:root {
  --navy: #071b3b;
  --navy-2: #0d2b50;
  --navy-3: #173e65;
  --cyan: #18cfe1;
  --cyan-strong: #05afc5;
  --cyan-pale: #e8fbfd;
  --orange: #f36b08;
  --orange-pale: #fff2e8;
  --ink: #10233f;
  --muted: #4a5a72;
  --muted-2: #5b6b84;
  --line: #e5ebf2;
  --surface: #ffffff;
  --page: #f6f9fc;
  --green: #158765;
  --green-pale: #e7f8f1;
  --shadow-sm: 0 8px 24px rgba(7, 27, 59, .06);
  --shadow-md: 0 18px 46px rgba(7, 27, 59, .10);
  --shadow-lg: 0 28px 70px rgba(7, 27, 59, .14);
  --radius-sm: 12px;
  --radius-md: 19px;
  --radius-lg: 28px;
  --radius-xl: 38px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--page); }
body { margin: 0; color: var(--ink); background: var(--page); font-family: var(--font); -webkit-font-smoothing: antialiased; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
img { max-width: 100%; display: block; }
::selection { background: rgba(24, 207, 225, .25); color: var(--navy); }
.skip-link { position: fixed; z-index: 1000; top: 8px; left: 8px; padding: 12px 16px; color: white; background: var(--navy); border-radius: 10px; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.announcement-bar { min-height: 34px; display: flex; align-items: center; justify-content: center; gap: 10px; padding: 6px 18px; color: #fff; background: var(--navy); font-size: 14px; letter-spacing: .025em; }
.announcement-bar a { margin-left: 5px; color: #82f3fa; font-weight: 700; }
.announcement-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 4px rgba(243,107,8,.18); }
.site-header { z-index: 30; position: sticky; top: 0; min-height: 79px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 10px max(26px, calc((100vw - 1240px) / 2)); background: rgba(255,255,255,.94); border-bottom: 1px solid rgba(229,235,242,.88); backdrop-filter: blur(16px); }
.brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; min-width: 235px; }
.brand-mark { width: 47px; height: 47px; border-radius: 50%; object-fit: cover; background: white; box-shadow: 0 2px 10px rgba(7,27,59,.09); }
.brand-copy { display: flex; flex-direction: column; gap: 2px; line-height: 1.1; }
.brand-copy strong { color: var(--navy); font-size: 16px; letter-spacing: .04em; font-weight: 900; }
.brand-copy strong span { color: var(--orange); }
.brand-copy small { color: var(--muted); font-size: 14px; letter-spacing: .025em; }
.main-nav { display: flex; align-items: center; justify-content: center; gap: clamp(14px, 2vw, 28px); }
.main-nav a { position: relative; padding: 9px 0; color: #53647c; font-size: 16px; font-weight: 700; white-space: nowrap; transition: color .2s ease; }
.main-nav a:hover, .main-nav a.active { color: var(--navy); }
.main-nav a.active::after { position: absolute; bottom: 1px; left: 0; width: 100%; height: 2px; content: ""; background: var(--orange); border-radius: 3px; }
.header-actions { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.install-button { display: inline-flex; align-items: center; gap: 6px; border: 0; background: transparent; padding: 9px 10px; color: var(--navy); font-size: 14px; font-weight: 750; cursor: pointer; }
.install-button:hover { color: var(--cyan-strong); }
.install-icon { display: inline-grid; place-items: center; width: 21px; height: 21px; border-radius: 7px; color: var(--cyan-strong); background: var(--cyan-pale); font-size: 16px; font-weight: 800; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 43px; padding: 0 17px; border: 1px solid transparent; border-radius: 11px; font-size: 16px; font-weight: 800; cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease; white-space: nowrap; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--orange); box-shadow: 0 8px 18px rgba(243,107,8,.19); }
.button-primary:hover { background: #e85d00; box-shadow: 0 12px 24px rgba(243,107,8,.24); }
.button-dark { color: #fff; background: var(--navy); box-shadow: 0 8px 18px rgba(7,27,59,.16); }
.button-dark:hover { background: #0d2a4e; }
.button-quiet { color: var(--navy); background: transparent; border-color: transparent; }
.button-quiet:hover { background: #f0f5f9; }
.button-outline { color: var(--navy); background: white; border-color: var(--line); }
.button-outline:hover { border-color: #b7c4d2; box-shadow: var(--shadow-sm); }
.button-cyan { color: var(--navy); background: var(--cyan); }
.button-cyan:hover { background: #38ddeb; }
.button-sm { min-height: 36px; padding: 0 13px; border-radius: 9px; font-size: 14px; }
.button-block { width: 100%; }
.button[disabled] { opacity: .5; cursor: not-allowed; transform: none; }
.mobile-menu-toggle { display: none; border: 0; background: none; padding: 8px; cursor: pointer; }
.mobile-menu-toggle span { display: block; width: 21px; height: 2px; margin: 4px 0; border-radius: 2px; background: var(--navy); }
#app-main { min-height: 65vh; outline: 0; }
.page { animation: page-in .32s ease; }
@keyframes page-in { from { opacity: .35; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }
.container { width: min(1160px, calc(100% - 44px)); margin-inline: auto; }
.container-narrow { width: min(930px, calc(100% - 44px)); margin-inline: auto; }
.section { padding: 86px 0; }
.section-tight { padding: 58px 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 26px; margin-bottom: 30px; }
.section-head.centered { display: block; max-width: 690px; margin: 0 auto 40px; text-align: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 15px; color: var(--cyan-strong); font-size: 14px; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }
.eyebrow::before { content: ""; display: inline-block; width: 21px; height: 2px; border-radius: 3px; background: var(--orange); }
.eyebrow.light { color: #9df6fa; }
.eyebrow.light::before { background: var(--orange); }
.display-title { margin: 0; color: var(--navy); font-size: clamp(36px, 5.1vw, 63px); line-height: 1.06; letter-spacing: -.052em; font-weight: 850; }
.display-title span { color: var(--cyan-strong); }
.section-title { margin: 0; color: var(--navy); font-size: clamp(27px, 3vw, 39px); line-height: 1.12; letter-spacing: -.035em; font-weight: 820; }
.section-title span { color: var(--cyan-strong); }
.section-copy { max-width: 610px; margin: 14px 0 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
.hero { position: relative; overflow: hidden; padding: 83px 0 65px; background: radial-gradient(circle at 86% 9%, rgba(24,207,225,.13), transparent 24%), linear-gradient(115deg,#fbfdff 4%, #f2fbfd 58%, #fffaf5 100%); }
.hero::before { position: absolute; right: -115px; bottom: -245px; width: 440px; height: 440px; content: ""; border: 1px solid rgba(24,207,225,.13); border-radius: 50%; box-shadow: 0 0 0 37px rgba(24,207,225,.035), 0 0 0 74px rgba(24,207,225,.026); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0,1.04fr) minmax(390px,.96fr); align-items: center; gap: 54px; }
.hero-copy { padding: 6px 0 22px; }
.hero-copy .display-title { max-width: 660px; }
.hero-copy .lead { max-width: 530px; margin: 21px 0 25px; color: #5c6c83; font-size: 15px; line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 11px; }
.hero-trust { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; margin-top: 30px; color: var(--muted); font-size: 14px; font-weight: 700; }
.hero-trust-item { display: inline-flex; align-items: center; gap: 6px; }
.check-dot { display: inline-grid; width: 16px; height: 16px; place-items: center; border-radius: 50%; color: #0c7558; background: #dff7ee; font-size: 14px; }
.hero-art { position: relative; display: grid; min-height: 430px; place-items: center; }
.hero-glow { position: absolute; width: 365px; height: 365px; border-radius: 50%; background: radial-gradient(circle, rgba(24,207,225,.24) 0%, rgba(24,207,225,.10) 40%, rgba(24,207,225,0) 71%); }
.hero-orbit { position: absolute; width: 353px; height: 353px; border: 1px solid rgba(24,207,225,.35); border-radius: 50%; transform: rotate(-20deg) scaleY(.72); }
.hero-orbit::before { position: absolute; top: 46px; right: 13px; width: 14px; height: 14px; content: ""; border: 3px solid #fff; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 5px rgba(243,107,8,.16); }
.hero-orbit-two { width: 405px; height: 405px; border-color: rgba(243,107,8,.27); transform: rotate(31deg) scaleY(.59); }
