:root {
    color-scheme: light;
    --navy: #101D35;
    --navy-light: #192B4A;
    --navy-soft: #243957;
    --grey: #667085;
    --grey-dark: #414B5D;
    --grey-light: #D9DEE7;
    --surface: #F4F6F9;
    --white: #FFFFFF;
    --accent: #A9C7F5;
    --radius: 18px;
    --shadow: 0 20px 60px rgba(16, 29, 53, .09);
    --container: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
    margin: 0;
    background: var(--white);
    color: var(--navy);
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
body, button, a { font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { max-width: 100%; }
.container { width: min(var(--container), calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: absolute; top: -100px; left: 12px; z-index: 1000; padding: 12px 16px; background: white; color: var(--navy); }
.skip-link:focus { top: 12px; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, .97);
    border-bottom: 1px solid rgba(16, 29, 53, .08);
    backdrop-filter: blur(14px);
}
.header-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-mark {
    display: grid; place-items: center; width: 46px; height: 46px; border-radius: 13px;
    color: white; background: var(--navy); font-size: 27px; font-weight: 800; letter-spacing: -2px;
}
.brand-copy { display: flex; flex-direction: column; line-height: 1.35; }
.brand-copy strong { font-size: 18px; letter-spacing: -.5px; }
.brand-copy small { color: var(--grey); font-size: 11px; }
.main-navigation { display: flex; align-items: center; justify-content: flex-end; gap: 22px; }
.nav-link { color: var(--grey-dark); font-size: 12px; font-weight: 650; transition: color .2s ease; white-space: nowrap; }
.nav-link:hover, .nav-link.active { color: var(--navy); }
.nav-cta { display: inline-flex; align-items: center; gap: 9px; padding: 12px 16px; border-radius: 8px; background: var(--navy); color: white; font-size: 12px; font-weight: 700; white-space: nowrap; transition: background .2s, transform .2s; }
.nav-cta:hover, .button-dark:hover { background: var(--navy-soft); transform: translateY(-1px); }
.menu-toggle { display: none; border: 0; background: transparent; padding: 8px; cursor: pointer; }
.menu-toggle span { display: block; width: 25px; height: 2px; margin: 5px; background: var(--navy); }

.hero { position: relative; overflow: hidden; isolation: isolate; color: white; background: var(--navy); }
.hero-pattern {
    position: absolute; z-index: -1; inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,.1) 1px, transparent 0);
    background-size: 27px 27px; opacity: .35;
    mask-image: linear-gradient(90deg, transparent 0%, black 70%);
}
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 44px; min-height: 590px; padding-top: 62px; padding-bottom: 62px; }
.hero-content { position: relative; z-index: 2; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; color: var(--grey); font-size: 11px; font-weight: 800; letter-spacing: 1.6px; text-transform: uppercase; }
.eyebrow-light { color: #B9C9E0; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: #9BC1FF; box-shadow: 0 0 0 5px rgba(155,193,255,.12); }
.hero h1 { max-width: 650px; margin: 27px 0 23px; font-size: clamp(42px, 5.2vw, 67px); font-weight: 760; letter-spacing: -3.1px; line-height: 1.09; }
.hero h1 span { color: #A9C7F5; }
.hero-description { max-width: 570px; margin: 0; color: #D0D8E5; font-size: 17px; line-height: 1.85; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 33px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 12px; min-height: 49px; padding: 13px 19px; border: 1px solid transparent; border-radius: 8px; font-size: 13px; font-weight: 750; transition: background .2s, color .2s, transform .2s; cursor: pointer; }
.button-primary { background: white; color: var(--navy); }
.button-primary:hover, .button-white:hover { background: #E5EDF9; transform: translateY(-1px); }
.button-outline-light { color: white; border-color: rgba(255,255,255,.34); background: rgba(255,255,255,.03); }
.button-outline-light:hover { background: rgba(255,255,255,.1); }
.button-dark { color: white; background: var(--navy); }
.button-white { color: var(--navy); background: white; }
.hero-note { display: flex; align-items: center; gap: 12px; margin-top: 37px; }
.hero-note-icon { display: grid; place-items: center; width: 35px; height: 35px; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; color: #B9D1F6; }
.hero-note p { margin: 0; color: #B8C5D8; font-size: 12px; line-height: 1.7; }
.hero-note strong { color: white; }

