@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@500;600;700&family=Poppins:wght@400;500;600;700;800;900&display=swap');

:root {
  color-scheme: light;
  --color-bg: #f4f8fb;
  --color-surface: rgba(255, 255, 255, .86);
  --color-surface-solid: #fff;
  --color-ink: #202020;
  --color-muted: #686868;
  --color-line: rgba(30, 30, 30, .10);
  --color-primary: #2f80ed;
  --color-primary-deep: #1d4ed8;
  --color-cyan: #00a6d6;
  --color-mint: #00c2a8;
  --gradient-brand: linear-gradient(135deg, var(--color-primary), var(--color-cyan) 55%, var(--color-mint));
  --shadow-card: 0 22px 60px rgba(32, 32, 32, .10);
  --shadow-brand: 0 32px 95px rgba(47, 128, 237, .20), 0 18px 60px rgba(0, 194, 168, .12);
  --radius-card: 30px;
  --radius-control: 18px;
  --radius-pill: 999px;
  --container: 1180px;
  --space-page: clamp(17px, 4vw, 34px);
  font-family: Poppins, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--color-bg); }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  color: var(--color-ink);
  background:
    radial-gradient(circle at 12% 10%, rgba(47, 128, 237, .18), transparent 28vw),
    radial-gradient(circle at 88% 12%, rgba(0, 166, 214, .16), transparent 26vw),
    radial-gradient(circle at 80% 78%, rgba(0, 194, 168, .13), transparent 32vw),
    linear-gradient(180deg, #f9fbff 0%, var(--color-bg) 52%, #fff 100%);
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(rgba(47,128,237,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(47,128,237,.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, #000, rgba(0,0,0,.2), transparent);
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.container { width: min(var(--container), calc(100% - (var(--space-page) * 2))); margin-inline: auto; }
.site-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--color-line);
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(18px) saturate(145%);
  box-shadow: 0 14px 40px rgba(32,32,32,.05);
}
.header-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 13px; }
.brand img { width: auto; height: 48px; object-fit: contain; }
.brand-copy strong { display: block; font-size: 12px; letter-spacing: .095em; text-transform: uppercase; }
.brand-copy small { display: block; color: var(--color-primary-deep); font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.badge { display: inline-flex; align-items: center; gap: 8px; width: fit-content; border: 1px solid rgba(47,128,237,.22); border-radius: var(--radius-pill); padding: 8px 12px; background: rgba(47,128,237,.12); color: var(--color-primary-deep); font-size: 12px; font-weight: 900; }
.badge--upcoming > span { width: 8px; height: 8px; border-radius: 50%; background: var(--color-mint); box-shadow: 0 0 0 6px rgba(0,194,168,.12); }
main { flex: 1; display: flex; }
.hero { width: 100%; display: flex; align-items: center; padding: clamp(60px, 9vw, 116px) 0; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(360px, .92fr); align-items: center; gap: clamp(44px, 8vw, 100px); }
.eyebrow { width: fit-content; margin: 0 0 22px; padding: 9px 14px; border: 1px solid rgba(47,128,237,.2); border-radius: var(--radius-pill); background: rgba(255,255,255,.75); color: var(--color-primary-deep); font-size: 12px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
h1 { margin: 0; font-family: Fredoka, Poppins, sans-serif; line-height: .92; letter-spacing: -.045em; }
h1 span { display: block; color: var(--color-ink); font-size: clamp(26px, 4vw, 49px); }
h1 strong { display: block; margin-top: 12px; color: transparent; background: var(--gradient-brand); background-clip: text; -webkit-background-clip: text; font-size: clamp(68px, 10vw, 128px); font-weight: 700; }
.hero-message { margin: 28px 0 6px; font-family: Fredoka, Poppins, sans-serif; font-size: clamp(27px, 3.2vw, 40px); font-weight: 600; letter-spacing: -.03em; }
.hero-description { max-width: 680px; margin: 0; color: var(--color-muted); font-size: clamp(16px, 1.8vw, 19px); line-height: 1.75; }