.hero-orbit-two::before { top: auto; right: auto; bottom: 52px; left: 51px; width: 10px; height: 10px; background: var(--cyan); box-shadow: 0 0 0 5px rgba(24,207,225,.15); }
.hero-logo-shell { position: relative; z-index: 2; display: grid; width: 240px; height: 240px; place-items: center; padding: 6px; border: 1px solid rgba(255,255,255,.85); border-radius: 50%; background: rgba(255,255,255,.72); box-shadow: 0 25px 60px rgba(7,27,59,.14), 0 0 0 10px rgba(255,255,255,.47); }
.hero-logo-shell img { width: 100%; height: 100%; object-fit: contain; border-radius: 50%; }
.float-card { position: absolute; z-index: 3; display: flex; align-items: center; gap: 10px; padding: 12px 15px; border: 1px solid rgba(229,235,242,.9); border-radius: 15px; background: rgba(255,255,255,.94); box-shadow: var(--shadow-md); backdrop-filter: blur(8px); }
.float-card strong { display: block; color: var(--navy); font-size: 14px; }
.float-card small { display: block; margin-top: 3px; color: var(--muted); font-size: 14px; }
.float-card-one { top: 54px; left: 1px; }
.float-card-two { right: -3px; bottom: 72px; }
.float-icon { display: grid; width: 35px; height: 35px; place-items: center; border-radius: 11px; font-size: 17px; }
.float-icon.cyan { color: #008ca2; background: var(--cyan-pale); }
.float-icon.orange { color: var(--orange); background: var(--orange-pale); }
.hero-mini-strip { display: flex; align-items: center; gap: 11px; margin-top: 25px; }
.mini-avatar-stack { display: flex; padding-left: 3px; }
.mini-avatar { display: grid; width: 28px; height: 28px; margin-left: -4px; place-items: center; border: 2px solid white; border-radius: 50%; color: var(--navy); background: #dff8fb; font-size: 14px; font-weight: 900; }
.mini-avatar:nth-child(2) { background: #ffe1cc; }
.mini-avatar:nth-child(3) { background: #e9e1ff; }
.mini-avatar:nth-child(4) { background: #e0f4e9; }
.hero-mini-strip p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.5; }
.hero-mini-strip strong { color: var(--navy); }
.promise-band { background: var(--navy); color: white; }
.promise-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.promise-item { display: flex; align-items: center; gap: 14px; padding: 21px 22px; border-right: 1px solid rgba(255,255,255,.12); }
.promise-item:last-child { border-right: 0; }
.promise-icon { display: grid; width: 39px; height: 39px; flex: 0 0 39px; place-items: center; border-radius: 13px; color: var(--cyan); background: rgba(24,207,225,.12); font-size: 18px; }
.promise-item strong { display: block; color: white; font-size: 16px; }
.promise-item small { display: block; margin-top: 4px; color: #b7c8db; font-size: 14px; line-height: 1.45; }
.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 17px; }
.feature-card { position: relative; overflow: hidden; min-height: 218px; padding: 25px; border: 1px solid var(--line); border-radius: var(--radius-md); background: white; box-shadow: 0 4px 15px rgba(7,27,59,.025); transition: transform .2s ease, box-shadow .2s ease; }
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.feature-card::after { position: absolute; right: -44px; bottom: -53px; width: 125px; height: 125px; content: ""; border: 1px solid #e8f3f7; border-radius: 50%; box-shadow: 0 0 0 15px #f9fcfd, 0 0 0 29px #fbfdfe; }
.feature-icon { display: grid; width: 46px; height: 46px; margin-bottom: 20px; place-items: center; border-radius: 15px; font-size: 21px; }
.feature-icon.cyan { background: var(--cyan-pale); }
.feature-icon.orange { background: var(--orange-pale); }
.feature-icon.navy { background: #edf2f8; }
.feature-card h3 { margin: 0 0 9px; color: var(--navy); font-size: 16px; letter-spacing: -.02em; }
.feature-card p { max-width: 310px; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.7; }
.feature-link { position: relative; z-index: 1; display: inline-flex; align-items: center; gap: 7px; margin-top: 17px; color: var(--navy); font-size: 14px; font-weight: 850; }
.feature-link span { color: var(--orange); transition: transform .2s; }
.feature-link:hover span { transform: translateX(3px); }
.course-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.course-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: white; box-shadow: 0 4px 18px rgba(7,27,59,.03); transition: transform .2s ease, box-shadow .2s ease; }
.course-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.course-art { position: relative; display: flex; min-height: 155px; align-items: end; justify-content: space-between; overflow: hidden; padding: 18px; }
.course-art::before, .course-art::after { position: absolute; content: ""; border-radius: 50%; }
.course-art::before { top: -64px; right: -23px; width: 185px; height: 185px; border: 1px solid rgba(255,255,255,.54); box-shadow: 0 0 0 20px rgba(255,255,255,.1), 0 0 0 40px rgba(255,255,255,.09); }
.course-art::after { right: 42px; bottom: -84px; width: 143px; height: 143px; background: rgba(255,255,255,.16); }
.course-art.cyan-art { color: var(--navy); background: linear-gradient(135deg,#aaf4fa,#37d7e5); }
.course-art.orange-art { color: white; background: linear-gradient(135deg,#ffaf72,#f36b08); }
.course-art.navy-art { color: white; background: linear-gradient(135deg,#28608d,#071b3b); }
.course-art.green-art { color: var(--navy); background: linear-gradient(135deg,#c8f4df,#7ed9b3); }
.course-art.purple-art { color: white; background: linear-gradient(135deg,#a89af2,#5957ae); }
.course-art.lime-art { color: var(--navy); background: linear-gradient(135deg,#e6f3a6,#acda60); }
.course-art-label { position: relative; z-index: 1; display: flex; flex-direction: column; gap: 4px; }
.course-art-label small { font-size: 14px; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; opacity: .75; }
.course-art-label strong { font-size: 18px; line-height: 1.1; letter-spacing: -.03em; }
.course-art-symbol { position: relative; z-index: 1; display: grid; width: 54px; height: 54px; place-items: center; border: 1px solid rgba(255,255,255,.54); border-radius: 17px; background: rgba(255,255,255,.26); font-size: 26px; }
.course-card-body { padding: 18px 19px 20px; }
.course-meta { display: flex; align-items: center; justify-content: space-between; gap: 9px; color: var(--muted); font-size: 14px; }
.course-meta span { display: inline-flex; align-items: center; gap: 5px; }
.pill { display: inline-flex; align-items: center; gap: 5px; width: fit-content; padding: 5px 8px; border: 1px solid #d7f2f4; border-radius: 999px; color: #047a87; background: #f1fcfd; font-size: 14px; line-height: 1; font-weight: 850; }
.pill.orange-pill { color: #b64b00; border-color: #ffdfc9; background: #fff6f0; }
.pill.gray-pill { color: #60718a; border-color: var(--line); background: #f8fafc; }
.course-card h3 { margin: 15px 0 8px; color: var(--navy); font-size: 16px; letter-spacing: -.02em; }
.course-card p { min-height: 40px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.course-card-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 17px; padding-top: 14px; border-top: 1px solid #edf1f5; }
.course-detail-modal { width: min(670px,100%); }
.course-modal-hero { display: flex; min-height: 110px; align-items: end; justify-content: space-between; gap: 12px; padding: 16px; border-radius: 14px; color: var(--navy); }
.course-modal-hero strong { font-size: 14px; font-weight: 900; letter-spacing: .14em; }
.course-modal-hero .course-art-symbol { position: static; width: 46px; height: 46px; }
.course-outline-wrap { margin-top: 15px; padding: 14px; border: 1px solid var(--line); border-radius: 13px; background: #fbfdff; }
.course-outline-list { display: flex; flex-direction: column; gap: 4px; margin: 0; padding: 0; list-style: none; }
.course-outline-list li { display: flex; align-items: center; gap: 10px; padding: 8px 3px; border-bottom: 1px solid #edf1f5; color: var(--ink); font-size: 14px; }
.course-outline-list li:last-child { border-bottom: 0; }
.outline-number { display: grid; width: 25px; height: 25px; flex: 0 0 25px; place-items: center; border-radius: 8px; color: var(--cyan-strong); background: var(--cyan-pale); font-size: 14px; font-weight: 900; }
.outline-time { margin-left: auto; color: var(--muted-2); font-size: 14px; }
.payment-choice { display: flex; flex-direction: column; gap: 9px; margin-top: 17px; }
