-menu-toggle:focus-visible, .dialog-close:focus-visible { outline: 3px solid rgba(7, 91, 203, .32); outline-offset: 3px; }
.button-primary { border-color: #dc7417; background: var(--oa-orange); color: #101820; box-shadow: 0 9px 22px rgba(246, 141, 46, .25); }
.button-primary:hover { background: #ee7f1d; }
.button-secondary { border-color: var(--oa-blue); background: var(--oa-blue); color: #fff; }
.button-outline { min-height: 42px; border-color: var(--oa-blue); background: #fff; color: var(--oa-blue); padding-inline: 21px; }
.button-outline:hover { background: #edf5ff; }
.button-outline-light { border-color: rgba(255,255,255,.75); background: rgba(3, 18, 42, .48); color: #fff; }
.mobile-menu-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--oa-border); border-radius: 8px; background: #fff; color: var(--oa-blue); font-size: 20px; }
.mobile-nav { border-top: 1px solid var(--oa-border); background: #fff; padding: 14px 24px 22px; }
.mobile-nav a { display: block; padding: 10px 0; color: #174576; font-weight: 600; text-decoration: none; }

.hero-section { position: relative; min-height: 680px; background: #f7fbff url("../landing/hero-office.webp") center / cover no-repeat; }
.hero-section::before { content: ""; position: absolute; inset: 0; background: rgba(255, 255, 255, .28); pointer-events: none; }
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(360px, .83fr) minmax(520px, 1.17fr); gap: 46px; align-items: center; padding-top: 54px; padding-bottom: 42px; }
.hero-copy { max-width: 540px; }
.eyebrow { margin: 0 0 10px; color: #557fae; font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.hero-copy h1 { margin: 0 0 14px; font-size: clamp(48px, 5vw, 67px); line-height: .98; letter-spacing: -.042em; }
.hero-copy h1 span { display: block; color: var(--oa-blue); }
.hero-copy > p:not(.eyebrow, .hero-emphasis) { margin: 0 0 13px; color: #294563; }
.hero-lead { color: var(--oa-text) !important; font-size: 20px; font-weight: 600; line-height: 1.3; }
.hero-emphasis { margin: 15px 0 18px; font-weight: 700; }
.cta-note { display: block; margin-top: 8px; color: #42617e; font-size: 14px; }
.hero-visual { position: relative; padding-top: 10px; }
.demo-frame { overflow: hidden; border: 1px solid #cbdcec; border-radius: 18px; background: #fff; box-shadow: 0 28px 60px rgba(34, 65, 98, .18); }
.demo-frame-hero { transform: perspective(1100px) rotateY(-2deg); }
.demo-frame-bar { min-height: 46px; display: flex; align-items: center; justify-content: space-between; gap: 12px; border-bottom: 1px solid #e1eaf4; background: #f8fbff; color: var(--oa-blue); padding: 0 18px; font-size: 15px; font-weight: 700; }
.demo-badge { border: 1px solid #c7dbf2; border-radius: 99px; background: #edf5ff; color: #476787; padding: 4px 10px; font-size: 12px; font-weight: 600; }
.landing-media { width: 100%; aspect-ratio: 16 / 9; display: block; background: #f4f8fd; object-fit: cover; }
.landing-poster { user-select: none; }
.media-language-note { display: block; margin-top: 8px; color: #667b92; font-size: 13px; text-align: right; }
.video-label { margin: 14px 10px 0 auto; color: var(--oa-blue); font-size: 16px; font-weight: 600; text-align: right; }
.video-label i { margin-right: 7px; }
.availability-strip { grid-column: 1 / -1; display: flex; gap: 52px; margin-top: 3px; padding-left: 4px; }
.availability-strip > div { display: flex; align-items: center; gap: 13px; }
.availability-strip i { color: var(--oa-blue); font-size: 32px; }
.availability-strip p, .availability-strip strong, .availability-strip span { display: block; margin: 0; }
.availability-strip strong { color: #1a4c80; font-size: 15px; }
.availability-strip span { color: #5e7390; font-size: 14px; }

