:root {
  --ink: #17152c;
  --muted: #716f84;
  --purple: #6b57f5;
  --purple-dark: #5543df;
  --blue: #4e8cff;
  --pale: #f5f3ff;
  --line: rgba(65, 54, 131, 0.12);
  --shadow: 0 28px 80px rgba(72, 57, 158, 0.16);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(circle at 80% 0%, rgba(124, 99, 255, 0.12), transparent 29rem),
    linear-gradient(180deg, #fbfaff 0%, #ffffff 42%, #f9f8ff 100%);
  font-family: "Noto Sans SC", system-ui, -apple-system, sans-serif;
  overflow-x: hidden;
}

button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: inherit; text-decoration: none; }

.ambient {
  position: fixed;
  z-index: -1;
  width: 28rem;
  height: 28rem;
  border-radius: 999px;
  filter: blur(2px);
  pointer-events: none;
}

.ambient-one { top: 9rem; right: -18rem; background: rgba(90, 78, 244, 0.08); }
.ambient-two { top: 49rem; left: -20rem; background: rgba(84, 148, 255, 0.08); }

.site-header,
main,
footer {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  height: 88px;
  display: flex;
  align-items: center;
  gap: 48px;
}

.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 800; }
.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: white;
  border-radius: 11px 11px 11px 5px;
  background: linear-gradient(135deg, #5e46ed, #739fff);
  box-shadow: 0 10px 22px rgba(102, 78, 240, 0.28);
}
.brand-name { font-size: 17px; letter-spacing: 0.01em; }
.brand-name b { margin-left: 3px; font-family: Manrope, sans-serif; font-size: 13px; color: #8b89a1; }

nav { display: flex; gap: 30px; margin-left: auto; }
nav a { color: #646176; font-size: 14px; font-weight: 600; transition: color .2s; }
nav a:hover { color: var(--purple); }

.privacy-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 13px;
  color: #4d4a62;
  background: rgba(255,255,255,.7);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  backdrop-filter: blur(12px);
}
.privacy-pill i { width: 7px; height: 7px; background: #55c69b; border-radius: 50%; box-shadow: 0 0 0 4px rgba(85,198,155,.13); }

.hero {
  min-height: 650px;
  padding: 78px 0 92px;
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  align-items: center;
  gap: 72px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  color: #716e89;
  font: 700 12px/1 Manrope, "Noto Sans SC", sans-serif;
  letter-spacing: .06em;
}
.eyebrow span { padding: 6px 8px; color: white; background: var(--purple); border-radius: 6px; font-size: 10px; }

h1 {
  margin: 0;
  font-size: clamp(45px, 5.1vw, 70px);
  line-height: 1.13;
  letter-spacing: -.045em;
}
h1 em {
  font-style: normal;
  color: transparent;
  background: linear-gradient(95deg, #654af1, #4d8ffa 70%);
  background-clip: text;
  -webkit-background-clip: text;
}
.lead { max-width: 550px; margin: 25px 0 0; color: var(--muted); font-size: 17px; line-height: 1.85; }

.feature-row { display: flex; flex-wrap: wrap; gap: 9px; margin: 24px 0 29px; }
.feature-row span { padding: 7px 12px; color: #615e78; background: #f2f0fb; border: 1px solid #e8e5f6; border-radius: 999px; font-size: 12px; }

.download-card {
  width: min(100%, 530px);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 15px 15px 12px 18px;
  background: rgba(255,255,255,.86);
  border: 1px solid rgba(79, 62, 177, .12);
  border-radius: 20px;
  box-shadow: 0 18px 60px rgba(65, 45, 152, .11);
  backdrop-filter: blur(18px);
}

.download-info { display: flex; align-items: center; gap: 12px; min-width: 0; }
.download-info > span:last-child { display: flex; flex-direction: column; gap: 3px; }
.download-info b { font-size: 14px; }
.download-info small { color: #8b889a; white-space: nowrap; font-size: 11px; }

.windows-icon { width: 34px; height: 34px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px; padding: 8px; background: #f0edff; border-radius: 10px; transform: skewY(-4deg); }
.windows-icon i { background: var(--purple); border-radius: 1px; }