.payment-option { display: flex; align-items: center; gap: 11px; width: 100%; padding: 13px; border: 1px solid var(--line); border-radius: 11px; background: white; text-align: left; cursor: pointer; }
.payment-option:hover { border-color: #b7dfe4; background: #f7fdfe; }
.payment-option-icon { display: grid; width: 36px; height: 36px; flex: 0 0 36px; place-items: center; border-radius: 10px; color: var(--cyan-strong); background: var(--cyan-pale); font-size: 16px; }
.payment-option-icon.orange-payment { color: var(--orange); background: var(--orange-pale); }
.payment-option > span:nth-child(2) { flex: 1; }
.payment-option strong { display: block; color: var(--navy); font-size: 14px; }
.payment-option small { display: block; margin-top: 4px; color: var(--muted); font-size: 14px; }
.course-price { color: var(--navy); font-size: 16px; font-weight: 900; }
.course-price small { display: block; margin-top: 3px; color: var(--muted); font-size: 14px; font-weight: 550; }
.inline-link { display: inline-flex; align-items: center; gap: 7px; color: var(--navy); font-size: 14px; font-weight: 850; cursor: pointer; }
.inline-link span { color: var(--orange); }
.sample-note { display: inline-flex; align-items: center; gap: 6px; padding: 6px 9px; border: 1px solid #d8eef0; border-radius: 999px; color: #47717a; background: rgba(255,255,255,.72); font-size: 14px; font-weight: 750; }
.sample-note::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan-strong); }
.course-section-bg { background: #eff6fa; }
.banner-card { position: relative; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 30px; overflow: hidden; padding: 38px 43px; border-radius: var(--radius-lg); color: white; background: var(--navy); }
.banner-card::before { position: absolute; top: -125px; right: 165px; width: 310px; height: 310px; content: ""; border: 1px solid rgba(24,207,225,.22); border-radius: 50%; box-shadow: 0 0 0 31px rgba(24,207,225,.06), 0 0 0 65px rgba(24,207,225,.035); }
.banner-copy { position: relative; z-index: 1; max-width: 650px; }
.banner-copy h2 { margin: 0; color: white; font-size: clamp(24px,3vw,36px); line-height: 1.14; letter-spacing: -.035em; }
.banner-copy p { margin: 13px 0 0; color: #c4d3e4; font-size: 16px; line-height: 1.7; }
.banner-actions { position: relative; z-index: 1; display: flex; align-items: center; gap: 11px; }
.steps-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; counter-reset: steps; }
.step-card { position: relative; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius-md); background: white; }
.step-number { display: grid; width: 36px; height: 36px; margin-bottom: 18px; place-items: center; border-radius: 12px; color: var(--navy); background: var(--cyan-pale); font-size: 17px; font-weight: 900; }
.step-card:nth-child(2) .step-number { background: var(--orange-pale); color: var(--orange); }
.step-card:nth-child(3) .step-number { background: #edf2f8; }
.step-card h3 { margin: 0 0 8px; color: var(--navy); font-size: 15px; }
.step-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.faq-layout { display: grid; grid-template-columns: .7fr 1.3fr; align-items: start; gap: 38px; }
.faq-list { display: flex; flex-direction: column; gap: 8px; }
.faq-item { padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; background: white; }
.faq-item summary { position: relative; padding-right: 25px; color: var(--navy); font-size: 14px; font-weight: 850; cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { position: absolute; top: -1px; right: 0; content: "+"; color: var(--orange); font-size: 16px; line-height: 1; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { margin: 10px 0 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.cta-strip { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 25px 30px; border: 1px solid #dff0f3; border-radius: var(--radius-md); background: linear-gradient(100deg,#eafcff,#fff6ef); }
.cta-strip h3 { margin: 0; color: var(--navy); font-size: 19px; letter-spacing: -.025em; }
.cta-strip p { margin: 7px 0 0; color: var(--muted); font-size: 14px; }
.page-hero { padding: 61px 0 45px; background: radial-gradient(circle at 88% 5%, rgba(24,207,225,.13), transparent 27%), linear-gradient(115deg,#f9fcfe,#f0fbfc); border-bottom: 1px solid #eaf0f5; }
.page-hero-grid { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.page-hero-copy { max-width: 710px; }
.page-hero-copy .display-title { font-size: clamp(33px,4.4vw,52px); }
.page-hero-copy .section-copy { max-width: 650px; }
.page-hero-badge { flex: 0 0 auto; display: grid; width: 134px; height: 134px; place-items: center; border: 1px solid white; border-radius: 32px; background: white; box-shadow: var(--shadow-md); transform: rotate(4deg); }
.page-hero-badge img { width: 100%; height: 100%; object-fit: contain; border-radius: 28px; }
.catalog-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin: 0 0 15px; }
.search-control { display: flex; align-items: center; gap: 9px; width: min(470px,100%); min-height: 42px; padding: 0 12px; border: 1px solid var(--line); border-radius: 11px; color: var(--muted); background: white; }
.search-control span { color: var(--cyan-strong); font-size: 20px; }
.search-control input { width: 100%; min-width: 0; border: 0; outline: 0; color: var(--ink); background: transparent; font-size: 14px; }
.catalog-count { color: var(--muted); font-size: 14px; white-space: nowrap; }
.catalog-count strong { color: var(--navy); }
.empty-state { min-height: 190px; place-items: center; align-content: center; padding: 24px; border: 1px dashed #ccd8e3; border-radius: 15px; color: var(--muted); background: #fbfdff; text-align: center; }
.empty-state > span { display: grid; width: 38px; height: 38px; margin-bottom: 9px; place-items: center; border-radius: 12px; color: var(--cyan-strong); background: var(--cyan-pale); font-size: 20px; }
.empty-state strong { color: var(--navy); font-size: 16px; }
.empty-state p { margin: 6px 0 0; font-size: 14px; }
.filter-row { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin: 0 0 22px; }
.filter-chip { min-height: 34px; padding: 0 13px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: white; font-size: 14px; font-weight: 800; cursor: pointer; }
.filter-chip.active, .filter-chip:hover { color: white; border-color: var(--navy); background: var(--navy); }
.catalog-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.cert-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 17px; }
.cert-card { position: relative; overflow: hidden; padding: 23px; border: 1px solid var(--line); border-radius: var(--radius-md); background: white; box-shadow: 0 3px 14px rgba(7,27,59,.025); }
.cert-card::before { position: absolute; top: -58px; right: -54px; width: 142px; height: 142px; content: ""; border: 1px solid #e5f3f4; border-radius: 50%; box-shadow: 0 0 0 18px #f8fcfd, 0 0 0 36px #fbfdfe; }
.cert-card-top { position: relative; z-index: 1; display: flex; align-items: start; justify-content: space-between; gap: 14px; }
.cert-icon { display: grid; width: 45px; height: 45px; place-items: center; border-radius: 14px; color: var(--navy); background: var(--cyan-pale); font-size: 21px; }
.cert-card:nth-child(2) .cert-icon { color: var(--orange); background: var(--orange-pale); }
.cert-card:nth-child(3) .cert-icon { background: #edf1f8; }
.cert-card h3 { position: relative; z-index: 1; margin: 19px 0 8px; color: var(--navy); font-size: 16px; }
.cert-card p { position: relative; z-index: 1; min-height: 54px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.cert-meta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin: 16px 0 19px; color: var(--muted); font-size: 14px; }
.cert-card .button { position: relative; z-index: 1; }
.cert-process { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; margin-top: 35px; }
.cert-process-step { padding: 17px; border: 1px solid var(--line); border-radius: 14px; background: white; }
.cert-process-step b { display: block; color: var(--cyan-strong); font-size: 14px; letter-spacing: .11em; text-transform: uppercase; }
.cert-process-step strong { display: block; margin: 9px 0 5px; color: var(--navy); font-size: 16px; }
.cert-process-step span { color: var(--muted); font-size: 14px; line-height: 1.5; }
.kids-hero { position: relative; overflow: hidden; padding: 70px 0; background: linear-gradient(115deg,#f3fcfd 0%,#f7faff 54%,#fff4eb 100%); }