.status-card { display: flex; align-items: center; gap: 15px; max-width: 620px; margin-top: 32px; padding: 18px 20px; border: 1px solid var(--color-line); border-radius: var(--radius-control); background: var(--color-surface); box-shadow: 0 14px 34px rgba(32,32,32,.06); backdrop-filter: blur(12px); }
.status-icon { flex: 0 0 auto; width: 44px; height: 44px; display: grid; place-items: center; border-radius: 15px; background: var(--gradient-brand); color: white; box-shadow: 0 12px 26px rgba(47,128,237,.24); }
.status-card strong { font-size: 14px; }
.status-card p { margin: 3px 0 0; color: var(--color-muted); font-size: 13px; line-height: 1.5; }
.hero-visual { position: relative; min-height: 470px; display: grid; place-items: center; }
.hero-visual::before { content: ""; position: absolute; width: min(420px, 88%); aspect-ratio: 1; border-radius: 45% 55% 62% 38% / 45% 39% 61% 55%; background: linear-gradient(135deg, rgba(47,128,237,.18), rgba(0,194,168,.16)); animation: float 8s ease-in-out infinite alternate; }
.orbit { position: absolute; border: 1px solid rgba(47,128,237,.17); border-radius: 50%; }
.orbit--outer { width: 430px; max-width: 95%; aspect-ratio: 1; }
.orbit--inner { width: 330px; max-width: 74%; aspect-ratio: 1; border-style: dashed; }
.learning-card { position: relative; z-index: 2; width: min(390px, 88%); padding: clamp(26px, 5vw, 40px); border: 1px solid rgba(255,255,255,.85); border-radius: var(--radius-card); background: rgba(255,255,255,.88); box-shadow: var(--shadow-brand); backdrop-filter: blur(18px); transform: rotate(-2deg); }
.learning-card__top { display: flex; justify-content: space-between; align-items: center; gap: 14px; }
.learning-mark { width: 62px; height: 62px; display: grid; place-items: center; border-radius: 21px; background: var(--gradient-brand); color: white; font-family: Fredoka, sans-serif; font-size: 34px; font-weight: 700; box-shadow: 0 16px 32px rgba(47,128,237,.24); }
.learning-card > p { margin: 30px 0 8px; color: var(--color-primary-deep); font-size: 11px; font-weight: 900; letter-spacing: .12em; }
.learning-card h2 { margin: 0 0 30px; font-family: Fredoka, Poppins, sans-serif; font-size: clamp(30px, 4vw, 43px); line-height: 1; letter-spacing: -.035em; }
.progress-track { height: 10px; overflow: hidden; border-radius: var(--radius-pill); background: rgba(47,128,237,.12); }
.progress-track span { display: block; width: 68%; height: 100%; border-radius: inherit; background: var(--gradient-brand); }
.learning-points { display: flex; justify-content: space-between; gap: 8px; margin-top: 12px; color: var(--color-muted); font-size: 11px; font-weight: 800; }
.spark { position: absolute; z-index: 3; color: var(--color-primary); font-size: 32px; filter: drop-shadow(0 8px 10px rgba(47,128,237,.25)); }
.spark--one { top: 10%; right: 3%; }
.spark--two { bottom: 12%; left: 1%; color: var(--color-mint); font-size: 22px; }
.site-footer { border-top: 1px solid var(--color-line); background: rgba(255,255,255,.55); }
.footer-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 18px; color: var(--color-muted); font-size: 12px; font-weight: 600; }
@keyframes float { to { transform: translate3d(-25px, 30px, 0) rotate(8deg); } }
@media (max-width: 860px) {
  .hero { padding-top: 64px; }
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .eyebrow, .status-card { margin-inline: auto; }
  .hero-description { margin-inline: auto; }
  .status-card { text-align: left; }
  .hero-visual { min-height: 430px; }
}
@media (max-width: 520px) {
  .header-inner { min-height: 72px; }
  .brand img { height: 40px; }
  .brand-copy strong { font-size: 10px; }
  .brand-copy small { font-size: 10px; }
  .badge--upcoming { padding: 8px 10px; }
  .badge--upcoming > span { display: none; }
  .hero { padding-block: 48px; }
  .hero-grid { gap: 32px; }
  h1 strong { font-size: clamp(56px, 20vw, 84px); }
  .status-card { align-items: flex-start; padding: 16px; }
  .hero-visual { min-height: 360px; }
  .learning-card { transform: none; }
  .footer-inner { padding-block: 20px; flex-direction: column; justify-content: center; text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}