.primary-button {
  min-height: 50px;
  padding: 0 20px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 9px;
  color: white;
  border: 0;
  border-radius: 13px;
  background: linear-gradient(120deg, var(--purple-dark), #6e63f6 55%, #568dfb);
  box-shadow: 0 12px 24px rgba(92, 71, 226, .27);
  cursor: pointer;
  font-weight: 700;
  transition: transform .2s, box-shadow .2s;
}
.primary-button:hover { transform: translateY(-2px); box-shadow: 0 16px 30px rgba(92, 71, 226, .34); }
.primary-button:active { transform: translateY(0); }
.primary-button svg { width: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.file-meta { grid-column: 1 / -1; display: flex; gap: 9px; align-items: center; color: #9996a9; font: 600 10px/1 Manrope, sans-serif; }
.file-meta i { width: 3px; height: 3px; border-radius: 50%; background: #cbc8da; }
.demo-note { margin: 10px 0 0 5px; color: #a09daf; font-size: 10px; }

.product-visual { position: relative; min-height: 430px; display: grid; place-items: center; perspective: 1000px; }
.orbit { position: absolute; border: 1px solid rgba(109, 87, 238, .13); border-radius: 50%; }
.orbit-a { width: 460px; height: 320px; transform: rotate(-16deg); }
.orbit-b { width: 350px; height: 440px; transform: rotate(36deg); }
.app-window {
  position: relative;
  z-index: 2;
  width: 460px;
  overflow: hidden;
  background: rgba(255,255,255,.92);
  border: 1px solid rgba(62, 49, 129, .13);
  border-radius: 22px;
  box-shadow: var(--shadow);
  transform: rotateY(-3deg) rotateX(1.5deg);
  backdrop-filter: blur(16px);
}
.window-bar { height: 48px; display: flex; justify-content: space-between; align-items: center; padding: 0 16px; border-bottom: 1px solid #efedf6; }
.window-brand { display: flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 700; }
.window-brand span { width: 21px; height: 21px; display: grid; place-items: center; color: white; background: var(--purple); border-radius: 6px; font-size: 10px; }
.window-controls { display: flex; gap: 10px; }
.window-controls i { width: 8px; height: 8px; border-radius: 50%; background: #dedbe9; }
.window-body { display: grid; grid-template-columns: 56px 1fr; min-height: 300px; }
.side-rail { padding: 16px 0; display: flex; flex-direction: column; align-items: center; gap: 20px; background: #f8f7fc; border-right: 1px solid #efedf6; }
.rail-logo { display: grid; place-items: center; width: 27px; height: 27px; color: white; background: linear-gradient(135deg, #5741e7, #7c9fff); border-radius: 8px; font: 800 12px/1 Manrope; }
.side-rail i { width: 16px; height: 5px; border-radius: 5px; background: #d9d6e8; }
.side-rail i.active { background: var(--purple); box-shadow: 0 0 0 6px rgba(107,87,245,.08); }
.workspace { padding: 25px; }
.workspace-title { display: flex; align-items: center; justify-content: space-between; }
.workspace-title span { font-weight: 800; font-size: 16px; }
.workspace-title small { color: #53ac8a; padding: 5px 8px; background: #edf9f5; border-radius: 999px; font-size: 9px; }
.drop-zone { margin-top: 20px; height: 190px; display: flex; flex-direction: column; align-items: center; justify-content: center; border: 1px dashed #beb7ec; border-radius: 16px; background: linear-gradient(150deg, #faf9ff, #f6f4ff); }
.upload-icon { width: 40px; height: 40px; display: grid; place-items: center; margin-bottom: 10px; color: var(--purple); background: #e9e5ff; border-radius: 12px; font-size: 22px; }
.drop-zone b { font-size: 12px; }
.drop-zone p { margin: 5px 0 12px; color: #9b98ab; font-size: 9px; }
.drop-zone button { padding: 7px 14px; color: white; background: var(--purple); border: 0; border-radius: 7px; font-size: 9px; }
.mini-stats { display: flex; justify-content: space-between; margin-top: 14px; color: #aaa7b6; font-size: 9px; }
.mini-stats span { display: flex; align-items: center; gap: 5px; }
.mini-stats i { width: 5px; height: 5px; background: #52c395; border-radius: 50%; }
.mini-stats b { color: #888598; font-weight: 500; }
.floating-chip { position: absolute; z-index: 3; display: flex; align-items: center; gap: 8px; padding: 11px 14px; background: rgba(255,255,255,.94); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 14px 35px rgba(54, 42, 117, .14); color: #777388; font-size: 10px; font-weight: 600; }
.floating-chip span { display: grid; place-items: center; min-width: 28px; height: 28px; padding: 0 6px; color: white; background: linear-gradient(135deg, #735ff7, #5793ff); border-radius: 8px; font: 800 9px/1 Manrope; }
.chip-one { top: 18px; right: -6px; }
.chip-two { bottom: 30px; left: -15px; }