.kids-hero-grid { display: grid; grid-template-columns: 1fr .9fr; align-items: center; gap: 50px; }
.kids-art { position: relative; display: grid; min-height: 350px; place-items: center; }
.kids-art-core { position: relative; z-index: 1; display: flex; width: 235px; height: 235px; align-items: center; justify-content: center; flex-direction: column; gap: 8px; border: 1px solid #fff; border-radius: 54px; color: var(--navy); background: linear-gradient(150deg,#fff,#e9fcff); box-shadow: 0 22px 58px rgba(7,27,59,.12); transform: rotate(-3deg); }
.kids-art-core strong { font-size: 15px; letter-spacing: -.02em; }
.kids-art-core span { color: var(--muted); font-size: 14px; }
.kids-orbit { position: absolute; width: 325px; height: 325px; border: 1px dashed rgba(24,207,225,.5); border-radius: 50%; }
.kids-orbit::before, .kids-orbit::after { position: absolute; width: 32px; height: 32px; content: ""; border: 5px solid white; border-radius: 12px; background: var(--orange); box-shadow: var(--shadow-sm); }
.kids-orbit::before { top: 33px; left: 54px; transform: rotate(-12deg); }
.kids-orbit::after { right: 22px; bottom: 63px; background: var(--cyan); transform: rotate(13deg); }
.lab-shell { overflow: hidden; border: 1px solid #dce6ef; border-radius: 20px; background: #fff; box-shadow: var(--shadow-md); }
.lab-topbar { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 14px 17px; border-bottom: 1px solid var(--line); background: #fbfdfe; }
.lab-topbar-left { display: flex; align-items: center; gap: 10px; }
.window-dots { display: flex; gap: 4px; }
.window-dots i { width: 7px; height: 7px; border-radius: 50%; background: #ff856d; }
.window-dots i:nth-child(2) { background: #ffcb58; }
.window-dots i:nth-child(3) { background: #58d6a6; }
.lab-topbar strong { color: var(--navy); font-size: 14px; }
.lab-board-select { max-width: 170px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px; color: var(--navy); background: white; font-size: 14px; font-weight: 700; }
.lab-workspace { display: grid; grid-template-columns: 175px minmax(0,1fr); min-height: 290px; }
.lab-toolbox { padding: 16px; border-right: 1px solid var(--line); background: #fbfdff; }
.lab-toolbox h4 { margin: 0 0 12px; color: var(--muted); font-size: 14px; letter-spacing: .1em; text-transform: uppercase; }
.block-chip { display: block; width: 100%; margin-bottom: 8px; padding: 9px 10px; border: 0; border-radius: 8px 12px 12px 8px; color: white; background: #3d74cd; text-align: left; font-size: 14px; font-weight: 800; cursor: pointer; }
.block-chip:nth-of-type(2) { background: #f1a823; }
.block-chip:nth-of-type(3) { background: #7b65d4; }
.block-chip:nth-of-type(4) { background: #15aa9a; }
.lab-stage { position: relative; min-width: 0; padding: 14px; background-color: #fff; background-image: radial-gradient(#e9eef2 1px, transparent 1px); background-size: 16px 16px; }
.lab-stage-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.lab-stage-heading span { color: var(--muted); font-size: 14px; font-weight: 750; }
.lab-block-stack { display: flex; flex-direction: column; align-items: start; gap: 5px; }
.puzzle-block { position: relative; min-width: 183px; padding: 9px 13px 10px 21px; border-radius: 8px 13px 13px 8px; color: white; background: #4079d4; font-size: 14px; font-weight: 750; box-shadow: inset 0 -3px 0 rgba(0,0,0,.11); }
.puzzle-block::before { position: absolute; top: -4px; left: 15px; width: 19px; height: 7px; content: ""; border-radius: 4px 4px 0 0; background: inherit; }
.puzzle-block.orange-block { margin-left: 13px; background: #f5a71d; }
.puzzle-block.purple-block { margin-left: 13px; background: #7861d1; }
.puzzle-block.green-block { margin-left: 26px; background: #18a895; }
.lab-footer { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 15px; border-top: 1px solid var(--line); background: #fbfdfe; }
.lab-status { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 14px; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: #f0a327; }
.pulse-dot { animation: pulse 1.4s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 5px rgba(24,207,225,.17); } }
.editor-preview { display: grid; grid-template-columns: minmax(0,1fr) 220px; gap: 14px; margin-top: 18px; }
.editor-pane { min-height: 310px; overflow: hidden; border: 1px solid #dce5ef; border-radius: 16px; background: #0b1830; box-shadow: var(--shadow-sm); }
.editor-pane-header { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 11px 14px; border-bottom: 1px solid rgba(255,255,255,.09); color: #b9c7da; font-size: 14px; }
.editor-pane pre { min-height: 208px; margin: 0; padding: 18px; overflow: auto; color: #d9e7f8; font: 11px/1.85 ui-monospace, SFMono-Regular, Menlo, monospace; }
.code-keyword { color: #63d7e6; }
.code-func { color: #ffbb7b; }
.code-comment { color: #8ca4bd; }
.editor-output { display: flex; align-items: center; gap: 9px; padding: 11px 14px; border-top: 1px solid rgba(255,255,255,.09); color: #91a6bd; font-size: 14px; }
.code-editor { display: block; width: 100%; min-height: 248px; resize: vertical; border: 0; outline: 0; padding: 18px; color: #d9e7f8; background: #0b1830; font: 11px/1.85 ui-monospace, SFMono-Regular, Menlo, monospace; tab-size: 2; }
.code-editor:focus { box-shadow: inset 0 0 0 1px rgba(24,207,225,.45); }
.led-indicator { width: 11px; height: 11px; border-radius: 50%; background: #38516a; box-shadow: inset 0 0 0 2px rgba(255,255,255,.08); }
.led-indicator.on { background: #39e38c; box-shadow: 0 0 12px rgba(57,227,140,.75); }
.editor-side-card { padding: 17px; border: 1px solid var(--line); border-radius: 16px; background: white; }
.editor-side-card h3 { margin: 0 0 7px; color: var(--navy); font-size: 17px; }
.editor-side-card p { margin: 0 0 14px; color: var(--muted); font-size: 14px; line-height: 1.6; }
.board-status { display: flex; align-items: center; gap: 8px; padding: 10px; border-radius: 10px; color: #806024; background: #fff8e9; font-size: 14px; line-height: 1.45; }
.editor-tabs { display: inline-flex; gap: 4px; padding: 3px; border: 1px solid var(--line); border-radius: 9px; background: white; }
.editor-tabs button { padding: 6px 10px; border: 0; border-radius: 6px; color: var(--muted); background: transparent; font-size: 14px; font-weight: 800; cursor: pointer; }
.editor-tabs button.active { color: var(--navy); background: var(--cyan-pale); }
.simulator-panel { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: white; }
.sim-led { display: flex; align-items: center; gap: 10px; color: var(--navy); font-size: 14px; font-weight: 800; }
.sim-led .led-indicator { width: 15px; height: 15px; }
.sim-note { color: var(--muted); font-size: 14px; }
.project-showcase { margin-top: 33px; padding-top: 26px; border-top: 1px solid var(--line); }
.project-card-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 13px; }
.project-card { padding: 17px; border: 1px solid var(--line); border-radius: 14px; background: white; box-shadow: 0 4px 15px rgba(7,27,59,.035); transition: transform .18s,box-shadow .18s; }
.project-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.project-card-icon { display: grid; width: 40px; height: 40px; margin-bottom: 13px; place-items: center; border-radius: 12px; font-size: 18px; }
.cyan-project { background: var(--cyan-pale); }
.orange-project { background: var(--orange-pale); }
.navy-project { background: #edf2f8; }
.project-card h3 { margin: 12px 0 6px; color: var(--navy); font-size: 17px; }
.project-card p { min-height: 42px; margin: 0 0 11px; color: var(--muted); font-size: 14px; line-height: 1.65; }
.about-grid { display: grid; grid-template-columns: .85fr 1.15fr; align-items: start; gap: 56px; }
.about-logo-card { display: grid; min-height: 315px; place-items: center; padding: 25px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: linear-gradient(145deg,#eefcff,#fff8f3); }
.about-logo-card img { width: min(270px,80%); border-radius: 50%; box-shadow: 0 20px 45px rgba(7,27,59,.11); }
.about-copy p { color: var(--muted); font-size: 17px; line-height: 1.8; }
.about-values { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; margin-top: 24px; }
.about-value { padding: 15px; border: 1px solid var(--line); border-radius: 14px; background: white; }