.hero-visual { position: relative; min-height: 420px; display: grid; place-items: center; }
.visual-orbit { position: absolute; border: 1px solid rgba(199,217,245,.18); border-radius: 50%; }
.orbit-one { width: 345px; height: 345px; }
.orbit-two { width: 255px; height: 255px; }
.visual-core { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; justify-content: center; width: 175px; height: 175px; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; background: linear-gradient(145deg, #243958, #152440); box-shadow: 0 20px 60px rgba(0,0,0,.2); text-align: center; }
.core-symbol { color: #A9C7F5; font-size: 25px; }
.visual-core strong { margin-top: 4px; font-size: 25px; letter-spacing: -.7px; line-height: 1.02; }
.visual-core small { margin-top: 8px; color: #B8C8DE; font-size: 10px; }
.actor-card { position: absolute; z-index: 3; display: flex; align-items: center; gap: 10px; min-width: 158px; padding: 12px; border: 1px solid rgba(255,255,255,.6); border-radius: 12px; background: white; color: var(--navy); box-shadow: 0 14px 36px rgba(0,0,0,.16); }
.actor-card > span:last-child { display: flex; flex-direction: column; line-height: 1.4; }
.actor-card strong { font-size: 12px; }
.actor-card small { margin-top: 3px; color: var(--grey); font-size: 10px; }
.actor-icon { display: grid; place-items: center; width: 35px; height: 35px; border-radius: 9px; background: #E8EFFA; color: var(--navy); font-size: 13px; font-weight: 800; }
.actor-student { top: 28px; left: 3%; }
.actor-parent { top: 75px; right: -2%; }
.actor-teacher { bottom: 76px; left: 0; }
.actor-school { right: 0; bottom: 27px; }
.visual-caption { position: absolute; bottom: -5px; color: #AEBED4; font-size: 11px; letter-spacing: .3px; }
.hero-bottom-line { height: 4px; background: linear-gradient(90deg, #A9C7F5 0%, #647DA4 40%, #263B5B 100%); }

.trust-strip { background: white; border-bottom: 1px solid #E9EDF3; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); padding-top: 26px; padding-bottom: 26px; }
.trust-item { display: grid; grid-template-columns: 34px 1fr; column-gap: 10px; align-content: center; padding: 0 19px; border-right: 1px solid #E8EBF0; }
.trust-item:first-child { padding-left: 0; }
.trust-item:last-child { border-right: 0; }
.trust-item > span { grid-row: span 2; color: #7D94B5; font-size: 12px; font-weight: 800; }
.trust-item strong { font-size: 13px; }
.trust-item small { color: var(--grey); font-size: 11px; }

.section { padding: 100px 0; }
.section-light { background: white; }
.section-soft { background: var(--surface); }
.split-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; align-items: start; }
.section-heading h2, .section-intro h2, .product-copy h2, .trophy-copy h2, .join-content h2 { margin: 17px 0 22px; font-size: clamp(32px, 3.7vw, 46px); line-height: 1.17; letter-spacing: -1.8px; }
.heading-rule { width: 58px; height: 4px; border-radius: 5px; background: var(--navy); }
.section-copy p { color: var(--grey-dark); }
.section-copy .lead, .lead { color: #3E4B60; font-size: 18px; line-height: 1.85; }
.text-link { display: inline-flex; align-items: center; gap: 11px; margin-top: 12px; color: var(--navy); font-size: 13px; font-weight: 800; }
.text-link span { font-size: 18px; transition: transform .2s; }
.text-link:hover span { transform: translateX(4px); }
.section-intro { max-width: 680px; margin: 0 auto 46px; }
.centered { text-align: center; }
.section-intro h2 { margin-bottom: 13px; }
.section-intro p { color: var(--grey); }
.actor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.feature-card { padding: 28px 23px; border: 1px solid #E5E9F0; border-radius: var(--radius); background: white; transition: transform .2s, box-shadow .2s; }
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.feature-icon { display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 22px; border-radius: 13px; font-size: 17px; font-weight: 800; }
.icon-blue { background: #E8EFFA; color: var(--navy); }
.icon-grey { background: #EEF0F4; color: #4E5A6C; }
.feature-card h3 { margin: 0 0 10px; font-size: 17px; }
.feature-card p { margin: 0; color: var(--grey); font-size: 13px; line-height: 1.8; }