.experience-strip { border-block: 1px solid #e2ebf4; background: #fff; }
.experience-inner { min-height: 118px; display: flex; align-items: center; gap: 22px; padding-block: 24px; }
.experience-inner > i { color: var(--oa-blue); font-size: 32px; }
.experience-inner strong { color: #194f87; font-size: 20px; }
.experience-inner p { margin: 4px 0 0; color: #5a6e87; font-size: 16px; }
.landing-section { padding-block: 34px; }
.compact-top { padding-top: 0; }
.feature-panel { border: 1px solid #e0eaf4; border-radius: 22px; background: #f4f8fd; box-shadow: 0 18px 46px rgba(42, 75, 109, .08); padding: clamp(28px, 4vw, 52px); }
.start-panel { display: grid; grid-template-columns: .72fr 1.28fr; gap: 46px; align-items: center; }
.section-copy h2, .section-heading h2, .leaders-heading h2, .access-inner h2, .final-inner h2 { margin: 0 0 13px; font-size: clamp(34px, 3.8vw, 48px); line-height: 1.05; letter-spacing: -.03em; }
.section-copy > p:not(.eyebrow, .section-emphasis) { color: #45617e; }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 0; padding: 0; list-style: none; }
.steps-grid li { position: relative; min-height: 260px; border: 1px solid #d5e3f1; border-radius: 13px; background: #fff; padding: 25px 20px; box-shadow: 0 10px 25px rgba(50, 82, 113, .07); }
.step-number { position: absolute; top: -11px; left: 16px; width: 26px; height: 26px; display: grid; place-items: center; border-radius: 50%; background: var(--oa-blue); color: #fff; font-size: 13px; font-weight: 700; }
.steps-grid i { display: block; margin: 18px 0 22px; color: var(--oa-blue); font-size: 32px; }
.steps-grid strong { display: block; font-size: 20px; line-height: 1.1; }
.steps-grid p { margin: 9px 0 0; color: #61748d; font-size: 15px; }
.panel-result { grid-column: 2; margin: 0; color: #18548d; font-weight: 600; }
.panel-result i { color: #39a65b; }
.knowledge-panel { display: grid; grid-template-columns: .82fr 1.18fr; gap: 58px; align-items: center; }
.supporting-copy { font-size: 15px; }
.answer-demo { border-radius: 16px; background: #fff; padding: 18px; box-shadow: 0 14px 35px rgba(38, 70, 105, .09); }
.landing-media-answer { border: 1px solid #dce7f3; border-radius: 11px; }
.answer-note { margin: 12px 3px 0; color: #526b86; font-size: 14px; }

.sources-section { padding: 8px 0 40px; }
.sources-grid { display: grid; grid-template-columns: repeat(6, 1fr); border-block: 1px solid #e2eaf3; padding-block: 28px; }
.sources-grid > div { min-height: 106px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 9px; border-right: 1px solid #dce6f0; color: #183f6a; padding: 0 15px; text-align: center; }
.sources-grid > div:last-child { border-right: 0; }
.sources-grid i { color: var(--oa-blue); font-size: 31px; }
.sources-grid span { font-size: 15px; line-height: 1.25; }
.network-section { background: #f9fbfe; }
.network-grid { display: grid; grid-template-columns: .86fr 1.14fr; gap: 64px; align-items: center; }
.section-emphasis { margin-top: 23px; color: var(--oa-text); font-weight: 700; }
.network-figure { position: relative; width: min(100%, 590px); margin: 0 auto; }
.network-figure > img { display: block; width: 100%; height: auto; }
.network-figure figcaption { position: absolute; inset: 0 0 auto; width: 100%; aspect-ratio: 1; }
.network-node { position: absolute; width: 25%; display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--oa-blue); text-align: center; transform: translate(-50%, -50%); }
.network-node i { font-size: clamp(22px, 2.7vw, 36px); }
.network-node strong { margin-top: 4px; font-size: clamp(15px, 1.6vw, 20px); }
.node-people { top: 18.7%; left: 50%; }
.node-knowledge { top: 69.1%; left: 21.8%; }
.node-ai { top: 69.1%; left: 78%; }
.network-figure > p { margin: -10px 0 0; color: #60748d; font-size: 14px; text-align: center; }