.about-value strong { display: block; color: var(--navy); font-size: 14px; }
.about-value span { display: block; margin-top: 5px; color: var(--muted); font-size: 14px; line-height: 1.5; }
.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 35px; align-items: start; }
.contact-card { padding: 25px; border-radius: var(--radius-md); color: white; background: var(--navy); }
.contact-card h3 { margin: 0 0 10px; color: white; font-size: 19px; }
.contact-card p { margin: 0 0 20px; color: #bdccdc; font-size: 14px; line-height: 1.7; }
.contact-item { display: flex; align-items: center; gap: 11px; margin-top: 14px; color: #ecf4fa; font-size: 14px; }
.contact-item span:first-child { display: grid; width: 31px; height: 31px; place-items: center; border-radius: 10px; color: var(--cyan); background: rgba(24,207,225,.13); }
.form-card { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius-md); background: white; box-shadow: var(--shadow-sm); }
.form-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 13px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 13px; }
.field.full { grid-column: 1/-1; }
.field label { color: var(--navy); font-size: 14px; font-weight: 850; }
.field input, .field textarea, .field select { width: 100%; min-height: 42px; padding: 10px 12px; border: 1px solid #dce4ec; border-radius: 10px; outline: none; color: var(--ink); background: #fbfdff; font-size: 14px; transition: border .15s, box-shadow .15s; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--cyan-strong); box-shadow: 0 0 0 3px rgba(24,207,225,.14); }
.field textarea { min-height: 95px; resize: vertical; }
.field-hint { color: var(--muted-2); font-size: 14px; line-height: 1.5; }
.checkbox-row { display: flex; align-items: flex-start; gap: 8px; margin: 12px 0 16px; color: var(--muted); font-size: 14px; line-height: 1.55; }
.checkbox-row input { margin-top: 1px; accent-color: var(--cyan-strong); }
.notification-preferences { margin: 10px 0 14px; padding: 13px 13px 4px; border: 1px solid var(--line); border-radius: 11px; background: #fbfdff; }
.notification-preferences > strong { display: block; margin-bottom: 9px; color: var(--navy); font-size: 14px; }
.notification-preferences .checkbox-row { margin: 9px 0; }
.notice { display: flex; gap: 11px; padding: 14px 15px; border: 1px solid #ccecf1; border-radius: 12px; color: #3d6570; background: #f0fbfc; font-size: 14px; line-height: 1.55; }
.notice strong { color: var(--navy); }
.notice.orange-notice { border-color: #ffdfca; color: #87532f; background: #fff7f1; }
.notice.dark-notice { border-color: rgba(255,255,255,.12); color: #bdccdc; background: rgba(255,255,255,.055); }
.notice-icon { flex: 0 0 auto; font-size: 14px; }
.site-footer { padding: 43px max(24px, calc((100vw - 1160px) / 2)) 18px; color: #d6e1ed; background: #06172f; }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding-bottom: 25px; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer-brand { display: block; width: 230px; padding: 6px; border-radius: 10px; background: white; }
.footer-brand img { width: 100%; }
.footer-note { color: #aebdd0; font-size: 14px; }
.footer-links-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-links a { color: #d6e1ed; font-size: 14px; }
.footer-links a:hover { color: var(--cyan); }
.footer-social-note { color: #8296ad; font-size: 14px; }
.footer-social-note strong { color: white; }
.footer-bottom { display: flex; justify-content: space-between; gap: 12px; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.1); color: #8296ad; font-size: 14px; }
/* Portal */
.portal-page { min-height: 70vh; padding: 34px 0 70px; background: #f5f8fb; }
.portal-shell { display: grid; grid-template-columns: 228px minmax(0,1fr); gap: 23px; }
.portal-sidebar { align-self: start; position: sticky; top: 104px; padding: 17px 13px; border: 1px solid var(--line); border-radius: 18px; background: white; box-shadow: var(--shadow-sm); }
.portal-user { display: flex; align-items: center; gap: 10px; padding: 5px 5px 16px; border-bottom: 1px solid var(--line); }
.user-avatar { display: grid; width: 39px; height: 39px; flex: 0 0 39px; place-items: center; border-radius: 13px; color: var(--navy); background: linear-gradient(145deg,#c6f7fb,#e5f6ff); font-size: 17px; font-weight: 900; }
.portal-user strong { display: block; color: var(--navy); font-size: 14px; }
.portal-user small { display: block; margin-top: 4px; color: var(--muted); font-size: 14px; }
.sidebar-label { margin: 17px 9px 7px; color: #99a6b6; font-size: 14px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.portal-nav { display: flex; flex-direction: column; gap: 3px; }
.portal-nav button { display: flex; align-items: center; gap: 10px; width: 100%; min-height: 39px; padding: 0 10px; border: 0; border-radius: 9px; color: #61718a; background: transparent; text-align: left; font-size: 14px; font-weight: 750; cursor: pointer; }
.portal-nav button:hover, .portal-nav button.active { color: var(--navy); background: #eaf8fa; }
.portal-nav button.active { box-shadow: inset 3px 0 0 var(--cyan-strong); }
.nav-icon { display: grid; width: 19px; height: 19px; place-items: center; font-size: 17px; }
.sidebar-bottom { margin-top: 16px; padding: 11px 10px; border-radius: 11px; color: #64748a; background: #f5f8fb; font-size: 14px; line-height: 1.5; }
.sidebar-bottom strong { display: block; margin-bottom: 4px; color: var(--navy); }
.portal-main { min-width: 0; }
.portal-heading-row { display: flex; align-items: start; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.portal-heading-row h1 { margin: 0; color: var(--navy); font-size: clamp(23px,3vw,31px); letter-spacing: -.035em; }
.portal-heading-row p { margin: 7px 0 0; color: var(--muted); font-size: 14px; }
.portal-heading-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 7px; }
.notification-button { position: relative; padding-right: 13px; }
.notification-button i { display: grid; width: 15px; height: 15px; position: absolute; top: -5px; right: -4px; place-items: center; border: 2px solid white; border-radius: 50%; color: white; background: var(--orange); font-size: 14px; font-style: normal; }
.notification-list { display: flex; flex-direction: column; gap: 8px; }
.notification-item { display: flex; align-items: center; gap: 10px; padding: 11px; border: 1px solid var(--line); border-radius: 11px; background: #fbfdff; }
.notification-icon { display: grid; width: 34px; height: 34px; flex: 0 0 34px; place-items: center; border-radius: 10px; font-size: 14px; }
.cyan-notification { background: var(--cyan-pale); }
.orange-notification { background: var(--orange-pale); }
.navy-notification { background: #edf2f8; }
.notification-item > span:nth-child(2) { flex: 1; }
.notification-item strong { display: block; color: var(--navy); font-size: 14px; }
.notification-item small { display: block; margin-top: 4px; color: var(--muted); font-size: 14px; line-height: 1.45; }
.notification-item > i { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan-strong); }
.metric-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; margin-bottom: 17px; }
.metric-card { padding: 16px; border: 1px solid var(--line); border-radius: 14px; background: white; }
.metric-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; color: var(--muted); font-size: 14px; }
.metric-icon { display: grid; width: 27px; height: 27px; place-items: center; border-radius: 9px; color: var(--cyan-strong); background: var(--cyan-pale); font-size: 17px; }
.metric-card strong { display: block; margin-top: 11px; color: var(--navy); font-size: 23px; letter-spacing: -.04em; }
.metric-card small { display: block; margin-top: 3px; color: var(--muted); font-size: 14px; }
.portal-content-grid { display: grid; grid-template-columns: minmax(0,1.32fr) minmax(240px,.68fr); gap: 15px; align-items: start; }
.panel { min-width: 0; padding: 19px; border: 1px solid var(--line); border-radius: 15px; background: white; box-shadow: 0 4px 13px rgba(7,27,59,.025); }
.panel + .panel { margin-top: 14px; }
.panel-header { display: flex; align-items: center; justify-content: space-between; gap: 13px; margin-bottom: 15px; }
.panel-header h2 { margin: 0; color: var(--navy); font-size: 17px; letter-spacing: -.015em; }
.panel-header p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