.product-layout { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 85px; }
.product-visual { position: relative; padding: 35px; border-radius: 24px; background: #E9EEF6; }
.product-visual-antarus { background: linear-gradient(145deg, #EAF0F8, #F6F7FA); }
.product-window { overflow: hidden; border: 1px solid rgba(16,29,53,.09); border-radius: 14px; background: white; box-shadow: 0 24px 55px rgba(16,29,53,.12); }
.window-top { display: flex; align-items: center; gap: 5px; padding: 15px 17px; border-bottom: 1px solid #EDF0F5; }
.window-top > span { width: 7px; height: 7px; border-radius: 50%; background: #CCD4E0; }
.window-top small { margin-left: 8px; color: #76849A; font-size: 8px; font-weight: 800; letter-spacing: 1px; }
.window-content { padding: 27px 22px 23px; }
.window-greeting { font-size: 19px; font-weight: 800; letter-spacing: -.5px; }
.window-subtitle { margin: 6px 0 22px; color: var(--grey); font-size: 11px; }
.dashboard-row { display: flex; align-items: center; gap: 12px; padding: 14px 0; border-top: 1px solid #EDF0F5; }
.dashboard-icon { display: grid; place-items: center; width: 35px; height: 35px; border-radius: 9px; background: #EAF0F9; color: #243D62; font-size: 10px; font-weight: 800; }
.dashboard-row > span:nth-child(2) { display: flex; flex: 1; flex-direction: column; line-height: 1.5; }
.dashboard-row strong { font-size: 12px; }
.dashboard-row small { color: var(--grey); font-size: 10px; }
.dashboard-arrow { color: #7589A7; }
.visual-tag { position: absolute; right: 5px; bottom: 15px; padding: 10px 15px; border: 1px solid #E2E7EF; border-radius: 9px; background: white; color: var(--navy); font-size: 10px; font-weight: 750; box-shadow: 0 8px 22px rgba(16,29,53,.08); }
.product-copy h2 span { color: var(--grey); font-size: .48em; letter-spacing: -.3px; }
.product-copy .lead { font-size: 15px; }
.check-list { display: grid; gap: 12px; margin: 25px 0 29px; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 29px; color: var(--grey-dark); font-size: 13px; }
.check-list li::before { content: "✓"; position: absolute; top: 1px; left: 0; display: grid; place-items: center; width: 19px; height: 19px; border-radius: 50%; background: #E7EEF8; color: var(--navy); font-size: 11px; font-weight: 900; }

.trophy-section { overflow: hidden; background: var(--navy); color: white; }
.trophy-layout { display: grid; grid-template-columns: 1fr .9fr; gap: 100px; align-items: center; }
.trophy-copy h2 { font-size: clamp(40px, 4.5vw, 55px); }
.trophy-motto { color: #C4D7F3 !important; font-size: 17px; font-weight: 750; line-height: 1.8; }
.trophy-copy > p:not(.trophy-motto) { max-width: 540px; margin: 23px 0 29px; color: #C4CDDA; font-size: 14px; }
.trophy-categories { border-top: 1px solid rgba(255,255,255,.18); }
.trophy-category { display: flex; align-items: center; gap: 18px; padding: 19px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.trophy-number { color: #8FA9CE; font-size: 11px; font-weight: 800; }
.trophy-category > span:nth-child(2) { display: flex; flex: 1; flex-direction: column; line-height: 1.6; }
.trophy-category strong { font-size: 15px; }
.trophy-category small { color: #B8C5D7; font-size: 12px; }
.category-arrow { color: #9CBCE9; font-size: 20px; }

.join-panel { display: flex; align-items: center; justify-content: space-between; gap: 45px; padding: 55px 58px; border-radius: 22px; background: var(--navy-light); color: white; }
.join-content { max-width: 650px; }
.join-content h2 { margin-bottom: 15px; }
.join-content p { margin-bottom: 0; color: #C4CDDA; font-size: 14px; }
.join-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 13px; flex-shrink: 0; }
.join-actions small { max-width: 250px; color: #C4CDDA; font-size: 10px; }

.site-footer { background: #0B1426; color: white; }
.footer-main { display: grid; grid-template-columns: 1.5fr .7fr .7fr; gap: 70px; padding-top: 58px; padding-bottom: 52px; }
.brand-footer .brand-mark { background: #293C5B; }
.brand-footer .brand-copy small { color: #AAB7CA; }
.footer-brand > p { max-width: 300px; margin-top: 20px; color: #AAB7CA; font-size: 12px; }
.footer-column { display: flex; flex-direction: column; align-items: flex-start; gap: 11px; }
.footer-column h3 { margin: 0 0 8px; font-size: 13px; }
.footer-column a, .footer-column > span { color: #AAB7CA; font-size: 12px; }
.footer-column a:hover { color: white; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); }
.footer-bottom-inner { display: flex; justify-content: space-between; gap: 20px; padding-top: 18px; padding-bottom: 18px; color: #9DAAC0; font-size: 10px; }

:focus-visible { outline: 3px solid #8DB8FA; outline-offset: 4px; }
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