.release-section { padding: 88px 0; border-top: 1px solid var(--line); }
.section-heading { max-width: 600px; margin-bottom: 40px; }
.section-heading > p, .backup-copy > p { margin: 0 0 12px; color: var(--purple); font: 800 11px/1 Manrope; letter-spacing: .14em; }
.section-heading h2, .backup-copy h2 { margin: 0 0 12px; font-size: clamp(31px, 4vw, 44px); line-height: 1.25; letter-spacing: -.035em; }
.section-heading > span, .backup-copy > span { color: var(--muted); font-size: 14px; }
.release-card { display: grid; grid-template-columns: .75fr 1.55fr; gap: 42px 70px; padding: 44px; background: rgba(255,255,255,.85); border: 1px solid var(--line); border-radius: 28px; box-shadow: 0 22px 65px rgba(70, 54, 151, .08); }
.version-column { display: flex; flex-direction: column; align-items: flex-start; }
.latest-tag { padding: 6px 9px; color: #5c49d8; background: #eeeafd; border-radius: 7px; font-size: 10px; font-weight: 700; }
.version-column strong { margin: 18px 0 8px; font: 800 36px/1 Manrope; }
.version-column time { color: #9793a6; font-size: 11px; }
.change-list { margin: 0; padding: 0; list-style: none; }
.change-list li { display: grid; grid-template-columns: 32px 1fr; gap: 14px; padding: 0 0 21px; }
.change-list li + li { padding-top: 21px; border-top: 1px solid #efedf5; }
.change-list li > span { color: #aaa6bf; font: 700 11px/1.7 Manrope; }
.change-list b { font-size: 14px; }
.change-list p { margin: 6px 0 0; color: #7e7b8e; font-size: 12px; line-height: 1.7; }
.text-button { grid-column: 2; width: max-content; padding: 0; color: var(--purple); background: none; border: 0; cursor: pointer; font-size: 12px; font-weight: 700; }
.text-button span { margin-left: 4px; }
.extra-notes { grid-column: 2; margin-top: -28px; padding: 15px 17px; color: #6f6b80; background: #f7f5ff; border-radius: 12px; font-size: 12px; line-height: 1.75; }
.extra-notes p { margin: 0; }

.backup-section { margin-bottom: 68px; padding: 54px; display: grid; grid-template-columns: 1fr 1.15fr; gap: 50px 80px; align-items: center; color: white; background: linear-gradient(120deg, #302566, #5744c4 52%, #4f84e8); border-radius: 32px; box-shadow: 0 28px 70px rgba(63, 45, 151, .23); overflow: hidden; position: relative; }
.backup-section::after { content: ""; position: absolute; width: 360px; height: 360px; right: -120px; top: -190px; border: 1px solid rgba(255,255,255,.17); border-radius: 50%; box-shadow: 0 0 0 60px rgba(255,255,255,.035), 0 0 0 120px rgba(255,255,255,.02); pointer-events: none; }
.backup-copy { position: relative; z-index: 1; }
.backup-copy > p { color: #bcb4ff; }
.backup-copy > span { color: rgba(255,255,255,.7); line-height: 1.7; }
.backup-actions { position: relative; z-index: 1; display: grid; gap: 12px; }
.secondary-button { min-height: 70px; padding: 12px 16px; display: flex; align-items: center; gap: 13px; color: #292344; background: rgba(255,255,255,.94); border: 1px solid rgba(255,255,255,.35); border-radius: 16px; cursor: pointer; text-align: left; transition: transform .2s, background .2s; }
.secondary-button:hover { transform: translateX(3px); background: white; }
.button-icon { width: 38px; height: 38px; display: grid; place-items: center; color: var(--purple); background: #eeebff; border-radius: 11px; font-weight: 800; }
.secondary-button > span:last-child { display: flex; flex-direction: column; gap: 3px; }
.secondary-button b { font-size: 13px; }
.secondary-button small { color: #8e899d; font-size: 10px; }
.safe-tip { grid-column: 1 / -1; display: flex; align-items: center; gap: 12px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.14); color: rgba(255,255,255,.7); font-size: 10px; line-height: 1.6; }
.safe-tip span { width: 26px; height: 26px; display: grid; place-items: center; flex: 0 0 auto; color: white; background: rgba(255,255,255,.15); border-radius: 50%; }
.safe-tip p { margin: 0; }
.safe-tip b { color: white; }