.continue-card { display: grid; grid-template-columns: 92px minmax(0,1fr) auto; align-items: center; gap: 15px; padding: 13px; border: 1px solid #dceff1; border-radius: 13px; background: linear-gradient(110deg,#f3fdfe,#fff9f5); }
.continue-thumb { display: grid; width: 92px; height: 81px; place-items: center; border-radius: 10px; color: white; background: linear-gradient(140deg,#0e5078,#061c3c); font-size: 26px; }
.continue-card h3 { margin: 0 0 5px; color: var(--navy); font-size: 16px; }
.continue-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.5; }
.progress-meta { display: flex; justify-content: space-between; margin-top: 10px; color: var(--muted); font-size: 14px; }
.progress-track { height: 6px; margin-top: 6px; overflow: hidden; border-radius: 999px; background: #e8eef3; }
.progress-fill { height: 100%; border-radius: inherit; background: linear-gradient(90deg,var(--cyan-strong),var(--cyan)); }
.learning-list { display: flex; flex-direction: column; gap: 8px; }
.learning-row { display: flex; align-items: center; gap: 11px; padding: 10px; border: 1px solid #edf1f5; border-radius: 11px; }
.learning-row .row-icon { display: grid; width: 38px; height: 38px; flex: 0 0 38px; place-items: center; border-radius: 10px; background: var(--orange-pale); font-size: 17px; }
.learning-row:nth-child(2) .row-icon { background: var(--cyan-pale); }
.learning-row .row-copy { flex: 1; min-width: 0; }
.learning-row strong { display: block; overflow: hidden; color: var(--navy); font-size: 14px; text-overflow: ellipsis; white-space: nowrap; }
.learning-row small { display: block; margin-top: 4px; color: var(--muted); font-size: 14px; }
.learning-row .row-state { color: var(--muted); font-size: 14px; white-space: nowrap; }
.next-session { padding: 15px; border-radius: 13px; color: white; background: linear-gradient(143deg,#123d67,#071b3b); }
.next-session .small-cap { color: #9bedf2; font-size: 14px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.next-session h3 { margin: 11px 0 6px; color: white; font-size: 17px; }
.next-session p { margin: 0; color: #c0d0e1; font-size: 14px; line-height: 1.6; }
.next-session .button { margin-top: 13px; }
.weekly-chart { display: grid; height: 78px; grid-template-columns: repeat(7,1fr); align-items: end; gap: 8px; padding: 4px 3px 0; }
.weekly-chart > div { display: flex; height: 100%; align-items: center; justify-content: end; flex-direction: column; gap: 5px; }
.weekly-chart i { width: min(100%,18px); min-height: 5px; border-radius: 5px 5px 3px 3px; background: linear-gradient(180deg,var(--cyan),#8cebf0); }
.weekly-chart > div:nth-child(4) i,.weekly-chart > div:nth-child(6) i { background: linear-gradient(180deg,#ffb981,var(--orange)); }
.weekly-chart span { color: var(--muted-2); font-size: 14px; }
.weekly-caption { margin-top: 8px; color: var(--muted); font-size: 14px; }
.credential-mini { display: flex; gap: 11px; align-items: center; padding: 13px; border: 1px solid #ffeadb; border-radius: 12px; background: #fff9f5; }
.credential-mini .seal { display: grid; width: 38px; height: 38px; flex: 0 0 38px; place-items: center; border: 2px solid #ffc998; border-radius: 50%; color: var(--orange); font-size: 15px; }
.credential-mini strong { display: block; color: var(--navy); font-size: 14px; }
.credential-mini small { display: block; margin-top: 4px; color: var(--muted); font-size: 14px; }
.portal-courses-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 13px; }
.portal-course-card { padding: 16px; border: 1px solid var(--line); border-radius: 14px; background: white; }
.portal-course-top { display: flex; align-items: start; justify-content: space-between; gap: 9px; }
.portal-course-icon { display: grid; width: 40px; height: 40px; place-items: center; border-radius: 11px; background: var(--cyan-pale); font-size: 17px; }
.portal-course-card h3 { margin: 13px 0 5px; color: var(--navy); font-size: 16px; }
.portal-course-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.5; }
.portal-course-card .button { margin-top: 14px; }
.course-player { display: grid; grid-template-columns: 235px minmax(0,1fr); overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: white; }
.lesson-sidebar { padding: 16px 12px; border-right: 1px solid var(--line); background: #fbfdff; }
.lesson-sidebar h3 { margin: 0 7px 10px; color: var(--navy); font-size: 14px; }
.lesson-item { display: flex; align-items: start; gap: 8px; width: 100%; padding: 10px 8px; border: 0; border-radius: 9px; color: var(--muted); background: transparent; text-align: left; font-size: 14px; cursor: pointer; }
.lesson-item.active, .lesson-item:hover { color: var(--navy); background: #eaf8fa; }
.lesson-check { display: grid; width: 16px; height: 16px; flex: 0 0 16px; place-items: center; border: 1px solid #d5e1ea; border-radius: 50%; font-size: 14px; }
.lesson-item.done .lesson-check { color: white; border-color: var(--green); background: var(--green); }
.lesson-content { min-width: 0; padding: 22px; }
.lesson-content h2 { margin: 0; color: var(--navy); font-size: 21px; letter-spacing: -.03em; }
.lesson-content .lesson-sub { margin: 7px 0 20px; color: var(--muted); font-size: 14px; }
.lesson-read-card { padding: 17px; border: 1px solid #e5eef3; border-radius: 12px; background: #fbfdff; }
.lesson-read-card h3 { margin: 0 0 8px; color: var(--navy); font-size: 16px; }
.lesson-read-card p { margin: 0 0 9px; color: #596a80; font-size: 14px; line-height: 1.75; }
.lesson-read-card p:last-child { margin-bottom: 0; }
.lesson-callout { margin-top: 12px; padding: 12px; border-left: 3px solid var(--cyan); border-radius: 0 9px 9px 0; color: #496779; background: #f0fbfc; font-size: 14px; line-height: 1.6; }
.lesson-actions { display: flex; justify-content: space-between; gap: 10px; margin-top: 17px; }
.quiz-question { margin: 14px 0; padding: 14px; border: 1px solid var(--line); border-radius: 11px; }
.quiz-question strong { display: block; margin-bottom: 10px; color: var(--navy); font-size: 14px; }
.quiz-option { display: flex; align-items: center; gap: 8px; margin: 7px 0; color: var(--muted); font-size: 14px; cursor: pointer; }
.quiz-option input { accent-color: var(--cyan-strong); }
.profile-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.profile-summary { display: flex; align-items: center; gap: 15px; margin-bottom: 20px; padding: 17px; border-radius: 13px; background: linear-gradient(110deg,#f2fcfd,#fff7f1); }
.profile-summary .user-avatar { width: 54px; height: 54px; flex-basis: 54px; font-size: 18px; }
.profile-summary h3 { margin: 0; color: var(--navy); font-size: 14px; }
.profile-summary p { margin: 5px 0 0; color: var(--muted); font-size: 14px; }
/* Admin and instructor */
.admin-page { padding: 38px 0 70px; }
.admin-banner { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 20px; padding: 24px; border-radius: 17px; color: white; background: linear-gradient(110deg,#082143,#153e68); }
.admin-banner h1 { margin: 0; color: white; font-size: 24px; letter-spacing: -.03em; }
.admin-banner p { margin: 7px 0 0; color: #c1cfdd; font-size: 14px; }
.admin-mark { display: grid; width: 58px; height: 58px; place-items: center; border: 1px solid rgba(255,255,255,.18); border-radius: 17px; color: var(--cyan); background: rgba(24,207,225,.11); font-size: 23px; }
.admin-tabs { display: flex; gap: 6px; overflow: auto; margin: 0 0 16px; padding-bottom: 2px; }
.admin-tabs button { padding: 9px 13px; border: 1px solid var(--line); border-radius: 9px; color: var(--muted); background: white; font-size: 14px; font-weight: 800; white-space: nowrap; cursor: pointer; }
.admin-tabs button.active { color: white; border-color: var(--navy); background: var(--navy); }
.upload-zone { position: relative; display: flex; min-height: 175px; align-items: center; justify-content: center; flex-direction: column; gap: 8px; padding: 20px; border: 1.5px dashed #a8cbd2; border-radius: 14px; background: #f4fcfd; text-align: center; cursor: pointer; transition: background .2s,border .2s; }
.upload-zone:hover, .upload-zone.dragover { border-color: var(--cyan-strong); background: #e9fafc; }
.upload-zone input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.upload-icon { display: grid; width: 42px; height: 42px; place-items: center; border-radius: 13px; color: var(--cyan-strong); background: white; box-shadow: 0 4px 12px rgba(7,27,59,.06); font-size: 19px; }