@media (max-width: 1100px) {
    .main-navigation { gap: 13px; }
    .nav-link { font-size: 11px; }
    .nav-cta { padding: 11px 12px; font-size: 11px; }
    .hero-grid { gap: 20px; }
    .actor-card { min-width: 145px; }
    .split-layout, .product-layout { gap: 55px; }
    .trophy-layout { gap: 60px; }
}
@media (max-width: 900px) {
    .header-inner { min-height: 74px; }
    .menu-toggle { display: block; }
    .main-navigation { position: absolute; top: 100%; right: 0; left: 0; display: none; align-items: stretch; gap: 0; padding: 12px 24px 22px; border-bottom: 1px solid #E5E9F0; background: white; box-shadow: 0 18px 24px rgba(16,29,53,.08); }
    .main-navigation.is-open { display: flex; flex-direction: column; }
    .nav-link { padding: 12px 2px; border-bottom: 1px solid #EEF0F4; font-size: 13px; }
    .nav-cta { justify-content: center; margin-top: 14px; padding: 13px; font-size: 12px; }
    .hero-grid { grid-template-columns: 1fr; gap: 10px; padding-top: 65px; }
    .hero-content { max-width: 700px; }
    .hero-visual { min-height: 410px; max-width: 520px; width: 100%; margin: 0 auto; }
    .trust-grid { grid-template-columns: repeat(2, 1fr); row-gap: 25px; }
    .trust-item:nth-child(2) { border-right: 0; }
    .trust-item:nth-child(3) { padding-left: 0; }
    .actor-grid { grid-template-columns: repeat(2, 1fr); }
    .split-layout, .product-layout, .trophy-layout { grid-template-columns: 1fr; gap: 38px; }
    .split-layout { gap: 24px; }
    .product-visual { max-width: 620px; }
    .trophy-layout { gap: 45px; }
    .join-panel { align-items: flex-start; flex-direction: column; padding: 42px; }
    .join-actions { align-items: flex-start; }
}
@media (max-width: 560px) {
    .container { width: min(var(--container), calc(100% - 36px)); }
    .brand-mark { width: 41px; height: 41px; }
    .brand-copy strong { font-size: 16px; }
    .brand-copy small { font-size: 10px; }
    .hero-grid { padding-top: 49px; padding-bottom: 38px; }
    .hero h1 { margin-top: 22px; font-size: clamp(39px, 11vw, 52px); letter-spacing: -2px; }
    .hero-description { font-size: 15px; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .hero-actions .button { width: 100%; }
    .hero-visual { min-height: 345px; transform: scale(.91); transform-origin: top center; margin-bottom: -20px; }
    .orbit-one { width: 300px; height: 300px; }
    .orbit-two { width: 225px; height: 225px; }
    .visual-core { width: 150px; height: 150px; }
    .visual-core strong { font-size: 22px; }
    .actor-card { min-width: 137px; padding: 9px; gap: 7px; }
    .actor-icon { width: 30px; height: 30px; }
    .actor-card strong { font-size: 11px; }
    .actor-card small { font-size: 9px; }
    .actor-student { left: -3%; top: 20px; }
    .actor-parent { right: -4%; top: 54px; }
    .actor-teacher { left: -5%; bottom: 53px; }
    .actor-school { right: -4%; bottom: 16px; }
    .visual-caption { bottom: -5px; font-size: 10px; }
    .trust-grid { row-gap: 22px; }
    .trust-item { grid-template-columns: 25px 1fr; gap: 4px; padding: 0 10px; }
    .trust-item strong { font-size: 12px; }
    .trust-item small { font-size: 10px; }
    .section { padding: 70px 0; }
    .section-heading h2, .section-intro h2, .product-copy h2, .trophy-copy h2, .join-content h2 { font-size: 34px; letter-spacing: -1.2px; }
    .section-copy .lead, .lead { font-size: 16px; }
    .section-intro { margin-bottom: 30px; }
    .actor-grid { grid-template-columns: 1fr; gap: 13px; }
    .feature-card { padding: 23px; }
    .feature-icon { margin-bottom: 15px; }
    .product-visual { padding: 15px; }
    .window-content { padding: 20px 14px; }
    .window-greeting { font-size: 16px; }
    .visual-tag { right: -3px; bottom: -12px; font-size: 9px; }
    .trophy-motto { font-size: 15px; }
    .join-panel { gap: 28px; padding: 30px 23px; }
    .join-content h2 { font-size: 31px; }
    .join-actions, .join-actions .button { width: 100%; }
    .footer-main { grid-template-columns: 1fr 1fr; gap: 35px 20px; padding-top: 42px; padding-bottom: 35px; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-bottom-inner { align-items: flex-start; flex-direction: column; gap: 6px; }
}