footer { min-height: 86px; display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; color: #9692a4; font-size: 11px; }
.mobile-download { display: none; }
.toast { position: fixed; z-index: 20; left: 50%; bottom: 30px; padding: 12px 18px; color: white; background: rgba(30, 25, 57, .94); border-radius: 12px; box-shadow: 0 14px 40px rgba(32, 24, 72, .3); font-size: 12px; opacity: 0; pointer-events: none; transform: translate(-50%, 14px); transition: opacity .25s, transform .25s; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 920px) {
  .site-header { height: 76px; }
  nav, .privacy-pill { display: none; }
  .hero { grid-template-columns: 1fr; gap: 58px; padding: 66px 0 88px; }
  .hero-copy { text-align: center; }
  .lead, .download-card { margin-inline: auto; }
  .feature-row { justify-content: center; }
  .product-visual { min-height: 380px; }
  .release-card { grid-template-columns: 1fr; gap: 35px; }
  .version-column { align-items: center; }
  .text-button, .extra-notes { grid-column: 1; }
  .backup-section { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .site-header, main, footer { width: min(100% - 30px, 1180px); }
  .site-header { height: 68px; }
  .brand-mark { width: 32px; height: 32px; }
  .hero { min-height: 0; padding: 47px 0 67px; gap: 48px; }
  h1 { font-size: clamp(41px, 13vw, 58px); }
  .lead { margin-top: 19px; font-size: 14px; line-height: 1.8; }
  .feature-row { margin: 19px 0 23px; }
  .download-card { grid-template-columns: 1fr; padding: 16px; text-align: left; }
  .download-card .primary-button { width: 100%; }
  .download-info { justify-content: center; }
  .file-meta { justify-content: center; }
  .demo-note { text-align: center; line-height: 1.5; }
  .product-visual { min-height: 310px; }
  .app-window { width: min(100%, 420px); }
  .window-body { grid-template-columns: 44px 1fr; min-height: 230px; }
  .workspace { padding: 18px; }
  .drop-zone { height: 145px; }
  .floating-chip { transform: scale(.88); }
  .chip-one { right: -13px; top: -20px; }
  .chip-two { left: -13px; bottom: 1px; }
  .orbit-a { width: 100%; height: 260px; }
  .orbit-b { width: 260px; height: 330px; }
  .release-section { padding: 70px 0; }
  .section-heading { text-align: center; }
  .section-heading h2, .backup-copy h2 { font-size: 31px; }
  .release-card { padding: 28px 22px; border-radius: 22px; }
  .change-list li { grid-template-columns: 28px 1fr; gap: 9px; }
  .backup-section { margin-bottom: 112px; padding: 36px 22px; gap: 33px; border-radius: 24px; text-align: center; }
  .secondary-button { text-align: left; }
  .safe-tip { text-align: left; }
  footer { padding-bottom: 120px; flex-direction: column; justify-content: flex-start; }
  .mobile-download { position: fixed; z-index: 15; left: 12px; right: 12px; bottom: 12px; display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 11px 11px 11px 16px; background: rgba(255,255,255,.92); border: 1px solid var(--line); border-radius: 17px; box-shadow: 0 18px 50px rgba(49, 37, 107, .24); backdrop-filter: blur(18px); }
  .mobile-download > span { display: flex; flex-direction: column; gap: 2px; }
  .mobile-download b { font-size: 12px; }
  .mobile-download small { color: #9995a6; font-size: 9px; }
  .mobile-download .primary-button { min-height: 43px; padding: 0 16px; font-size: 12px; }
  .toast { bottom: 85px; width: max-content; max-width: calc(100% - 32px); text-align: center; }
}

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