.leaders-heading { max-width: 900px; margin: 0 auto 30px; text-align: center; }
.leaders-heading > p:last-child { color: #506781; }
.question-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin: 23px 0; }
.question-row span { border: 1px solid #cadcf0; border-radius: 99px; background: #f3f8fe; color: #174d83; padding: 8px 15px; font-weight: 600; }
.case-label { color: #68819c; font-size: 13px; font-weight: 700; letter-spacing: .11em; text-align: center; text-transform: uppercase; }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.case-grid article { border: 1px solid var(--oa-border); border-radius: 16px; background: #fff; padding: 27px; box-shadow: 0 12px 30px rgba(37, 72, 108, .07); }
.case-grid article > i { color: var(--oa-blue); font-size: 31px; }
.case-grid h3 { margin: 16px 0 10px; font-size: 24px; line-height: 1.13; }
.case-grid p { color: #526a84; font-size: 16px; }
.case-grid strong { color: #164e87; font-size: 15px; }
.leaders-closing { margin: 27px 0 0; color: #49627e; text-align: center; }
.leaders-closing strong { color: var(--oa-text); }
.access-section { border-block: 1px solid #dbe7f3; background: #eff6fd; }
.access-inner { min-height: 142px; display: flex; align-items: center; gap: 24px; padding-block: 30px; }
.access-inner > i { color: var(--oa-blue); font-size: 40px; }
.access-inner h2 { margin-bottom: 6px; font-size: 30px; }
.access-inner p { margin: 0; color: #49637e; }
.section-heading { max-width: 760px; margin-bottom: 28px; }
.deployment-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.deployment-grid article { display: flex; flex-direction: column; align-items: flex-start; border: 1px solid var(--oa-border); border-radius: 18px; background: #f7faff; padding: 32px; }
.deployment-grid article > i { color: var(--oa-blue); font-size: 36px; }
.deployment-grid h3 { margin: 16px 0 8px; font-size: 28px; line-height: 1.12; }
.deployment-grid p { color: #506984; }
.deployment-grid ul { margin: 9px 0 21px; color: #425d79; padding-left: 20px; }
.deployment-grid .button { margin-top: auto; }
.deployment-grid small { margin-top: 9px; color: #60758e; }
.final-section { position: relative; min-height: 290px; display: flex; align-items: center; background: #07162c url("../landing/earth-horizon.webp") center bottom / cover no-repeat; color: #fff; }
.final-section::before { content: ""; position: absolute; inset: 0; background: rgba(3, 15, 34, .55); }
.final-inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 40px; padding-block: 54px; }
.final-inner > div { max-width: 760px; }
.final-inner h2 { margin-bottom: 10px; color: #fff; }
.final-inner p { margin: 0; color: #dfe9f5; }
.final-inner .eyebrow { color: #a9c8ed; }
.landing-footer { border-top: 1px solid rgba(255,255,255,.14); background: #07162c; color: #fff; }
.footer-inner { min-height: 112px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.footer-brand { display: flex; flex-direction: column; align-items: flex-start; gap: 5px; }
.brand-lockup-footer .brand-name span:first-child { color: #fff; }
.brand-lockup-footer img { filter: drop-shadow(0 0 8px rgba(255,255,255,.35)); }
.footer-powered-by { color: #c5d4e5; font-size: 13px; font-weight: 600; text-decoration: none; }
.footer-powered-by:hover { color: #fff; text-decoration: underline; }
.footer-powered-by:focus-visible { outline: 3px solid rgba(169,200,237,.8); outline-offset: 3px; }
.footer-inner p { color: #c5d4e5; text-align: center; }

.login-dialog { width: min(100% - 28px, 510px); max-height: calc(100dvh - 36px); margin: auto 18px auto auto; overflow: auto; border: 0; border-radius: 22px; background: #fff; padding: 38px; box-shadow: 0 30px 90px rgba(0, 20, 50, .32); }
.login-dialog::backdrop { background: rgba(7, 22, 44, .46); backdrop-filter: blur(5px); }
.dialog-close { position: absolute; z-index: 2; top: 18px; right: 18px; width: 38px; height: 38px; border: 1px solid var(--oa-border); border-radius: 50%; background: #fff; color: #315575; cursor: pointer; }
.login-dialog[open] { animation: panel-in .24s ease-out; }
@keyframes panel-in { from { opacity: 0; transform: translateX(28px); } to { opacity: 1; transform: translateX(0); } }

@media (max-width: 1050px) {
  .desktop-nav { display: none; }
  .mobile-menu-toggle { display: inline-grid; place-items: center; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 710px; }
  .hero-visual { max-width: 780px; }
  .availability-strip { grid-column: auto; }
  .start-panel, .knowledge-panel, .network-grid { grid-template-columns: 1fr; }
  .panel-result { grid-column: auto; }
  .sources-grid { grid-template-columns: repeat(3, 1fr); }
  .sources-grid > div:nth-child(3) { border-right: 0; }
  .sources-grid > div:nth-child(-n+3) { border-bottom: 1px solid #dce6f0; }
}

@media (max-width: 760px) {
  .landing-shell { width: min(100% - 40px, 1280px); }
  .header-inner { min-height: 68px; gap: 12px; }
  .brand-lockup img { width: 45px; height: 45px; }
  .brand-name { font-size: 25px; }
  .header-login { display: none; }
  .language-picker select { max-width: 92px; }
  .hero-section { min-height: 0; background-position: 64% center; }
  .hero-grid { gap: 31px; padding-top: 38px; }
  .hero-copy h1 { font-size: clamp(40px, 12vw, 54px); }
  .demo-frame-hero { transform: none; }
  .availability-strip { flex-direction: column; gap: 16px; }
  .experience-inner { align-items: flex-start; }
  .feature-panel { padding: 27px 21px; }
  .steps-grid { grid-template-columns: 1fr; }
  .steps-grid li { min-height: 0; }
  .case-grid, .deployment-grid { grid-template-columns: 1fr; }
  .sources-grid { grid-template-columns: repeat(2, 1fr); }
  .sources-grid > div:nth-child(3) { border-right: 1px solid #dce6f0; }
  .sources-grid > div:nth-child(even) { border-right: 0; }
  .sources-grid > div:nth-child(-n+4) { border-bottom: 1px solid #dce6f0; }
  .network-node strong { font-size: 14px; }
  .final-inner, .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-inner { padding-block: 28px; }
  .footer-inner p { text-align: left; }
  .login-dialog { width: 100%; max-width: none; min-height: 100dvh; max-height: 100dvh; margin: 0; border-radius: 0; padding: 34px 22px 28px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}