.upload-zone strong { color: var(--navy); font-size: 14px; }
.upload-zone span { color: var(--muted); font-size: 14px; }
.upload-selected { display: none; margin-top: 7px; padding: 8px 10px; border-radius: 8px; color: #186c56; background: var(--green-pale); font-size: 14px; }
.upload-selected.visible { display: inline-block; }
.admin-course-row { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid #eef2f6; }
.admin-course-row:last-child { border-bottom: 0; }
.admin-course-row .admin-mini-icon { display: grid; width: 37px; height: 37px; flex: 0 0 37px; place-items: center; border-radius: 10px; background: var(--cyan-pale); }
.admin-course-row .admin-course-copy { flex: 1; min-width: 0; }
.admin-course-row strong { display: block; overflow: hidden; color: var(--navy); font-size: 14px; text-overflow: ellipsis; white-space: nowrap; }
.admin-course-row small { display: block; margin-top: 4px; color: var(--muted); font-size: 14px; }
.simple-table { width: 100%; border-collapse: collapse; text-align: left; }
.simple-table th { padding: 10px 8px; border-bottom: 1px solid var(--line); color: var(--muted-2); font-size: 14px; font-weight: 850; letter-spacing: .06em; text-transform: uppercase; }
.simple-table td { padding: 12px 8px; border-bottom: 1px solid #eef2f6; color: #52647c; font-size: 14px; }
.simple-table tr:last-child td { border-bottom: 0; }
.table-person { display: flex; align-items: center; gap: 8px; color: var(--navy); font-weight: 800; }
.table-avatar { display: grid; width: 27px; height: 27px; place-items: center; border-radius: 8px; background: #e9f9fa; font-size: 14px; }
.approval-card { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px; border: 1px solid var(--line); border-radius: 11px; }
.approval-card + .approval-card { margin-top: 8px; }
.approval-person { display: flex; align-items: center; gap: 9px; }
.approval-person strong { display: block; color: var(--navy); font-size: 14px; }
.approval-person small { display: block; margin-top: 3px; color: var(--muted); font-size: 14px; }
.approval-actions { display: flex; gap: 5px; }
.approval-actions button { padding: 6px 8px; border: 1px solid var(--line); border-radius: 7px; color: var(--navy); background: white; font-size: 14px; font-weight: 800; cursor: pointer; }
.approval-actions button.approve { color: #147151; border-color: #ccecdf; background: #f1fbf6; }
/* Support */
.support-shell { display: grid; grid-template-columns: 235px minmax(0,1fr); min-height: 490px; overflow: hidden; border: 1px solid var(--line); border-radius: 15px; background: white; }
.support-list { padding: 15px 12px; border-right: 1px solid var(--line); background: #fcfdfe; }
.support-list h3 { margin: 3px 8px 12px; color: var(--navy); font-size: 16px; }
.support-contact { display: flex; align-items: center; gap: 9px; padding: 9px 8px; border-radius: 10px; cursor: pointer; }
.support-contact.active, .support-contact:hover { background: #eaf8fa; }
.support-contact strong { display: block; color: var(--navy); font-size: 14px; }
.support-contact small { display: block; margin-top: 4px; color: var(--muted); font-size: 14px; }
.support-chat { display: flex; min-width: 0; flex-direction: column; }
.chat-header { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 13px 16px; border-bottom: 1px solid var(--line); }
.chat-header-person { display: flex; align-items: center; gap: 9px; }
.chat-header-person strong { display: block; color: var(--navy); font-size: 14px; }
.chat-header-person small { display: block; margin-top: 3px; color: var(--muted); font-size: 14px; }
.chat-messages { display: flex; flex: 1; flex-direction: column; gap: 11px; padding: 16px; background: #fff; }
.chat-date { align-self: center; margin: 2px 0; color: var(--muted-2); font-size: 14px; }
.message-bubble { max-width: 75%; padding: 10px 12px; border-radius: 12px 12px 12px 3px; color: #53647b; background: #f1f5f8; font-size: 14px; line-height: 1.6; }
.message-bubble.mine { align-self: end; border-radius: 12px 12px 3px 12px; color: white; background: var(--navy); }
.chat-compose { display: flex; align-items: center; gap: 8px; padding: 11px; border-top: 1px solid var(--line); }
.chat-compose input { flex: 1; min-width: 0; height: 38px; padding: 0 12px; border: 1px solid var(--line); border-radius: 9px; outline: none; font-size: 14px; }
.chat-compose input:focus { border-color: var(--cyan-strong); }
/* Modal and toast */
.modal-root:empty { display: none; }
.modal-root { position: fixed; z-index: 99; inset: 0; display: grid; place-items: center; padding: 18px; background: rgba(4,16,35,.57); backdrop-filter: blur(5px); }
.modal-card { position: relative; width: min(470px,100%); max-height: min(88vh,740px); overflow: auto; padding: 25px; border-radius: 20px; background: white; box-shadow: 0 30px 90px rgba(3,13,29,.32); animation: modal-in .2s ease both; }
@keyframes modal-in { from { opacity: 0; transform: translateY(9px) scale(.99); } to { opacity: 1; transform: translateY(0) scale(1); } }
.modal-close { position: absolute; top: 13px; right: 13px; display: grid; width: 31px; height: 31px; place-items: center; border: 1px solid var(--line); border-radius: 9px; color: var(--muted); background: white; font-size: 16px; cursor: pointer; }
.modal-logo { display: flex; align-items: center; gap: 9px; margin-bottom: 17px; }
.modal-logo img { width: 38px; height: 38px; border-radius: 50%; }
.modal-logo strong { display: block; color: var(--navy); font-size: 14px; }
.modal-logo small { display: block; margin-top: 3px; color: var(--muted); font-size: 14px; }
.modal-card h2 { margin: 0 38px 7px 0; color: var(--navy); font-size: 22px; letter-spacing: -.03em; }
.modal-card > p { margin: 0 0 19px; color: var(--muted); font-size: 14px; line-height: 1.65; }
.modal-tabs { display: flex; gap: 4px; margin-bottom: 18px; padding: 4px; border-radius: 10px; background: #f1f5f8; }
.modal-tabs button { flex: 1; min-height: 32px; border: 0; border-radius: 7px; color: var(--muted); background: transparent; font-size: 14px; font-weight: 800; cursor: pointer; }
.modal-tabs button.active { color: var(--navy); background: white; box-shadow: 0 2px 6px rgba(7,27,59,.08); }
.modal-footer-note { margin-top: 13px; color: var(--muted); font-size: 14px; text-align: center; line-height: 1.5; }
.certificate-preview { position: relative; overflow: hidden; margin: 24px 10px 10px; padding: 25px 28px; border: 6px double #d7a95e; border-radius: 7px; background: linear-gradient(145deg,#fffef9,#f8fbff); text-align: center; }
.certificate-preview::before { position: absolute; inset: 12px; content: ""; border: 1px solid rgba(7,27,59,.12); pointer-events: none; }
.certificate-preview > img { width: 68px; height: 68px; margin: 0 auto 8px; border-radius: 50%; }
.certificate-eyebrow { margin: 0 0 13px; color: var(--cyan-strong); font-size: 14px; font-weight: 900; letter-spacing: .15em; }
.certificate-preview h2 { margin: 0 0 10px; color: var(--navy); font-family: Georgia,serif; font-size: clamp(23px,5vw,34px); }
.certificate-small { margin: 7px 0; color: var(--muted); font-size: 14px; }
.certificate-preview h3 { margin: 8px 0; color: #a35b18; font-family: Georgia,serif; font-size: 23px; }
.certificate-course { display: block; margin: 10px 0 14px; color: var(--navy); font-size: 14px; letter-spacing: .05em; }
.certificate-seal { display: inline-grid; width: 54px; height: 54px; place-items: center; border: 2px solid #d8ae69; border-radius: 50%; color: var(--navy); font-size: 14px; font-weight: 900; line-height: 1.1; }
.certificate-seal small { font-size: 14px; letter-spacing: .1em; }
.certificate-meta { display: flex; justify-content: space-between; gap: 10px; margin-top: 15px; color: var(--muted); font-size: 14px; }
@media print {
  body * { visibility: hidden !important; }
  .certificate-preview, .certificate-preview * { visibility: visible !important; }
  .certificate-preview { position: fixed; inset: 0; margin: 0; border-radius: 0; }
}
.toast-region { position: fixed; z-index: 120; right: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 8px; pointer-events: none; }
