/* Native CSS; reference-led redesign, variance 8 / motion 2 / density 3. */
:root {
  color-scheme: light dark;
  --ink: #38203f;
  --muted: #604c67;
  --accent: #66347e;
  --paper: #fff8ff;
  --surface: #f5e9f7;
  --line: #e3d5e7;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
a:focus-visible, button:focus-visible { outline: 3px solid currentColor; outline-offset: 6px; }
img { max-width: 100%; }
.h5-shell { width: 100%; overflow: clip; }
.content { width: min(1240px, calc(100% - 96px)); margin-inline: auto; }
.brand-scene { position: relative; background: linear-gradient(180deg, #e8b5cc 0%, #e1badf 38%, #dfc6ed 70%, #e6d4f3 100%); }
.hero { position: relative; padding-inline: 48px; }
.site-header { position: relative; z-index: 4; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; width: min(1360px, 100%); height: 80px; margin-inline: auto; color: #38203f; }
.site-header nav { display: flex; gap: 28px; font-size: 14px; }
.site-header nav a, .header-cta { padding-block: 10px; }
.site-header nav a:hover, .header-cta:hover { text-decoration: underline; text-underline-offset: 6px; }
.brand { display: inline-flex; align-items: center; gap: 9px; white-space: nowrap; }
.brand strong { font-size: 23px; font-weight: 650; letter-spacing: -.04em; }
.brand-logo { width: 28px; height: 28px; object-fit: contain; }
.header-cta { justify-self: end; font-size: 14px; white-space: nowrap; }
.header-cta span { margin-left: 8px; }
.hero-stage { position: relative; width: min(1360px, 100%); height: 710px; margin-inline: auto; }
.orbit-outline { position: absolute; top: -105px; left: 28%; width: 750px; height: 750px; border: 1px solid rgb(56 32 63 / .13); border-radius: 50%; pointer-events: none; }
.hero-copy { position: relative; z-index: 2; width: 48%; padding-top: 84px; }
.eyebrow { margin: 0 0 26px; color: #38203f; font-family: ui-monospace, monospace; font-size: 12px; letter-spacing: .06em; }
.hero h1 { margin: 0; color: #38203f; font-size: clamp(72px, 7.4vw, 112px); line-height: 1.12; font-weight: 400; letter-spacing: -.06em; }
.hero h1 span { display: block; white-space: nowrap; }
.lead { margin: 30px 0 0; color: #38203f; font-size: 17px; line-height: 1.85; }
.hero-portrait { position: absolute; z-index: 1; left: 33%; bottom: 0; width: 57%; height: 102%; object-fit: contain; object-position: center bottom; mask-image: linear-gradient(#000 76%, transparent 100%); }
.hero-note { position: absolute; z-index: 2; top: 160px; right: 1%; margin: 0; color: #38203f; font-size: 27px; line-height: 1.5; font-weight: 400; }
.hero-button { position: absolute; z-index: 3; left: 52%; bottom: 24px; width: 138px; height: 138px; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 10px; border-radius: 50%; background: #fff; color: #38203f; font-size: 16px; font-weight: 650; transition: transform .2s ease; }
.hero-button span { font-size: 28px; line-height: 1; font-weight: 400; }
.hero-button:hover { transform: rotate(-8deg); }
.hero-button:active { transform: scale(.97); }
.intro { position: relative; overflow: clip; padding: 44px 48px 60px; }
.intro h2 { position: relative; z-index: 1; margin: 0; color: #38203f; text-align: center; font-size: 36px; line-height: 1.4; font-weight: 500; letter-spacing: -.04em; }
.intro-orbit { position: absolute; top: 90px; left: 50%; width: 1100px; height: 550px; transform: translateX(-50%); border: 1px solid rgb(56 32 63 / .13); border-radius: 50%; pointer-events: none; }
.feature-orbits { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); align-items: start; gap: 20px; width: min(1240px, 100%); min-height: 310px; margin: 36px auto 0; }
.feature-bubble { --bubble-size: 150px; --bubble-drop: 44px; display: flex; flex-direction: column; align-items: center; justify-content: center; justify-self: center; gap: 12px; width: min(100%, var(--bubble-size)); aspect-ratio: 1; margin-top: var(--bubble-drop); padding: 12px; border: 1px solid rgb(56 32 63 / .08); border-radius: 50%; background: #fff6ff; color: #38203f; font-size: clamp(16px, 1.7vw, 22px); font-weight: 550; white-space: nowrap; box-shadow: 0 12px 28px rgb(56 32 63 / .04); transition: transform .2s ease; }
.feature-bubble span { font-size: 28px; line-height: 1; font-weight: 400; }
.feature-bubble:nth-child(2) { --bubble-size: 165px; --bubble-drop: 118px; background: #edc8de; }
.feature-bubble:nth-child(3) { --bubble-size: 190px; --bubble-drop: 0px; background: #66347e; color: #fff8ff; }
.feature-bubble:nth-child(4) { --bubble-drop: 120px; background: #f1d7ee; }
.feature-bubble:nth-child(5) { --bubble-size: 170px; --bubble-drop: 34px; background: #cda8dc; }
.feature-bubble:nth-child(6) { --bubble-drop: 104px; }
.feature-bubble:hover { transform: translateY(-6px); }
.feature-bubble:active { transform: translateY(-2px) scale(.98); }
.features { padding-block: 72px 48px; }
.section-title, .center-title { margin-bottom: 56px; }
.section-title h2, .center-title h2, .download h2 { margin: 0; font-size: clamp(32px, 3.5vw, 48px); line-height: 1.35; letter-spacing: -.045em; font-weight: 500; }
.section-title p, .center-title p { margin: 16px 0 0; color: var(--muted); font-size: 16px; line-height: 1.8; }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 80px; row-gap: 16px; }
.feature-card { min-width: 0; padding-block: 24px; border-top: 1px solid var(--line); }
.feature-card h3 { margin: 0 0 12px; font-size: 22px; font-weight: 550; }
.feature-card p { max-width: 440px; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.8; }
footer { width: min(1240px, calc(100% - 96px)); margin-inline: auto; padding: 36px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; line-height: 1.8; }
footer strong { display: block; margin-bottom: 14px; color: var(--ink); font-size: 18px; }
footer p { margin: 4px 0; }
.footer-contact { margin-top: 24px; color: var(--ink); font-size: 14px; }
.footer-contact h2 { margin: 0 0 8px; font-size: 18px; font-weight: 550; }
.footer-contact a { display: inline-block; padding-block: 4px; text-decoration: underline; text-underline-offset: 4px; }
.footer-legal { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--line); }
@media (prefers-color-scheme: dark) {
  :root { --ink: #f4e8f8; --muted: #c6b3cc; --accent: #efc4ff; --paper: #201624; --surface: #34233b; --line: #503758; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}