.toast { min-width: 230px; max-width: min(360px,calc(100vw - 36px)); padding: 12px 15px; border: 1px solid #dce9ee; border-radius: 12px; color: var(--navy); background: white; box-shadow: var(--shadow-lg); font-size: 14px; line-height: 1.5; animation: toast-in .25s ease both; }
.toast strong { display: block; margin-bottom: 3px; font-size: 14px; }
.toast.warn { border-color: #ffdfc9; }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 1080px) {
  .site-header { padding-inline: 22px; }
  .brand { min-width: 210px; }
  .main-nav { gap: 15px; }
  .header-actions { gap: 3px; }
  .install-button { font-size: 14px; }
  .hero-grid { gap: 25px; }
  .hero-art { min-height: 380px; }
  .hero-logo-shell { width: 210px; height: 210px; }
  .hero-orbit { width: 320px; height: 320px; }
  .hero-orbit-two { width: 370px; height: 370px; }
}
@media (max-width: 880px) {
  .site-header { min-height: 70px; }
  .mobile-menu-toggle { display: block; order: 3; }
  .brand { min-width: 0; }
  .main-nav { position: absolute; top: calc(100% + 1px); left: 0; right: 0; display: none; align-items: stretch; flex-direction: column; gap: 0; padding: 9px 22px 17px; border-bottom: 1px solid var(--line); background: white; box-shadow: 0 16px 24px rgba(7,27,59,.08); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 13px 6px; border-bottom: 1px solid #f1f4f7; }
  .main-nav a.active::after { display: none; }
  .header-actions { margin-left: auto; }
  .header-login { display: none; }
  .hero { padding-top: 60px; }
  .hero-grid { grid-template-columns: 1fr .82fr; }
  .hero-art { min-height: 330px; }
  .hero-logo-shell { width: 175px; height: 175px; }
  .hero-glow { width: 280px; height: 280px; }
  .hero-orbit { width: 265px; height: 265px; }
  .hero-orbit-two { width: 315px; height: 315px; }
  .float-card-one { top: 26px; left: -4px; }
  .float-card-two { right: -7px; bottom: 35px; }
  .float-card { padding: 9px 11px; }
  .feature-grid,.course-grid,.catalog-grid,.cert-grid,.project-card-grid { grid-template-columns: repeat(2,1fr); }
  .kids-hero-grid { grid-template-columns: 1fr; }
  .kids-art { min-height: 280px; order: -1; }
  .kids-art-core { width: 190px; height: 190px; }
  .kids-orbit { width: 280px; height: 280px; }
  .portal-shell { grid-template-columns: 185px minmax(0,1fr); gap: 15px; }
  .metric-grid { grid-template-columns: repeat(2,1fr); }
  .portal-content-grid { grid-template-columns: 1fr; }
  .portal-sidebar { top: 84px; }
}
@media (max-width: 640px) {
  .announcement-bar { min-height: 32px; font-size: 14px; }
  .announcement-bar a { display: none; }
  .site-header { padding: 8px 14px; gap: 9px; }
  .brand-mark { width: 39px; height: 39px; }
  .brand-copy strong { font-size: 14px; }
  .brand-copy small { font-size: 14px; }
  .header-portal { min-height: 36px; padding: 0 10px; font-size: 14px; }
  .install-button { padding: 7px 4px; font-size: 0; }
  .install-icon { font-size: 15px; }
  .mobile-menu-toggle { padding: 6px; }
  .container,.container-narrow { width: min(100% - 30px, 520px); }
  .section { padding: 59px 0; }
  .section-tight { padding: 44px 0; }
  .hero { padding: 48px 0 38px; }
  .hero-grid { grid-template-columns: 1fr; gap: 5px; }
  .hero-copy { padding: 0; }
  .hero-copy .display-title { max-width: 480px; font-size: clamp(39px, 12vw, 55px); }
  .hero-copy .lead { margin: 15px 0 18px; font-size: 17px; }
  .hero-actions { gap: 8px; }
  .hero-actions .button { min-height: 40px; padding-inline: 13px; font-size: 14px; }
  .hero-trust { gap: 9px; margin-top: 19px; font-size: 14px; }
  .hero-art { min-height: 285px; }
  .hero-glow { width: 250px; height: 250px; }
  .hero-logo-shell { width: 155px; height: 155px; }
  .hero-orbit { width: 245px; height: 245px; }
  .hero-orbit-two { width: 285px; height: 285px; }
  .float-card-one { top: 24px; left: 0; }
  .float-card-two { right: 0; bottom: 25px; }
  .float-card strong { font-size: 14px; }
  .float-card small { font-size: 14px; }
  .float-icon { width: 29px; height: 29px; font-size: 14px; }
  .promise-grid { grid-template-columns: 1fr; padding: 8px 0; }
  .promise-item { padding: 12px 3px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .promise-item:last-child { border-bottom: 0; }
  .section-head { align-items: start; flex-direction: column; margin-bottom: 22px; }
  .feature-grid,.course-grid,.catalog-grid,.cert-grid,.steps-grid,.project-card-grid { grid-template-columns: 1fr; }
  .catalog-toolbar { align-items: stretch; flex-direction: column; }
  .catalog-count { text-align: right; }
  .search-control { width: 100%; }
  .feature-card { min-height: 190px; }
  .course-art { min-height: 140px; }
  .section-title { font-size: 29px; }
  .banner-card { grid-template-columns: 1fr; padding: 26px 23px; }
  .banner-actions { flex-wrap: wrap; }
  .banner-actions .button { min-height: 39px; }
  .cta-strip { align-items: start; flex-direction: column; padding: 21px; }
  .page-hero { padding: 44px 0 31px; }
  .page-hero-grid { align-items: start; }
  .page-hero-badge { width: 71px; height: 71px; border-radius: 20px; }
  .page-hero-badge img { border-radius: 17px; }
  .page-hero-copy .display-title { font-size: 35px; }
  .page-hero-copy .section-copy { font-size: 16px; }
  .cert-process { grid-template-columns: repeat(2,1fr); }
  .kids-hero { padding: 46px 0; }
  .kids-hero-grid { gap: 15px; }
  .kids-art { min-height: 230px; }
  .kids-art-core { width: 160px; height: 160px; border-radius: 38px; }
  .kids-art-core strong { font-size: 17px; }
  .kids-orbit { width: 225px; height: 225px; }
  .lab-topbar { flex-wrap: wrap; }
  .lab-workspace { grid-template-columns: 125px minmax(0,1fr); }
  .lab-toolbox { padding: 12px 9px; }
  .block-chip { padding: 8px 7px; font-size: 14px; }
  .puzzle-block { min-width: 130px; font-size: 14px; }
  .editor-preview { grid-template-columns: 1fr; }
  .contact-grid,.about-grid,.faq-layout { grid-template-columns: 1fr; gap: 20px; }
  .about-logo-card { min-height: 220px; }
  .about-logo-card img { width: 190px; }
  .form-grid { grid-template-columns: 1fr; gap: 0; }
  .footer-top,.footer-links-row,.footer-bottom { align-items: flex-start; flex-direction: column; }
  .footer-brand { width: 190px; }
  .footer-links { gap: 12px 17px; }
  .portal-page { padding: 20px 0 45px; }
  .portal-shell { grid-template-columns: 1fr; }
  .portal-sidebar { position: static; padding: 10px; }
  .portal-user { padding-bottom: 10px; }
  .portal-sidebar .sidebar-label,.sidebar-bottom { display: none; }
  .portal-nav { display: grid; grid-template-columns: repeat(3,1fr); gap: 3px; margin-top: 8px; }
  .portal-nav button { justify-content: center; flex-direction: column; gap: 2px; min-height: 53px; padding: 5px 3px; font-size: 14px; text-align: center; }
  .portal-nav button.active { box-shadow: inset 0 -3px 0 var(--cyan-strong); }
  .nav-icon { font-size: 15px; }
  .portal-heading-row { align-items: start; flex-direction: column; gap: 11px; }
  .portal-heading-row h1 { font-size: 24px; }
  .portal-heading-actions { width: 100%; }
  .metric-grid { gap: 8px; }
  .metric-card { padding: 12px; }
  .metric-card strong { font-size: 19px; }
  .continue-card { grid-template-columns: 62px minmax(0,1fr); }
  .continue-thumb { width: 62px; height: 65px; font-size: 19px; }
  .continue-card > .button { grid-column: 1/-1; width: 100%; }
  .portal-courses-grid { grid-template-columns: 1fr; }
  .course-player { grid-template-columns: 1fr; }
  .lesson-sidebar { border-right: 0; border-bottom: 1px solid var(--line); }
  .lesson-sidebar .lesson-scroll { display: flex; overflow-x: auto; gap: 4px; }
  .lesson-item { min-width: 150px; }
  .lesson-content { padding: 16px; }
  .profile-grid { grid-template-columns: 1fr; }
  .support-shell { grid-template-columns: 1fr; }
  .support-list { display: flex; gap: 4px; overflow-x: auto; padding: 8px; border-right: 0; border-bottom: 1px solid var(--line); }
  .support-list h3 { display: none; }
  .support-contact { min-width: 158px; }
  .support-chat { min-height: 400px; }
  .admin-banner { align-items: start; padding: 19px; }
  .admin-banner h1 { font-size: 21px; }
  .admin-banner .admin-mark { width: 44px; height: 44px; border-radius: 13px; }
  .simple-table { min-width: 570px; }
  .table-scroll { overflow-x: auto; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}